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data-fn=\"5e967ae8-7f43-4b43-aae9-158b9ed13020\" class=\"fn\"><a id=\"5e967ae8-7f43-4b43-aae9-158b9ed13020-link\" href=\"#5e967ae8-7f43-4b43-aae9-158b9ed13020\">1<\/a><\/sup><sup> <\/sup> \u3068\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u7d44\u7e54\u306b\u3068\u3063\u3066\u306e\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u308a\u5e83\u3044\u610f\u5473\u3067\u306f\u3001\u300eComputer Security: Principles and Practice\u300f\u306b\u304a\u3044\u3066\u6b21\u306e\u3088\u3046\u306b\u8ff0\u3079\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u2026\u3059\u3079\u3066\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306f\u3001\u7279\u5b9a\u306e\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306b\u8ab0\u304c\u307e\u305f\u306f\u4f55\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304b\u3001\u307e\u305f\u5404\u4e8b\u4f8b\u3067\u8a31\u53ef\u3055\u308c\u308b\u30a2\u30af\u30bb\u30b9\u306e\u7a2e\u985e\u3092\u6307\u5b9a\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u3092\u5b9f\u65bd\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002\u300d<sup data-fn=\"ee738074-e6cb-4d66-86e4-9c812e731451\" class=\"fn\"><a id=\"ee738074-e6cb-4d66-86e4-9c812e731451-link\" href=\"#ee738074-e6cb-4d66-86e4-9c812e731451\">2<\/a><\/sup><\/p>\n\n\n\n<p><br>\u3053\u306e\u610f\u5473\u3067\u306f\u3001MPU\u306f\u4e00\u822c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u7279\u306b\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\uff08\u81ea\u52d5\u8eca\u3092\u542b\u3080\uff09\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u9632\u5fa1\u7b56\u306e1\u3064\u3067\u3059\u3002\u3042\u308b\u7814\u7a76\u300eFrom MMU to MPU: adaptation of the Pip kernel to constrained devices\uff08MMU\u304b\u3089MPU\u3078:\u62d8\u675f\u30c7\u30d0\u30a4\u30b9\u3078\u306ePip\u30ab\u30fc\u30cd\u30eb\u306e\u9069\u5fdc\uff09\u300f<sup data-fn=\"e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9\" class=\"fn\"><a id=\"e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9-link\" href=\"#e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9\">3<\/a><\/sup> \u3067\u306f\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067MPU\u3092\u6709\u52b9\u5316\u3059\u308b\u3068\u3001\u6027\u80fd\u3068\u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u306e\u4e21\u9762\u306716%\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3059\u308b\u3082\u306e\u306e\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30e1\u30e2\u30ea\u306e\u30a2\u30bf\u30c3\u30af\u30b5\u30fc\u30d5\u30a7\u30b9\u304c100%\u304b\u3089\u308f\u305a\u304b2%\uff01\u306b\u524a\u6e1b\u3067\u304d\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059<sup data-fn=\"afe95000-b983-4bce-aaf1-beabe465b09d\" class=\"fn\"><a id=\"afe95000-b983-4bce-aaf1-beabe465b09d-link\" href=\"#afe95000-b983-4bce-aaf1-beabe465b09d\">4<\/a><\/sup>\u3002<\/p>\n\n\n\n<p>\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u30e1\u30e2\u30ea\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a66\u307f\u308b\u3068\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d5\u30a9\u30eb\u30c8\u304c\u767a\u751f\u3057\u3001\u6f5c\u5728\u7684\u306a\u653b\u6483\u3092\u5b9f\u8cea\u7684\u306b\u505c\u6b62\u3057\u3001\u4e0d\u6b63\u306a\u30a2\u30af\u30bb\u30b9\u3092\u3001\u4f8b\u3048\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u653b\u6483\u8005\u3092\u300c\u632f\u308a\u6255\u3046\u300d\u3088\u3046\u306a\u5f62\u3067\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>MPU\u3092\u6709\u52b9\u5316\u3059\u308b\u3068\u3001\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u30e1\u30e2\u30ea\uff08RAM\uff09\u4e0a\u3067\u306e\u5b9f\u884c\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u305f\u3068\u3048\u653b\u6483\u306e\u7b2c\u4e00\u6bb5\u968e\u3068\u3057\u3066\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306eECU\u30b9\u30bf\u30c3\u30af\u30e1\u30e2\u30ea\u306b\u30b9\u30bf\u30c3\u30af\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u3066\u60aa\u610f\u3042\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u306b\u6210\u529f\u3057\u3066\u3082\u3001MPU\u306e\u4fdd\u8b77\u306b\u3088\u308a\u305d\u306e\u30b3\u30fc\u30c9\u3092\u30b9\u30bf\u30c3\u30af\u30e1\u30e2\u30ea\u9818\u57df\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u81ea\u52d5\u8eca\u306e\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8<\/h2>\n\n\n\n<p>\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08MPU\uff09\u306f\u3001\u81ea\u52d5\u8eca\u696d\u754c\u306b\u304a\u3044\u3066\u3001\u8eca\u4e21\u5185\u306e\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u4fe1\u983c\u6027\u3001\u5b89\u5168\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u305d\u306e\u5f79\u5272\u306e\u6982\u8981\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316<br>MPU\u306f\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5b9f\u88c5\u30fb\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u30c7\u30fc\u30bf\u306e\u7834\u640d\u3001\u610f\u56f3\u3057\u306a\u3044\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3092\u9632\u304e\u3001\u5916\u90e8\u304b\u3089\u306e\u8105\u5a01\u304b\u3089\u91cd\u8981\u306a\u60c5\u5831\u3084\u6a5f\u80fd\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u53b3\u683c\u306a\u9069\u7528<br>MPU\u306f\u7570\u306a\u308b\u7279\u6a29\u30ec\u30d9\u30eb\u3092\u533a\u5225\u3057\u3001\u4e8b\u524d\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30dd\u30ea\u30b7\u30fc\u3092\u53b3\u683c\u306b\u9069\u7528\u304c\u3067\u304d\u307e\u3059\u3002<br>\u81ea\u52d5\u8eca\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb\uff08HSM\uff09\u3001\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u30d7\u30ed\u30bb\u30b9\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3001\u7570\u306a\u308b\u7279\u6a29\u30ec\u30d9\u30eb\u3092\u6301\u3064\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001HSM\u30e1\u30e2\u30ea\u3078\u306e\u4e0d\u6b63\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u6a5f\u80fd\u306f\u3001\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u8005\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u5b89\u5168\u6027\u306e\u5411\u4e0a<br>MPU\u306f\u30e1\u30e2\u30ea\u4fdd\u8b77\u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3057\u3001\u91cd\u8981\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u3092\u652f\u63f4\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30e9\u30fc\u3084\u60aa\u610f\u306e\u3042\u308b\u5e72\u6e09\u304c\u8eca\u4e21\u306e\u5b89\u5168\u3092\u640d\u306a\u3046\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5206\u96e2<br>MPU\u306f\u3001\u8eca\u4e21\u5185\u306e\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u7570\u306a\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5206\u96e2\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5c02\u7528\u306e\u4fdd\u8b77\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u306e\u5e72\u6e09\u3084\u30c7\u30fc\u30bf\u7834\u640d\u3092\u9632\u304e\u307e\u3059\u3002\u3053\u306e\u5206\u96e2\u306f\u3001\u91cd\u8981\u306a\u6a5f\u80fd\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3057\u30011\u3064\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u653b\u6483\u304c\u540c\u4e00\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u4ed6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/li>\n\n\n\n<li>MPU\u306f\u3001\u30b3\u30a2\u3001DMA\uff08Direct Memory Access\uff09\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001CAN\u3001USB\u3001GPU\u306a\u3069\u306e\u30b3\u30a2\uff0d\u5916\u90e8\u306e\u30da\u30ea\u30d5\u30a7\u30e9\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306a\u3069\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30d0\u30b9\u30fb\u30de\u30b9\u30bf\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u7ba1\u7406\u3057\u3001\u5b89\u5168\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d0\u30b9\u30fb\u30de\u30b9\u30bf\u306b\u304a\u3044\u3066MPU\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u5b8c\u5168\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u8a3c\u3059\u308b\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001MPU\u306f\u7570\u306a\u308b\u30d0\u30b9\u30fb\u30de\u30b9\u30bf\u306e\u5206\u96e2\u3092\u53ef\u80fd\u306b\u3057\u3001\u5171\u6709\u30e1\u30e2\u30ea\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u304a\u3051\u308b\u610f\u56f3\u3057\u306a\u3044\u5e72\u6e09\u3084\u6f5c\u5728\u7684\u306a\u7af6\u5408\u3092\u9632\u304e\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30a2\u304c\u30e1\u30e2\u30ea\u8cc7\u6e90\u306b\u540c\u6642\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30de\u30eb\u30c1\u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u7279\u306b\u91cd\u8981\u3067\u3059\u3002MPU\u306f\u3001\u5b89\u5168\u304b\u3064\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u5883\u754c\u306e\u78ba\u7acb\u306b\u8ca2\u732e\u3057\u3001\u5404\u30d0\u30b9\u30fb\u30de\u30b9\u30bf\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30e1\u30e2\u30ea\u7a7a\u9593\u5185\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002MPU\u306f\u3001\u4e0d\u6b63\u307e\u305f\u306f\u60aa\u610f\u306e\u3042\u308b\u884c\u70ba\u304b\u3089\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u65bd\u3057\u3001\u9ad8\u901f\u306a\u30b3\u30a2\u5916\u8ee2\u9001\u4e2d\u306e\u30c7\u30fc\u30bf\u306e\u6a5f\u5bc6\u6027\u3068\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">MPU\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p>\u3059\u3079\u3066\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08MPU\uff09\u304c\u540c\u3058\u8a2d\u8a08\u3067\u4f5c\u3089\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u3063\u3066\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4ee5\u4e0b\u306e\u4f8b\u306e\u30d6\u30ed\u30c3\u30af\u56f3\u306b\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u4e00\u822c\u7684\u306b\u6b21\u306e3\u3064\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"612\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-7-1024x612.png\" alt=\"\" class=\"wp-image-11424\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-7-1024x612.png 1024w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-7-300x179.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-7-768x459.png 768w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-7.png 1034w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Source: PlaxidityX&nbsp;<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30b3\u30a2MPU\uff08CMPU\uff09<\/strong><\/h2>\n\n\n\n<p>CMPU\uff08Core MPU\u307e\u305f\u306fCPU MPU\u3068\u3082\u547c\u3070\u308c\u308b\uff09\u306f\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u5404\u30b3\u30a2\u306b\u76f4\u63a5\u7d71\u5408\u3055\u308c\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\u3067\u3059\u3002\u30b3\u30a2\u30ec\u30d9\u30eb\u3067\u52d5\u4f5c\u3057\u3001\u7d30\u304b\u3044\u30e1\u30e2\u30ea\u4fdd\u8b77\u304a\u3088\u3073\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002CMPU\u306f\u3001\u30b3\u30a2\u81ea\u8eab\u304c\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u30dd\u30ea\u30b7\u30fc\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u8907\u6570\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3054\u3068\u306b\u30a2\u30af\u30bb\u30b9\u6a29\u9650\uff08\u8aad\u307f\u53d6\u308a\u3001\u66f8\u304d\u8fbc\u307f\u3001\u5b9f\u884c\uff09\u3084\u7279\u6a29\u30ec\u30d9\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002CMPU\u306f\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u5404\u30b3\u30a2\u3067\u5b9f\u884c\u3055\u308c\u308b\u500b\u3005\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30b7\u30b9\u30c6\u30e0MPU\uff08SMPU\uff09<\/strong><\/h2>\n\n\n\n<p>SMPU\uff08System MPU\u3068\u3082\u547c\u3070\u308c\u308b\uff09\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\u3067\u3059\u3002\u30b3\u30a2\u306e\u8996\u70b9\u3067\u4fdd\u8b77\u3092\u63d0\u4f9b\u3059\u308bCMPU\u3068\u306f\u7570\u306a\u308a\u3001SMPU\u306f\u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u3067\u52d5\u4f5c\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<sup data-fn=\"64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5\" class=\"fn\"><a id=\"64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5-link\" href=\"#64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5\">5<\/a><\/sup>\u3092\u5bfe\u8c61\u3068\u3057\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002CMPU\u304c\u30b3\u30a2\u3067\u5b9f\u884c\u3055\u308c\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b3\u30fc\u30c9\u304b\u3089\u767a\u751f\u3059\u308b\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u76e3\u8996\u30fb\u5236\u5fa1\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001SMPU\u306f\u30c0\u30a4\u30ec\u30af\u30c8\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09\u3084HSM\u306a\u3069\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u95a2\u9023\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u542b\u3080\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002SMPU\u306e\u30a2\u30c9\u30ec\u30b9\u9818\u57df\u306f\u901a\u5e38\u3001\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u767a\u4fe1\u5143\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001SMPU\u306fHSM\u306b\u5171\u6709\u30e1\u30e2\u30ea\u5185\u306e\u7279\u5b9a\u306e\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u308b\u4e00\u65b9\u3001\u4ed6\u306e\u767a\u4fe1\u5143\u304b\u3089\u306e\u3059\u3079\u3066\u306e\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5468\u8fba\u6a5f\u80fd\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08PPU\uff09<\/strong><\/h2>\n\n\n\n<p>PPU\uff08Peripheral MPU\u3068\u3082\u547c\u3070\u308c\u308b\uff09\u306f\u3001\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u30c9\u30ec\u30b8\u30b9\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u7279\u5316\u3055\u308c\u305f\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\u3067\u3059\u3002PPU\u306f\u3001\u901a\u4fe1\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u30bf\u30a4\u30de\u30fc\u3001I\/O\u30dd\u30fc\u30c8\u306a\u3069\u306e\u5468\u8fba\u6a5f\u5668\u306b\u7279\u5316\u3057\u305f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30bb\u30c3\u30b5\u30b3\u30a2\u3084\u5916\u90e8\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u306b\u3088\u3063\u3066\u958b\u59cb\u3055\u308c\u308b\u5468\u8fba\u6a5f\u5668\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3057\u3001\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3084\u5236\u9650\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002PPU\u306f\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u5468\u8fba\u6a5f\u5668\u3078\u306e\u4e0d\u6b63\u307e\u305f\u306f\u60aa\u610f\u306e\u3042\u308b\u30a2\u30af\u30bb\u30b9\u3092\u9632\u304e\u3001\u5468\u8fba\u6a5f\u5668\u3068\u306e\u3084\u308a\u53d6\u308a\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CVE-2023-48010\u3068CVE-2024-33882<\/h2>\n\n\n\n<p>\u6ce8\u610f\u6df1\u304f\u8a2d\u5b9a\u3055\u308c\u305f\u30e1\u30e2\u30ea\u30fc\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\u306f\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u5f37\u529b\u306a\u5bfe\u6297\u624b\u6bb5\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u300c\u9396\u306f\u305d\u306e\u6700\u3082\u5f31\u3044\u90e8\u5206\u3068\u540c\u3058\u5f37\u3055\u3057\u304b\u306a\u3044\u300d\u3068\u3044\u3046\u6c7a\u307e\u308a\u6587\u53e5\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u653b\u6483\u8005\u304c\u5b8c\u74a7\u306b\u8a2d\u5b9a\u3055\u308c\u305fMPU\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u5f53\u7136\u306a\u304c\u3089MPU\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u30892\u3064\u306e\u8106\u5f31\u6027\u3001CVE-2023-48010\u3068CVE-2024-33882\u306f\u3001\u3044\u305a\u308c\u3082PowerPC\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u7279\u5b9a\u306e\u8a2d\u8a08\u306b\u95a2\u9023\u3059\u308b\u3001\u6211\u3005\u304c\u767a\u898b\u3057\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8106\u5f31\u6027\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306f\u3001\u7279\u6a29\u3092\u6301\u3064\u653b\u6483\u8005\u304cSMPU\uff08\u30b7\u30b9\u30c6\u30e0\u30fb\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff09\u5168\u4f53\u3092\u505c\u6b62\u3055\u305b\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3001\u305d\u306e\u7d50\u679c\u3001\u4fdd\u8b77\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u3078\u306e\u8aad\u307f\u66f8\u304d\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002PowerPC\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u3088\u308c\u3070\u3001\u3042\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u6a5f\u80fd\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304cSMPU\u3092\u7121\u52b9\u5316\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001\u521d\u671f\u8a2d\u5b9a\u5f8c\u3082SMPU\u304c\u6709\u52b9\u306a\u72b6\u614b\u306b\u4fdd\u305f\u308c\u308b\u306f\u305a\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u3053\u306e\u6a5f\u80fd\u306f\u30b7\u30ea\u30b3\u30f3\u306b\u5b9f\u88c5\u3055\u308c\u3066\u304a\u3089\u305a\u3001SMPU\u306f\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306a\u307e\u307e\u3067\u3042\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u7d50\u679c\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8a2d\u8a08\u8005\u306f\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a73\u8ff0\u3055\u308c\u3066\u3044\u308b\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u3067\u3001\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306a\u5370\u8c61\u3092\u62b1\u3044\u305f\u307e\u307e\u3001\u5b9f\u969b\u306b\u306f\u4fdd\u8b77\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3053\u3068\u306b\u307e\u3063\u305f\u304f\u6c17\u3065\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u80cc\u666f\uff1aPowerPC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/p>\n\n\n\n<p>\u6700\u521d\u306ePowerPC\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u30011990\u5e74\u4ee3\u534a\u3070\u306b\u30e2\u30c8\u30ed\u30fc\u30e9\uff08\u5f8c\u306eFreescale Semiconductor\uff09\u306b\u3088\u3063\u3066\u88fd\u9020\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306fMPC5xx\u30b7\u30ea\u30fc\u30ba\u3068\u3057\u3066\u77e5\u3089\u308c\u3001PowerPC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u3001\u81ea\u52d5\u8eca\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u542b\u3080\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u5e02\u5834\u306b\u9032\u51fa\u3057\u305f\u6700\u521d\u306e\u4f8b\u3068\u306a\u308a\u307e\u3057\u305f\u3002MPC5xx\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u8d77\u6e90\u306f\u30011990\u5e74\u4ee3\u521d\u982d\u306bIBM\u3001Apple\u3001\u30e2\u30c8\u30ed\u30fc\u30e9\u304c\u5171\u540c\u3067\u9032\u3081\u305f\u53d6\u308a\u7d44\u307f\u306b\u307e\u3067\u3055\u304b\u306e\u307c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>RISC\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u9ad8\u3044\u6027\u80fd\u3068\u52b9\u7387\u3092\u517c\u306d\u5099\u3048\u305fPowerPC\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u30011990\u5e74\u4ee3\u5f8c\u534a\u306b\u306f\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u306b\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u5f53\u521d\u306f\u30a8\u30f3\u30b8\u30f3\u5236\u5fa1\u3084\u30c8\u30e9\u30f3\u30b9\u30df\u30c3\u30b7\u30e7\u30f3\u5236\u5fa1\u3068\u3044\u3063\u305f\u30bf\u30b9\u30af\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u80fd\u529b\u3068\u904e\u9177\u306a\u74b0\u5883\u4e0b\u3067\u306e\u8010\u4e45\u6027\u306b\u3088\u308a\u3001\u30a4\u30f3\u30d5\u30a9\u30c6\u30a4\u30f3\u30e1\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0\u3084\u5148\u9032\u904b\u8ee2\u652f\u63f4\u30b7\u30b9\u30c6\u30e0\uff08ADAS\uff09\u306a\u3069\u3001\u5e45\u5e83\u3044\u7528\u9014\u306b\u3068\u3063\u3066\u6b20\u304b\u305b\u306a\u3044\u5b58\u5728\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>2000\u5e74\u4ee3\u534a\u3070\u306b\u306f\u3001STMicroelectronics\u3068Freescale Semiconductor\uff08\u73fe\u5728\u306eNXP Semiconductors\uff09\u304c\u5171\u540c\u958b\u767a\u3057\u305fPowerPC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u57fa\u3065\u304fMPC56xx\/SPC56x\u30d5\u30a1\u30df\u30ea\u30fc\u304c\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306f\u7279\u306b\u81ea\u52d5\u8eca\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<sup data-fn=\"2d1eb825-176d-470a-b822-28e9f8baa647\" class=\"fn\"><a id=\"2d1eb825-176d-470a-b822-28e9f8baa647-link\" href=\"#2d1eb825-176d-470a-b822-28e9f8baa647\">6<\/a><\/sup><br>\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u4e21\u30e1\u30fc\u30ab\u30fc\u9593\u3067\u30d4\u30f3\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u307b\u307c\u540c\u4e00\u306e\u4ed5\u69d8\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8106\u5f31\u6027<\/h2>\n\n\n\n<p><strong>(1) CVE-2023-48010<\/strong><\/p>\n\n\n\n<p>PlaxidityX\uff08\u65e7\u30a2\u30eb\u30ac\u30b9\uff09\u3067\u306f\u3001\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u306b\u52a0\u3048\u3066\u3001\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u304a\u3088\u3073\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u8a08\u3068\u958b\u767a\u3082\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u5c06\u6765\u306e\u88fd\u54c1\u306b\u5411\u3051\u305f\u6982\u5ff5\u5b9f\u8a3c\uff08PoC\uff09\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u63a1\u7528\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u884c\u3046\u8a55\u4fa1\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u3053\u306ePoC\u306fSTMicroelectronics\u306ePowerPC SPC58N\u30d5\u30a1\u30df\u30ea\u30fc\u306e\u30de\u30a4\u30af\u30ed\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u57fa\u306b\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002\u4e0a\u8ff0\u306e\u901a\u308a\u3001\u3053\u308c\u3089\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306f\u7279\u306b\u81ea\u52d5\u8eca\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>SPC58N\u306f\u3001\u81ea\u52d5\u8eca\u306eASIL-D<sup data-fn=\"2bb41b50-9583-4944-8cda-ce9d4ba2319f\" class=\"fn\"><a id=\"2bb41b50-9583-4944-8cda-ce9d4ba2319f-link\" href=\"#2bb41b50-9583-4944-8cda-ce9d4ba2319f\">7<\/a><\/sup>, \u898f\u683c\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u30c8\u30ea\u30d7\u30eb\u30b3\u30a2\u306e32\u30d3\u30c3\u30c8\u300cPower\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u300d<sup data-fn=\"b975bd35-a68a-4163-8b01-31d89472af01\" class=\"fn\"><a id=\"b975bd35-a68a-4163-8b01-31d89472af01-link\" href=\"#b975bd35-a68a-4163-8b01-31d89472af01\">8<\/a><\/sup> \u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001\u3053\u306e\u30c1\u30c3\u30d7\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304b\u3089\u5f15\u7528\u3057\u305f\u30d6\u30ed\u30c3\u30af\u56f3\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"872\" height=\"808\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-6.png\" alt=\"\" class=\"wp-image-11421\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-6.png 872w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-6-300x278.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-6-768x712.png 768w\" sizes=\"(max-width: 872px) 100vw, 872px\" \/><figcaption class=\"wp-element-caption\">Source: SPC58xx Datasheet, DS12304 Rev 5, p. 10<\/figcaption><\/figure>\n\n\n\n<p>\u56f3\u306e\u4e0b\u90e8\u306b\u306f\u3001\u30c1\u30c3\u30d7\u306e\u30e1\u30e2\u30ea\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u3068EEPROM\u306f\u30b0\u30ec\u30fc\u3067\u3001\u30b9\u30bf\u30c6\u30a3\u30c3\u30afRAM\u306f\u9752\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e1\u30e2\u30ea\u306f\u5b9a\u7fa9\u4e0a\u3001\u3059\u3079\u3066\u306e\u30b3\u30a2\u304a\u3088\u3073\u5468\u8fba\u6a5f\u5668\u304b\u3089\u5171\u901a\u3057\u3066\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3067\u3059\u3002<br>\u56f3\u306e\u4e0a\u90e8\u306b\u306f\u5404\u30b3\u30a2\u304c\u914d\u7f6e\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u72ec\u81ea\u306e\u30b3\u30a2\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08CMPU \u2013 \u8d64\u3044\u9577\u65b9\u5f62\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3068\u3001\u30b3\u30a2\u9593\u306b\u914d\u7f6e\u3055\u308c\u305f64\u306eDMA\u30c1\u30e3\u30cd\u30eb\uff08\u7dd1\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30a2\u3001DMA\u30c1\u30e3\u30cd\u30eb\u3001\u304a\u3088\u3073\u30e1\u30e2\u30ea\u306e\u9593\u306b\u306f\u3001\u9ec4\u8272\u306e\u9577\u65b9\u5f62\u3067\u793a\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08SMPU\uff09\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5404\u30b3\u30a2\u3067\u591a\u69d8\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u5b89\u5168\u6027\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u6301\u3064\u3053\u3068\u304c\u4e8b\u524d\u306b\u5206\u304b\u3063\u3066\u3044\u305f\u305f\u3081\u3001\u79c1\u305f\u3061\u306fCMPU\u3068SMPU\u306e\u8a2d\u5b9a\u3092\u614e\u91cd\u306b\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CMPU\u3068\u5236\u9650<\/h2>\n\n\n\n<p>\u5404\u30b3\u30a2\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08CMPU\uff09\u306f\u3001\u5404\u30b3\u30a2\u304b\u3089\u767a\u751f\u3059\u308b\u3059\u3079\u3066\u306e\u547d\u4ee4\u30d5\u30a7\u30c3\u30c1\u3068\u30c7\u30fc\u30bf\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u76e3\u8996\u3057\u307e\u3059\u3002CMPU\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u30e1\u30e2\u30ea\u9818\u57df\u3068\u305d\u306e\u95a2\u9023\u3059\u308b\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u6a5f\u80fd\u3067\u3059\u3002CMPU\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u6a29\u9650\u3092\u9055\u53cd\u3057\u3066\u30e1\u30e2\u30ea\u9818\u57df\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u8005\u304c\u4ecb\u5165\u3057\u3066\u9069\u5207\u306b\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u3001CMPU\u306f\u4ee5\u4e0b\u306e2\u3064\u306e\u4e3b\u306a\u7406\u7531\u306b\u3088\u308a\u3001\u5168\u4f53\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u90e8\u5206\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>CMPU\u306f\u3001\u30b9\u30bf\u30c3\u30af\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u691c\u51fa\u3067\u304d\u308b\u30de\u30a4\u30af\u30ed\u30d7\u30ed\u30bb\u30c3\u30b5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5185\u3067\u552f\u4e00\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3059\u3002\u30b9\u30bf\u30c3\u30af\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30b9\u30bf\u30c3\u30af\u4e0a\u306e\u30d0\u30c3\u30d5\u30a1\u306b\u53ce\u307e\u308b\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u3067\u767a\u751f\u3057\u3001\u96a3\u63a5\u3059\u308b\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u3092\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u5165\u529b\u30c7\u30fc\u30bf\u304c\u9069\u5207\u306b\u691c\u8a3c\u307e\u305f\u306f\u5236\u9650\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u3001\u653b\u6483\u8005\u304c\u95a2\u6570\u306e\u623b\u308a\u30a2\u30c9\u30ec\u30b9\u3084\u30b9\u30bf\u30c3\u30af\u4e0a\u306e\u4ed6\u306e\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u3092\u4e0a\u66f8\u304d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u653b\u6483\u8005\u304c\u30b9\u30bf\u30c3\u30af\u4e0a\u3067\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6b63\u5e38\u306a\u52d5\u4f5c\u3092\u59a8\u5bb3\u3059\u308b\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u751f\u3058\u307e\u3059\u3002<br>\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u3059\u3079\u3066\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u614e\u91cd\u306b\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u8005\u306fCMPU\u3092\u69cb\u6210\u3057\u3001\u305d\u306e\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3067\u306e\u5b9f\u884c\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u5927\u5e45\u306b\u5236\u9650\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>CMPU\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u3092\u52b9\u679c\u7684\u306b\u5236\u9650\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u304c\u4efb\u610f\u306e\u30b3\u30a2\u4e0a\u3067\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u3092\u5f97\u305f\u5834\u5408\uff08\u4f8b\u3048\u3070\u3001\u60aa\u610f\u306e\u3042\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\uff09\u3001\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u305fCMPU\u304c\u60aa\u610f\u306e\u3042\u308b\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u691c\u51fa\u3057\u3001\u653b\u6483\u8005\u306e\u884c\u52d5\u3092\u59a8\u5bb3\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<br>\u3057\u304b\u3057\u3001\u672c\u5f53\u306b\u305d\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/li>\n<\/ol>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30d6\u30ed\u30c3\u30af\u56f3\u3092\u632f\u308a\u8fd4\u308b\u3068\u3001\u5404\u30b3\u30a2\u306b\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u305fCMPU\u304c\u3042\u308b\u3053\u3068\u3067\u3001\u30b3\u30a2\u81ea\u8eab\u304b\u3089\u306e\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u306e\u306b\u306f\u5f79\u7acb\u3064\u3082\u306e\u306e\u3001Direct Memory Access\uff08DMA\uff09\u3001Ethernet\u3001HSM\u306a\u3069\u306e\u7279\u5225\u306a\u5468\u8fba\u6a5f\u5668\u3092\u60aa\u7528\u3057\u3066\u653b\u6483\u8005\u304c\u30e1\u30e2\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u9632\u3050\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u653b\u6483\u3092\u52b9\u679c\u7684\u306b\u9632\u5fa1\u3059\u308b\u305f\u3081\u306b\u3001SMPU\uff08\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff09\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b7\u30b9\u30c6\u30e0MPU\uff08SMPU\uff09<\/h2>\n\n\n\n<p>\u4e00\u898b\u3059\u308b\u3068\u3001SMPU\u306fCMPU\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002SMPU\u3082\u30b7\u30b9\u30c6\u30e0\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u30e1\u30e2\u30ea\u9818\u57df\u3068\u305d\u306e\u95a2\u9023\u3059\u308b\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u6a5f\u80fd\u3067\u3042\u308a\u3001\u6a29\u9650\u9055\u53cd\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u8005\u304c\u4ecb\u5165\u3057\u3066\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001SMPU\u306b\u306fCMPU\u306b\u306f\u306a\u3044\u7279\u5225\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001SMPU\u304c\u5404\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u3054\u3068\u306e\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u540c\u6642\u306b\u76e3\u8996\u304a\u3088\u3073\u8a55\u4fa1\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001SPC58N\u3067\u5229\u7528\u53ef\u80fd\u306a\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u306e\u4e00\u89a7\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"978\" height=\"655\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-5.png\" alt=\"\" class=\"wp-image-11417\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-5.png 978w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-5-300x201.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-5-768x514.png 768w\" sizes=\"(max-width: 978px) 100vw, 978px\" \/><figcaption class=\"wp-element-caption\">Source: RM0452-spc58-line Rev.4 p. 136<\/figcaption><\/figure>\n\n\n\n<p>\u5404\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u6307\u5b9a\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\/\u30a2\u30af\u30bb\u30b9\u7981\u6b62\u306e\u30d5\u30e9\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001SMPU\u3092\u7279\u5b9a\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092HSM\u306e\u307f\u304c\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3068\u3057\u3001\u4ed6\u306e\u3059\u3079\u3066\u306e\u30de\u30b9\u30bf\u30fc\u3092\u62d2\u5426\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001CMPU\u304cHSM\u306e\u7279\u5b9a\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3068\u3057\u3066\u3082\u3001HSM\u30e1\u30e2\u30ea\u3092\u8aad\u307f\u66f8\u304d\u3057\u3088\u3046\u3068\u3059\u308b\u8a66\u307f\u306f\u3059\u3079\u3066SMPU\u306b\u3088\u3063\u3066\u52b9\u679c\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3082\u3046\u4e00\u3064\u306e\u4f8b\u306fDMA\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u3067\u3059\u3002Core1\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cCore1\u306eCMPU\u306b\u3088\u3063\u3066\u7279\u5b9a\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u653b\u6483\u8005\u304cDMA\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u5229\u7528\u3057\u3066\u305d\u306e\u7981\u6b62\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u306b\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u30a2\u30af\u30bb\u30b9\u3092\u53d6\u5f97\u3057\u3001CMPU\u306e\u5236\u9650\u3092\u56de\u907f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\u3001SMPU\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u306e1\u3064\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3092\u8a66\u307f\u305f\u767a\u4fe1\u5143\u306e\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u306b\u52a0\u3048\u3001\u4ed6\u306e\u30de\u30b9\u30bf\u30fc\u304c\u305d\u306e\u30e1\u30e2\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3082\u30d6\u30ed\u30c3\u30af\u3067\u304d\u308b\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u3068\u3081\u308b\u3068\uff1a\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3044\u3066\u3001\u30b3\u30a2MPU\uff08CMPU\uff09\u306f\u5404\u30b3\u30a2\u304b\u3089\u306e\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u76e3\u8996\u3057\u898f\u5236\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002CMPU\u306f\u30e1\u30e2\u30ea\u9818\u57df\u3068\u305d\u306e\u6a29\u9650\u3092\u9069\u7528\u3057\u3001\u9055\u53cd\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u30b9\u30bf\u30c3\u30af\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u3088\u3046\u306a\u4e00\u822c\u7684\u306a\u653b\u6483\u30d9\u30af\u30c8\u30eb\u304c\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u5b9f\u884c\u306b\u3064\u306a\u304c\u308b\u306e\u3092\u9632\u3050\u306a\u3069\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001CMPU\u306f\u30b3\u30a2\u306b\u57fa\u3065\u304f\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u306b\u306f\u5bfe\u51e6\u3067\u304d\u307e\u3059\u304c\u3001DMA\u306e\u3088\u3046\u306a\u7279\u6b8a\u306a\u5468\u8fba\u6a5f\u5668\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u306b\u306f\u5bfe\u5fdc\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u306e\u304c\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08SMPU\uff09\u3067\u3059\u3002SMPU\u306f\u5404\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u3054\u3068\u306b\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u540c\u6642\u306b\u76e3\u8996\u30fb\u8a55\u4fa1\u3057\u3001\u30e1\u30e2\u30ea\u6a29\u9650\u306b\u5bfe\u3059\u308b\u304d\u3081\u7d30\u304b\u306a\u5236\u5fa1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u672c\u8cea\u7684\u306b\u3001SMPU\u306e\u767a\u4fe1\u5143\u306e\u30de\u30b9\u30bf\u30fc\u306b\u3088\u308b\u30a2\u30af\u30bb\u30b9\u3092\u898f\u5236\u3059\u308b\u72ec\u81ea\u306e\u80fd\u529b\u306f\u3001\u5468\u8fba\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u5229\u7528\u3057\u305f\u6f5c\u5728\u7684\u306a\u653b\u6483\u3092\u963b\u6b62\u3057\u3001\u5168\u4f53\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMPU\u306e\u8a2d\u5b9a<\/h2>\n\n\n\n<p>\u524d\u306e\u6bb5\u843d\u3067\u306f\u3001CMPU\u3068SMPU\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002CMPU\u306f\u30b3\u30a2\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u5b89\u5168\u6027\u306e\u7406\u7531\u3067\u7981\u6b62\u3055\u308c\u305f\u30e1\u30e2\u30ea\u9818\u57df\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u3092\u9632\u304e\u3001SMPU\u306f\u9593\u63a5\u7684\u306a\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u79c1\u305f\u3061\u304c\u4f7f\u7528\u3057\u3066\u3044\u305fSPC58N\u30c1\u30c3\u30d7\u306b\u306f\u300116\u306e\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u3054\u3068\u306b\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u6a29\u9650\u3092\u8a2d\u5b9a\u3067\u304d\u308b24\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u30ec\u30b8\u30b9\u30bf\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5404SMPU\u30ea\u30fc\u30b8\u30e7\u30f3\u306f\u300132\u30d3\u30c3\u30c8\u306e\u958b\u59cb\u30a2\u30c9\u30ec\u30b9\u3068\u7d42\u4e86\u30a2\u30c9\u30ec\u30b9\u3001\u304a\u3088\u3073\u4fdd\u8b77\u3055\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u9818\u57df\u3068\u30ea\u30fc\u30b8\u30e7\u30f3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u30ec\u30b8\u30b9\u30bf\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u300116\u306e\u30d0\u30b9\u30de\u30b9\u30bf\u30fc\u3054\u3068\u306b\u8a31\u53ef\u3055\u308c\u308b\u30a2\u30af\u30bb\u30b9\u6a29\u9650\uff08\u8aad\u307f\u53d6\u308a\u3001\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u3001\u307e\u305f\u306f\u30a2\u30af\u30bb\u30b9\u7981\u6b62\uff09\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5404\u30ea\u30fc\u30b8\u30e7\u30f3\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u6709\u52b9\u30d3\u30c3\u30c8\uff08Valid Bit\uff09\u3068\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d3\u30c3\u30c8\uff08Read Only Bit\uff09\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d3\u30c3\u30c8\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3059\u308b\u524d\u306b\u3001\u3082\u30461\u3064\u91cd\u8981\u306aSMPU\u30ec\u30b8\u30b9\u30bf\u3067\u3042\u308bCESR0\u30ec\u30b8\u30b9\u30bf\u306b\u3064\u3044\u3066\u89e6\u308c\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3059\u3079\u3066\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u3089\u3001\u5236\u5fa1\/\u30a8\u30e9\u30fc\u30b9\u30c6\u30fc\u30bf\u30b9\u30ec\u30b8\u30b9\u30bf0\uff08CESR0\uff09\u306eGlobal Valid\uff08GVLD\uff09\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001SMPU\u304c\u6709\u52b9\u5316\u3055\u308c\u3001\u6f5c\u5728\u7684\u306a\u653b\u6483\u306b\u5bfe\u6297\u3059\u308b\u6e96\u5099\u304c\u6574\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"839\" height=\"524\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-4.png\" alt=\"\" class=\"wp-image-11414\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-4.png 839w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-4-300x187.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-4-768x480.png 768w\" sizes=\"(max-width: 839px) 100vw, 839px\" \/><figcaption class=\"wp-element-caption\">Source:&nbsp; RM0452 SPC58H line<\/figcaption><\/figure>\n\n\n\n<p>\u30ea\u30fc\u30b8\u30e7\u30f3\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d3\u30c3\u30c8<\/p>\n\n\n\n<p>\u3067\u306f\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d3\u30c3\u30c8\u306b\u8a71\u3092\u623b\u3057\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"833\" height=\"447\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-3.png\" alt=\"\" class=\"wp-image-11411\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-3.png 833w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-3-300x161.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-3-768x412.png 768w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><figcaption class=\"wp-element-caption\">&nbsp;Source:&nbsp; RM0452 SPC58H, p. 563<\/figcaption><\/figure>\n\n\n\n<p>\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff08RO\uff09\u30d3\u30c3\u30c8\u306f\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u610f\u56f3\u3057\u306a\u3044\u5909\u66f4\u3092\u9632\u3050\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002RO\u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3068\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u30ec\u30b8\u30b9\u30bf\u5185\u306e\u4efb\u610f\u306e\u5834\u6240\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u7121\u8996\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u975e\u5e38\u306b\u7406\u306b\u304b\u306a\u3063\u3066\u304a\u308a\u91cd\u8981\u3067\u3059\u3002\u4e00\u5ea6\u8a2d\u5b9a\u3055\u308c\u305f\u30ea\u30fc\u30b8\u30e7\u30f3\u304c\u3001\u5076\u767a\u7684\u307e\u305f\u306f\u60aa\u610f\u306e\u3042\u308b\u66f8\u304d\u8fbc\u307f\u304b\u3089\u4fdd\u8b77\u3055\u308c\u308b\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u304b\u3089\u3067\u3059\u3002\u3057\u304b\u3057\u3001RO\u30d3\u30c3\u30c8\u306e\u8aac\u660e\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6ce8\u610f\u66f8\u304d\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfyagC0dLbZV1-YdaIHpxt88689QUhMwQEeZQLjKaYo6wmrojwX1DE5HH9P-JY40p3AQWblWIbSRXS5Q5YADF802pJ8ouEWTaZSIg44e_xKLwi-tDM0c-jlocsWlE7AxW8aqNZWmtgy6fg73s3rhtBzAM0?key=TbsByg4cr6VpT6Kng-9w_w\" alt=\"\"\/><\/figure>\n\n\n\n<p>&nbsp;Source:&nbsp; RM0452 SPC58H, p. 536<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u6ce8\u610f\u66f8\u304d\u306b\u306f\u3001RO\u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3068\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u5168\u4f53\u304c\u30ed\u30c3\u30af\u3055\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\u307e\u3067\u5909\u66f4\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u9593\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u306e\u6709\u52b9\u30d3\u30c3\u30c8\uff08Valid Bit\uff09\u304a\u3088\u3073\u30b0\u30ed\u30fc\u30d0\u30eb\u6709\u52b9\u30d3\u30c3\u30c8\uff08GVLD\uff09\u306b\u306f\u5f71\u97ff\u304c\u306a\u304f\u3001\u3053\u308c\u3089\u3082\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\u307e\u3067\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u975e\u5e38\u306b\u30b9\u30de\u30fc\u30c8\u306a\u9632\u5fa1\u7b56\u3067\u3059\u3002\u4e00\u5ea6SMPU\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u304c\u8a2d\u5b9a\u3055\u308c\u3001RO\u30d3\u30c3\u30c8\u304c\u6709\u52b9\u5316\u3055\u308c\u308b\u3068\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u6709\u52b9\u30d3\u30c3\u30c8\uff08GVLD\uff09\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u653b\u6483\u8005\u304cSMPU\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002SMPU\u3092\u7121\u52b9\u5316\u3059\u308b\u552f\u4e00\u306e\u65b9\u6cd5\u306f\u6b21\u56de\u306e\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\u5f8c\u3068\u306a\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u306f\u30c7\u30d0\u30a4\u30b9\u3078\u306e\u652f\u914d\u3092\u5931\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SMPU\u306e\u8106\u5f31\u6027<\/h2>\n\n\n\n<p>SMPU\u306e\u8a2d\u5b9a\u3092\u7d42\u3048\u305f\u5f8c\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30c6\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u88fd\u54c1\u3067\u306f\u30011\u3064\u306e\u30b3\u30a2\u304c\u5b89\u5168\u6027\uff08ASIL-D\uff09\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3001\u3082\u30461\u3064\u306e\u30b3\u30a2\u304c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5f53\u7136\u306a\u304c\u3089\u30012\u3064\u306e\u30b3\u30a2\u306f\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>SMPU\u306f\u3001\u5b89\u5168\u6027\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30e2\u30ea\u9818\u57df\uff08\u30d5\u30e9\u30c3\u30b7\u30e5\u3001EEPROM\u3001SRAM\uff09\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30a2\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u304a\u3088\u3073\u66f8\u304d\u8fbc\u307f\u304b\u3089\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u3059\u3079\u3066\u306eRO\u30d3\u30c3\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u305f\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\u304c\u884c\u308f\u308c\u308b\u307e\u3067SMPU\u306e\u4fdd\u8b77\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u4e2d\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30a2\u4e0a\u3067\u653b\u6483\u8005\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>SPC58\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u3001RO\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\u3057\u305f\u5f8c\u306fGVLD\u30d3\u30c3\u30c8\u304cSMPU\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u3053\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u30b7\u30ea\u30b3\u30f3\u306b\u306f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30a2\u4e0a\u306e\u653b\u6483\u8005\u304cGVLD\u30d3\u30c3\u30c8\u306b0\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u3067SMPU\u3092\u7121\u52b9\u5316\u3057\u3001\u30bb\u30fc\u30d5\u30c6\u30a3\u30b3\u30a2\u306e\u30e1\u30e2\u30ea\u306b\u5bfe\u3057\u3066\u8aad\u307f\u53d6\u308a\u304a\u3088\u3073\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u3092\u884c\u3046\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048CMPU\u304c\u6b63\u3057\u304f\u69cb\u6210\u3055\u308c\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001SMPU\u304c\u7121\u52b9\u5316\u3055\u308c\u308b\u3068\u3001DMA\u3084Ethernet\u3068\u3044\u3063\u305f\u30b7\u30b9\u30c6\u30e0\u5468\u8fba\u6a5f\u5668\u3092\u901a\u3058\u3066\u4e3b\u8981\u306a\u30e1\u30e2\u30ea\u304c\u653b\u6483\u306b\u3055\u3089\u3055\u308c\u308b\u7d50\u679c\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STMicroelectronics\u3078\u306e\u958b\u793a<\/h2>\n\n\n\n<p>SPC58\u30c1\u30c3\u30d7\u3067\u3053\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u305f\u76f4\u5f8c\u3001\u79c1\u305f\u3061\u306fSTMicroelectronics\u306ePSIRT\uff08\u88fd\u54c1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u30c1\u30fc\u30e0\uff09\u306b\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u95a2\u9023\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6570\u56de\u306e\u3084\u308a\u53d6\u308a\u306e\u5f8c\u3001STMicroelectronics\u304b\u3089\u3053\u306e\u554f\u984c\u306b\u95a2\u3059\u308b\u30a8\u30e9\u30c3\u30bf\uff08\u8a02\u6b63\u60c5\u5831\uff09\u3092\u516c\u958b\u3059\u308b\u3068\u306e\u56de\u7b54\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u304c\u305d\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u56de\u7b54\u306e\u5168\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u300c\u691c\u51fa\u3055\u308c\u305fSMPU\u306e\u6319\u52d5\u306e\u9038\u8131\u306f\u3001\u975e\u30bb\u30ad\u30e5\u30a2\u30c7\u30d0\u30a4\u30b9\u30c9\u30e1\u30a4\u30f3\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u79d8\u5bc6\u60c5\u5831\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30c7\u30fc\u30bf\u306f\u3001HSM\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306e\u30e1\u30e2\u30ea\u5185\u306b\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u304c\u5916\u90e8\u306b\u4fdd\u5b58\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u6697\u53f7\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p><strong>SMPU\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001SMPU\u306f\u5e72\u6e09\u3092\u9632\u3050\u305f\u3081\u306e\u88dc\u52a9\u6a5f\u80fd\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u300d<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">STMicroelectronics\u3078\u306e\u8cac\u4efb\u3042\u308b\u958b\u793a\u306e\u6642\u7cfb\u5217<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>2023\u5e747\u670813\u65e5<\/td><td>\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u5831\u544a\u3092ST\u306b\u63d0\u51fa<\/td><\/tr><tr><td>2023\u5e748\u67087\u65e5<\/td><td>STMicroelectronics\u304b\u3089\u300c\u30a8\u30e9\u30c3\u30bf\u306f\u516c\u958b\u3055\u308c\u308b\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u3067\u306f\u306a\u3044\u300d\u3068\u306e\u8fd4\u4fe1<\/td><\/tr><tr><td>2023\u5e748\u670815\u65e5<\/td><td>\u3055\u3089\u306a\u308b\u8aac\u660e\u3092\u8a18\u8f09\u3057\u305f2\u901a\u76ee\u306e\u30e1\u30fc\u30eb\u3092ST\u306b\u9001\u4fe1<\/td><\/tr><tr><td>2023\u5e749\u670821\u65e5<\/td><td>ST\u304b\u3089\u306e\u8fd4\u7b54\u300cSMPU\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u8b77\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u300d<\/td><\/tr><tr><td>2023\u5e7411\u67086\u65e5<\/td><td>CVE\u30ea\u30af\u30a8\u30b9\u30c8<\/td><\/tr><tr><td>2023\u5e7411\u670820\u65e5<\/td><td>CVE-2023-48010\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5f71\u97ff\u306e\u3042\u308bSTMicroelectronics\u306e\u30d1\u30fc\u30c4<\/strong><sup data-fn=\"80e97448-f55e-43a9-9fa4-469819ed68b9\" class=\"fn\"><a id=\"80e97448-f55e-43a9-9fa4-469819ed68b9-link\" href=\"#80e97448-f55e-43a9-9fa4-469819ed68b9\">9<\/a><\/sup><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPC58\u30c7\u30d0\u30a4\u30b9\u5168\u3066<\/li>\n\n\n\n<li>SR5E1<\/li>\n\n\n\n<li>SPC574K (K2)<\/li>\n\n\n\n<li>SPC572L (Lavaredo)<\/li>\n\n\n\n<li>SPC574Sx (Sphaero)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">(2) CVE-2024-33882<\/h4>\n\n\n\n<p>\u305d\u3053\u3067\u3001NXP\u306eMPC5748\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30c1\u30c3\u30d7\u306f\u300c\u81ea\u52d5\u8eca\u304a\u3088\u3073\u7523\u696d\u7528\u3067\u5236\u5fa1\u304a\u3088\u3073\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u5411\u3051\u306e\u975e\u5e38\u306b\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u6301\u3064MCU\u300d<sup data-fn=\"20284bab-0731-4ae1-a42a-10f0b208f9eb\" class=\"fn\"><a id=\"20284bab-0731-4ae1-a42a-10f0b208f9eb-link\" href=\"#20284bab-0731-4ae1-a42a-10f0b208f9eb\">10<\/a><\/sup>\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eNXP PowerPC\u304cSTMicroelectronics\u306ePowerPC\u30c1\u30c3\u30d7\u3088\u308a\u3082\u512a\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u76ee\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001NXP MPC5748 PowerPC\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30d6\u30ed\u30c3\u30af\u56f3<sup data-fn=\"6a9ef3ce-d464-405a-95fb-cd5359e109fa\" class=\"fn\"><a id=\"6a9ef3ce-d464-405a-95fb-cd5359e109fa-link\" href=\"#6a9ef3ce-d464-405a-95fb-cd5359e109fa\">11<\/a><\/sup>\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"787\" height=\"739\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-2.png\" alt=\"\" class=\"wp-image-11407\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-2.png 787w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-2-300x282.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-2-768x721.png 768w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><figcaption class=\"wp-element-caption\">Source: MPC5748G Microcontroller Data Sheet, Rev. 6, 11\/2018, p. 4<\/figcaption><\/figure>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30d6\u30ed\u30c3\u30af\u56f3\u3092\u898b\u305f\u3060\u3051\u3067\u3001\u7591\u554f\u3092\u62b1\u304b\u305a\u306b\u306f\u3044\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u30b3\u30a2\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08CMPU\uff09\u306f\u3069\u3053\u306b\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u9ec4\u8272\u3067\u793a\u3057\u305f\u90e8\u5206\u306f3\u3064\u306eMCU\u30b3\u30a2\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3069\u308c\u3082CMPU\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u30aa\u30f3\u30c1\u30c3\u30d7\uff08SoC\uff09\u306b\u306f\u3001\u8d64\u3067\u793a\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08SMPU\uff09\u3057\u304b\u5b58\u5728\u3057\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u7dd1\u3067\u793a\u3057\u305f\u90e8\u5206\u306f\u30c1\u30c3\u30d7\u306e\u30e1\u30e2\u30ea\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u8abf\u67fb\u3092\u9032\u3081\u305f\u3068\u3053\u308d\u3001MPC5748\u306eSMPU\u306fCMPU\u306e\u6a5f\u80fd\u3082\u517c\u306d\u5099\u3048\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3064\u307e\u308a\u3001ST\u306eSPC58\u3067\u898b\u3064\u304b\u3063\u305f\u306e\u3068\u540c\u3058\u8106\u5f31\u6027\u304cMPC5748\u306b\u3082\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u653b\u6483\u8005\u306f\u30b3\u30a2\u4fdd\u8b77\u3068\u30b7\u30b9\u30c6\u30e0\u4fdd\u8b77\u3092\u542b\u3080\u30e1\u30e2\u30ea\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u5b8c\u5168\u306b\u7121\u52b9\u5316\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\uff01<\/p>\n\n\n\n<p>NXP\u306e\u30ec\u30b8\u30b9\u30bf\u540d\u306f\u3001STMicroelectronics\u306e\u30c1\u30c3\u30d7\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u300cGlobal Valid\u300dGVLD\u30d3\u30c3\u30c8\u306f\u3001SMPUx_CES0\u30ec\u30b8\u30b9\u30bf\u306e\u30d3\u30c3\u30c831\u306b\u4f4d\u7f6e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"826\" height=\"707\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-1.png\" alt=\"\" class=\"wp-image-11404\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-1.png 826w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-1-300x257.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-1-768x657.png 768w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/figure>\n\n\n\n<p>\u51fa\u5178\uff1aMPC5748G\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb, Rev. 7.1, p. 493-494<\/p>\n\n\n\n<p>\u30e1\u30e2\u30ea\u9818\u57df\u306f\u3001\u30ec\u30b8\u30b9\u30bfSMPUx_RGDn_WRD5\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"803\" height=\"591\" src=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image.png\" alt=\"\" class=\"wp-image-11401\" srcset=\"https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image.png 803w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-300x221.png 300w, https:\/\/plaxidityx.com\/wp-content\/uploads\/2024\/11\/image-768x565.png 768w\" sizes=\"(max-width: 803px) 100vw, 803px\" \/><\/figure>\n\n\n\n<p>Source: MPC5748G Reference Manual, Rev. 7.1, p. 505<\/p>\n\n\n\n<p>STMicroelectronics\u306eSPC58\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u304a\u308a\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u30fb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u30fb\u30ed\u30c3\u30af\uff08LCK\uff09\u307e\u305f\u306fSPC58\u3067\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30d3\u30c3\u30c8\uff08RO\uff09\u306f\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u9818\u57df\u3092\u8a2d\u5b9a\u5f8c\u306b\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff08\u4e0a\u8a18\u306e\u9ec4\u8272\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3002\u8d64\u3044\u90e8\u5206\u306e\u6ce8\u610f\u66f8\u304d\u3082SPC58\u306e\u3082\u306e\u3068\u4f3c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdHqgi081zp2nzN1DhZGmSXYiFpfeJbhB48HCsXAxOzWAcUCQaG4Hk9nRCXx0BhKvFbNTiH5c73pUaDoO4GQQ-g86a8-PWUuqXgwGxq5yWPJdhrRBAz-XC29X1bB1wobZdts7Lqzr7ChhZaYzaLTGCYZkIN?key=TbsByg4cr6VpT6Kng-9w_w\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u3053\u3053\u3067\u3082SPC58\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u5834\u5408\u3068\u540c\u69d8\u306b\u3001\u8a18\u8ff0\u306f\u307b\u307c\u540c\u4e00\u3067\u3059\u3002\u30ea\u30fc\u30b8\u30e7\u30f3\u3092\u30ed\u30c3\u30af\u3059\u308b\u3068\u3001SMPU\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u6709\u52b9\u30d3\u30c3\u30c8\uff08Global Valid\uff09\u304c\u7121\u52b9\u306b\u306a\u308a\u3001SMPU\u3092\u7121\u52b9\u5316\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u7c21\u5358\u306a\u30c6\u30b9\u30c8\u3067\u5224\u660e\u3057\u305f\u306e\u306f\u3001SMPU\u304c\u6709\u52b9\u5316\u3055\u308c\u3001\u3059\u3079\u3066\u306eLCK\u30d3\u30c3\u30c8\u304c\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u3082\u3001\u7279\u6a29\u3092\u6301\u3064\u653b\u6483\u8005\u304cGlobal Valid\u30920\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001SMPU\u3092\u5b8c\u5168\u306b\u7121\u52b9\u5316\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u5225\u306bCMPU\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001SMPU\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3067\u653b\u6483\u8005\u306f\u30e1\u30e2\u30ea\u7a7a\u9593\u5168\u4f53\u306b\u5bfe\u3057\u3066\u5236\u9650\u306a\u3057\u306e\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\/\u5b9f\u884c\u30a2\u30af\u30bb\u30b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>NXP\u3078\u306e\u958b\u793a<\/strong><\/h2>\n\n\n\n<p>MPC5748\u30c1\u30c3\u30d7\u3067\u3053\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u305f\u76f4\u5f8c\u3001\u79c1\u305f\u3061\u306fNXP\u306ePSIRT\uff08\u88fd\u54c1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u30c1\u30fc\u30e0\uff09\u306b\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u95a2\u9023\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u4f55\u5ea6\u304b\u306e\u3084\u308a\u53d6\u308a\u306e\u5f8c\u3001NXP\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u8a18\u8ff0\u304c\u4e0d\u660e\u78ba\u3067\u3042\u308b\u3053\u3068\u3092\u8a8d\u3081\u3001\u3053\u306e\u590f\uff08\u5177\u4f53\u7684\u306a\u65e5\u4ed8\u306f\u672a\u5b9a\uff09\u306b\u8aa4\u89e3\u3092\u9632\u3050\u305f\u3081\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30a8\u30e9\u30c3\u30bf\u3092\u516c\u958b\u3059\u308b\u3068\u8ff0\u3079\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001NXP\u306fSMPU\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u306f\u306a\u3044\u3068\u660e\u8a00\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306bNXP\u306e\u56de\u7b54\u5168\u6587\u3092\u793a\u3057\u307e\u3059<sup data-fn=\"c554c4d2-10c0-47e9-acaf-25af8f66610a\" class=\"fn\"><a id=\"c554c4d2-10c0-47e9-acaf-25af8f66610a-link\" href=\"#c554c4d2-10c0-47e9-acaf-25af8f66610a\">12<\/a><\/sup>\u3002<\/p>\n\n\n\n<p><em>\u300c\u672c\u88fd\u54c1\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u306f\u3001SMPU\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u660e\u78ba\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002SMPU\u306f\u300e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6982\u8981\u300f\u306e\u7ae0\u3084\u300e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb\u300f\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u300e\u30b7\u30b9\u30c6\u30e0\u30e2\u30b8\u30e5\u30fc\u30eb\u300f\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001SMPU\u306f\u300e\u6a5f\u80fd\u4e00\u89a7\u300f\u8868\u306e\u300e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300f\u306e\u9805\u76ee\u306b\u306f\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001SMPU\u3092\u8aac\u660e\u3059\u308b\u7ae0\u3067\u3082\u300e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300f\u3068\u3044\u3046\u7528\u8a9e\u306f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u300d<\/em><\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001MPC5748\u30c1\u30c3\u30d7\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u8aad\u307f\u9032\u3081\u3066\u3082\u3001SMPU\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u660e\u78ba\u306a\u8a18\u8ff0\u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u308c\u3069\u3053\u308d\u304b\u3001\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u7b2c21\u7ae0\u7b2c2\u7bc0\u306eSMPU\u306b\u95a2\u3059\u308b\u30d1\u30e9\u30b0\u30e9\u30d5\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><em>\u300c\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08SMPU\uff09\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30d0\u30b9\u30e1\u30e2\u30ea\u53c2\u7167\u306e\u305f\u3081\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002SMPU\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u540c\u6642\u306b\u76e3\u8996\u3057\u3001\u30e1\u30e2\u30ea\u7a7a\u9593\u3068\u305d\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u5b9a\u7fa9\u3059\u308b\u4e8b\u524d\u30d7\u30ed\u30b0\u30e9\u30e0\u6e08\u307f\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u30fb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3001\u305d\u308c\u3089\u306e\u9069\u5207\u6027\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002\u5341\u5206\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u6a29\u9650\u3092\u6301\u3064\u30e1\u30e2\u30ea\u53c2\u7167\u306f\u51e6\u7406\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u304c\u3001\u3069\u306e\u30ea\u30fc\u30b8\u30e7\u30f3\u30fb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306b\u3082\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u6a29\u9650\u304c\u4e0d\u5341\u5206\u306a\u53c2\u7167\u306f\u3001\u30a2\u30af\u30bb\u30b9\u30a8\u30e9\u30fc\u5fdc\u7b54\u3068\u306a\u308a\u307e\u3059\u300d<\/em><sup data-fn=\"b3fdc14a-d899-49ea-9316-cc97e831cf66\" class=\"fn\"><a id=\"b3fdc14a-d899-49ea-9316-cc97e831cf66-link\" href=\"#b3fdc14a-d899-49ea-9316-cc97e831cf66\">13<\/a><\/sup><\/p>\n\n\n\n<p>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb\u3067\u306f\u3001SMPU\u306b\u3064\u3044\u3066\u76f4\u63a5\u7684\u307e\u305f\u306f\u9593\u63a5\u7684\u306b\u3082\u8a00\u53ca\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001SMPU\u306b\u3064\u3044\u3066\u66f8\u304b\u308c\u305f\u7ae0\u3067\u306f\u3001SMPU\u304cMCU\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u5236\u5fa1\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u308b\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u672c\u3068\u3082\u8a00\u3048\u308b\u6982\u5ff5\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NXP\u3078\u306e\u8cac\u4efb\u3042\u308b\u958b\u793a\u306e\u6642\u7cfb\u5217<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>2024\u5e742\u670828\u65e5<\/td><td>NXP\u306b\u6700\u521d\u306e\u30e1\u30fc\u30eb\u901a\u77e5<\/td><\/tr><tr><td>2024\u5e742\u670828\u65e5<\/td><td>NXP\u304c\u5185\u90e8ID\u3092\u5272\u308a\u5f53\u3066<\/td><\/tr><tr><td>2024\u5e743\u670821\u65e5<\/td><td>NXP\u3078\u30ea\u30de\u30a4\u30f3\u30c0\u30fc\u30e1\u30fc\u30eb\u3092\u9001\u4fe1<\/td><\/tr><tr><td>2024\u5e743\u670821\u65e5<\/td><td>NXP\u306e\u56de\u7b54 &#8211; \u8abf\u67fb\u3092\u9032\u884c\u4e2d<\/td><\/tr><tr><td>2024\u5e743\u670828\u65e5<\/td><td>NXP\u304b\u3089\u8fd4\u4fe1 \u2010 \u6ce8\u610f\u66f8\u304d\u306e\u8868\u73fe\u304c\u66d6\u6627\u3067\u3042\u308b\u3068\u8a8d\u3081\u3001\u30a8\u30e9\u30c3\u30bf\u304c\u516c\u958b\u3055\u308c\u308b\u4e88\u5b9a\u3002\u6319\u52d5\u306f\u4ed5\u69d8\u901a\u308a\u3068\u306e\u3053\u3068\u3002<\/td><\/tr><tr><td>2024\u5e743\u670831\u65e5<\/td><td>NXP\u3078\u3055\u3089\u306a\u308b\u8aac\u660e\u3092\u542b\u3080\u30e1\u30fc\u30eb\u9001\u4fe1\u3001 SMPU\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3042\u308a\u3001\u3053\u308c\u304c\u5b9f\u88c5\u4e0a\u306e\u8106\u5f31\u6027\u3067\u3042\u308b\u3068\u8aac\u660e\u3002<\/td><\/tr><tr><td>2024\u5e744\u67084\u65e5<\/td><td>NXP\u304b\u3089\u306e\u6700\u7d42\u56de\u7b54 &#8211; NXP\u306f\u3053\u308c\u3092\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u554f\u984c\u3068\u3057\u3066\u306f\u8a8d\u8b58\u3057\u306a\u3044\u3068\u306e\u898b\u89e3\u3002<\/td><\/tr><tr><td>2024\u5e744\u670816\u65e5<\/td><td>CVE\u30ea\u30af\u30a8\u30b9\u30c8<\/td><\/tr><tr><td>2024\u5e744\u670828\u65e5<\/td><td>CVE-2024-33882\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8efd\u6e1b\u7b56<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u4f8b\u3048\u3070MPU\u306a\u3069\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u8a18\u8f09\u3092\u4fe1\u983c\u3059\u308b\u524d\u306b\u3001\u81ea\u8eab\u3067\u30c6\u30b9\u30c8\u3092\u884c\u3046\u304b\u3001\u5916\u90e8\u306e\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u30d9\u30f3\u30c0\u30fc\u3092\u5229\u7528\u3059\u308b\u306a\u3069\u3057\u3066\u3001\u5fc5\u305a\u305d\u306e\u4e3b\u5f35\u3092\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u307e\u305f\u3001MCU\u306e\u30a8\u30e9\u30c3\u30bf\uff08\u8a02\u6b63\u60c5\u5831\uff09\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u306f\u3001\u30c1\u30c3\u30d7\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u72b6\u6cc1\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>CVE-2023-48010\u306b\u95a2\u9023\u3057\u3066: \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76ee\u7684\u3067\u4fe1\u983c\u3067\u304d\u306a\u3044\u5834\u5408\uff08\u4e0a\u8ff0\u306eSMPU\u306e\u4f8b\u306e\u3088\u3046\u306b\uff09\u3001\u305d\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\uff01\u540c\u7b49\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306e\u4ed6\u306e\u65b9\u6cd5\u3092\u63a2\u3059\u304b\u3001\u5b89\u5168\u3067\u78ba\u5b9f\u306a\u65b9\u6cd5\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001STMicroelectronics MCU\u306b\u3042\u308bCMPU\u306e\u3088\u3046\u306a\u4ed6\u306e\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u672c\u8ad6\u6587\u3092\u901a\u3058\u3066\u793a\u3057\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8\uff08MPU\uff09\u306f\u3059\u3079\u3066\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u9632\u5fa1\u6226\u7565\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002MPU\u306f\u3001\u81ea\u52d5\u8eca\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30c6\u30af\u30b9\u30c8\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308a\u3001\u8eca\u4e21\u5185\u306eECU\u3084\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u4fe1\u983c\u6027\u3001\u5b89\u5168\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u306f\u306a\u3044\u3001\u3068\u3044\u3046NXP\u3084STMicroelectronics\u306e\u4e3b\u5f35\u3092\u53d7\u3051\u5165\u308c\u308b\u306e\u306f\u6975\u3081\u3066\u56f0\u96e3\u306a\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e21\u793e\u3068\u3082\u3001\u7279\u5b9a\u306e\u64cd\u4f5c\u624b\u9806\u306b\u5f93\u3048\u3070SMPU\u3092\u7121\u52b9\u5316\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u660e\u78ba\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u304c\u3001\u79c1\u305f\u3061\u304c\u793a\u3057\u305f\u3088\u3046\u306b\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u6709\u52b9\u30d3\u30c3\u30c8\uff08Global Valid Bit\uff09\u3092\u30ed\u30c3\u30af\u3059\u308b\u306f\u305a\u3060\u3063\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u90e8\u5206\u304c\u5b9f\u88c5\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u305d\u306e\u7d50\u679c\u3001\u7279\u6a29\u3092\u6301\u3064\u653b\u6483\u8005\u304cSMPU\u3092\u7121\u52b9\u5316\u3057\u3001\u901a\u5e38\u30a2\u30af\u30bb\u30b9\u4e0d\u53ef\u80fd\u306a\u6a5f\u5bc6\u30e1\u30e2\u30ea\u9818\u57df\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n<ol class=\"wp-block-footnotes\"><li id=\"5e967ae8-7f43-4b43-aae9-158b9ed13020\">\u51fa\u5178: <a href=\"https:\/\/www.techtarget.com\/searchsecurity\/definition\/access-control#:~:text=Access%20control%20is%20a%20security,access%20control%3A%20physical%20and%20logical\">https:\/\/www.techtarget.com\/searchsecurity\/definition\/access-control#:~:text=Access%20control%20is%20a%20security,access%20control%3A%20physical%20and%20logical.<\/a> <a href=\"#5e967ae8-7f43-4b43-aae9-158b9ed13020-link\" aria-label=\"\u811a\u6ce8\u53c2\u71671\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"ee738074-e6cb-4d66-86e4-9c812e731451\">W. Stallings, L. Brown, <em>Computer Security: Principles and Practice<\/em>, 3<sup>rd<\/sup> Edition, p. 114 <a href=\"#ee738074-e6cb-4d66-86e4-9c812e731451-link\" aria-label=\"\u811a\u6ce8\u53c2\u71672\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9\">Nicolas Dejon, Chrystel Gaber, Gilles Grimaud. From MMU to MPU: adaptation of the Pip kernel to constrained devices. 3rd International Conference on Internet of Things &amp; Embedded Systems (IoTE 2022), Dec 2022, Sydney, Australia. ffhal-03705114v2f <a href=\"#e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9-link\" aria-label=\"\u811a\u6ce8\u53c2\u71673\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"afe95000-b983-4bce-aaf1-beabe465b09d\"><a href=\"https:\/\/hal.science\/hal-03705114v2\/file\/FromMMUToMPUAdaptationOfThePipKernelToConstrainedDevices-IoTE2022-Final.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/hal.science\/hal-03705114v2\/file\/FromMMUToMPUAdaptationOfThePipKernelToConstrainedDevices-IoTE2022-Final.pdf<\/a> p. 2 <a href=\"#afe95000-b983-4bce-aaf1-beabe465b09d-link\" aria-label=\"\u811a\u6ce8\u53c2\u71674\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5\">\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u5316\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u3001\u30d0\u30b9\u306b\u3088\u3063\u3066\u63a5\u7d9a\u3055\u308c\u305f2\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3084\u5236\u5fa1\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u30d0\u30b9\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u4e92\u3044\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u901a\u4fe1\u7d4c\u8def\u3067\u3059\u3002 <a href=\"#64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5-link\" aria-label=\"\u811a\u6ce8\u53c2\u71675\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"2d1eb825-176d-470a-b822-28e9f8baa647\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/PowerPC_e200\">https:\/\/en.wikipedia.org\/wiki\/PowerPC_e200<\/a> <a href=\"#2d1eb825-176d-470a-b822-28e9f8baa647-link\" aria-label=\"\u811a\u6ce8\u53c2\u71676\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"2bb41b50-9583-4944-8cda-ce9d4ba2319f\">ASIL D\uff08Automotive Safety Integrity Level D\uff09\u306f\u3001ISO 26262\u898f\u683c\u5185\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u521d\u671f\u30cf\u30b6\u30fc\u30c9\uff08\u50b7\u5bb3\u30ea\u30b9\u30af\uff09\u306e\u6700\u3082\u9ad8\u3044\u5206\u985e\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u30ec\u30d9\u30eb\u306f\u3001\u5408\u7406\u7684\u3067\u306f\u306a\u3044\u6b8b\u4f59\u30ea\u30b9\u30af\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u9069\u7528\u3055\u308c\u308b\u6700\u3082\u53b3\u683c\u306a\u5b89\u5168\u5bfe\u7b56\u306e\u6c34\u6e96\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"#2bb41b50-9583-4944-8cda-ce9d4ba2319f-link\" aria-label=\"\u811a\u6ce8\u53c2\u71677\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"b975bd35-a68a-4163-8b01-31d89472af01\">\u3053\u308c\u306f\u3001STMicroelectronics\u304cPowerPC\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30e9\u30a4\u30f3\u306b\u4ed8\u3051\u305f\u5546\u6a19\u540d\u3067\u3059\u3002 <a href=\"#b975bd35-a68a-4163-8b01-31d89472af01-link\" aria-label=\"\u811a\u6ce8\u53c2\u71678\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"80e97448-f55e-43a9-9fa4-469819ed68b9\">\u3053\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308bMCU\u306e\u30ea\u30b9\u30c8\u306f\u30012024\u5e743\u670813\u65e5\u306bSTMicroelectronics\u304b\u3089\u30e1\u30fc\u30eb\u3067\u9001\u4fe1\u3055\u308c\u307e\u3057\u305f\u3002 <a href=\"#80e97448-f55e-43a9-9fa4-469819ed68b9-link\" aria-label=\"\u811a\u6ce8\u53c2\u71679\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"20284bab-0731-4ae1-a42a-10f0b208f9eb\"><a href=\"https:\/\/www.nxp.com\/products\/processors-and-microcontrollers\/power-architecture\/mpc5xxx-microcontrollers\/ultra-reliable-mpc57xx-mcus:MPC57XX\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.nxp.com\/products\/processors-and-microcontrollers\/power-architecture\/mpc5xxx-microcontrollers\/ultra-reliable-mpc57xx-mcus:MPC57XX<\/a> <a href=\"#20284bab-0731-4ae1-a42a-10f0b208f9eb-link\" aria-label=\"\u811a\u6ce8\u53c2\u716710\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"6a9ef3ce-d464-405a-95fb-cd5359e109fa\"><a href=\"https:\/\/www.nxp.com\/docs\/en\/data-sheet\/MPC5748G.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.nxp.com\/docs\/en\/data-sheet\/MPC5748G.pdf<\/a>, p. 4 <a href=\"#6a9ef3ce-d464-405a-95fb-cd5359e109fa-link\" aria-label=\"\u811a\u6ce8\u53c2\u716711\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"c554c4d2-10c0-47e9-acaf-25af8f66610a\">\u3053\u306e\u8fd4\u4fe1\u306f\u30012024\u5e744\u67084\u65e5\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u304b\u3089\u306e\u3082\u306e\u3067\u3059\u3002 <a href=\"#c554c4d2-10c0-47e9-acaf-25af8f66610a-link\" aria-label=\"\u811a\u6ce8\u53c2\u716712\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><li id=\"b3fdc14a-d899-49ea-9316-cc97e831cf66\">MPC5748G Reference Manual, Rev. 7.1, 01\/2019, p. 479 <a href=\"#b3fdc14a-d899-49ea-9316-cc97e831cf66-link\" aria-label=\"\u811a\u6ce8\u53c2\u716713\u306b\u30b8\u30e3\u30f3\u30d7\">\u21a9\ufe0e<\/a><\/li><\/ol>","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u753b\u9762\u3067\u3053\u306e\u6587\u7ae0\u3092\u8aad\u3093\u3067\u3044\u308b\u4eca\u3001\u3053\u306e\u3084\u308a\u3068\u308a\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u9593\u9055\u3044\u306a\u304f\u30e1\u30e2\u30ea&#8230;<\/p>\n","protected":false},"author":99,"featured_media":12023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"[{\"content\":\"\u51fa\u5178: <a href=\\\"https:\/\/www.techtarget.com\/searchsecurity\/definition\/access-control#:~:text=Access%20control%20is%20a%20security,access%20control%3A%20physical%20and%20logical\\\">https:\/\/www.techtarget.com\/searchsecurity\/definition\/access-control#:~:text=Access%20control%20is%20a%20security,access%20control%3A%20physical%20and%20logical.<\/a>\",\"id\":\"5e967ae8-7f43-4b43-aae9-158b9ed13020\"},{\"content\":\"W. Stallings, L. Brown, <em>Computer Security: Principles and Practice<\/em>, 3<sup>rd<\/sup> Edition, p. 114\",\"id\":\"ee738074-e6cb-4d66-86e4-9c812e731451\"},{\"content\":\"Nicolas Dejon, Chrystel Gaber, Gilles Grimaud. From MMU to MPU: adaptation of the Pip kernel to constrained devices. 3rd International Conference on Internet of Things &amp; Embedded Systems (IoTE 2022), Dec 2022, Sydney, Australia. ffhal-03705114v2f\",\"id\":\"e8f6f581-79d8-45c9-9d55-7cfeb9c4c9f9\"},{\"content\":\"<a href=\\\"https:\/\/hal.science\/hal-03705114v2\/file\/FromMMUToMPUAdaptationOfThePipKernelToConstrainedDevices-IoTE2022-Final.pdf\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">https:\/\/hal.science\/hal-03705114v2\/file\/FromMMUToMPUAdaptationOfThePipKernelToConstrainedDevices-IoTE2022-Final.pdf<\/a> p. 2\",\"id\":\"afe95000-b983-4bce-aaf1-beabe465b09d\"},{\"content\":\"\u30d0\u30b9\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u5316\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u3001\u30d0\u30b9\u306b\u3088\u3063\u3066\u63a5\u7d9a\u3055\u308c\u305f2\u3064\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3084\u5236\u5fa1\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u30d0\u30b9\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u4e92\u3044\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u901a\u4fe1\u7d4c\u8def\u3067\u3059\u3002\",\"id\":\"64ed1c03-968d-4bcb-ac70-d3af1dfa6aa5\"},{\"content\":\"<a href=\\\"https:\/\/en.wikipedia.org\/wiki\/PowerPC_e200\\\">https:\/\/en.wikipedia.org\/wiki\/PowerPC_e200<\/a>\",\"id\":\"2d1eb825-176d-470a-b822-28e9f8baa647\"},{\"content\":\"ASIL D\uff08Automotive Safety Integrity Level D\uff09\u306f\u3001ISO 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href=\\\"https:\/\/www.nxp.com\/products\/processors-and-microcontrollers\/power-architecture\/mpc5xxx-microcontrollers\/ultra-reliable-mpc57xx-mcus:MPC57XX\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">https:\/\/www.nxp.com\/products\/processors-and-microcontrollers\/power-architecture\/mpc5xxx-microcontrollers\/ultra-reliable-mpc57xx-mcus:MPC57XX<\/a>\",\"id\":\"20284bab-0731-4ae1-a42a-10f0b208f9eb\"},{\"content\":\"<a href=\\\"https:\/\/www.nxp.com\/docs\/en\/data-sheet\/MPC5748G.pdf\\\" target=\\\"_blank\\\" rel=\\\"noreferrer noopener\\\">https:\/\/www.nxp.com\/docs\/en\/data-sheet\/MPC5748G.pdf<\/a>, p. 4\",\"id\":\"6a9ef3ce-d464-405a-95fb-cd5359e109fa\"},{\"content\":\"\u3053\u306e\u8fd4\u4fe1\u306f\u30012024\u5e744\u67084\u65e5\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u304b\u3089\u306e\u3082\u306e\u3067\u3059\u3002\",\"id\":\"c554c4d2-10c0-47e9-acaf-25af8f66610a\"},{\"content\":\"MPC5748G Reference Manual, Rev. 7.1, 01\/2019, p. 479\",\"id\":\"b3fdc14a-d899-49ea-9316-cc97e831cf66\"}]"},"categories":[158,66],"tags":[145,218],"class_list":["post-11604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-ja","category-cyber-ja","tag-cyber-research-ja","tag-embedded-systems-ja"],"acf":{"layout":"default","hide_default_footer_block":false,"use_external_link":false,"external_link":"","open_in_new_tab":false,"has_hero_grey_mask":false,"hero_font_color":"black","use_custom_archive_card_image":true,"custom_archive_card_image":11434,"use_custom_mobile_single_image":false,"custom_mobile_single_image":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u81ea\u52d5\u8eca\u7528\u30e1\u30e2\u30ea\u4fdd\u8b77\u30e6\u30cb\u30c3\u30c8(MPU)\u306b\u96a0\u308c\u305f\u8106\u5f31\u6027\u3092\u89e3\u660e<\/title>\n<meta name=\"description\" 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