{"id":11185,"date":"2024-08-23T02:42:33","date_gmt":"2024-08-22T17:42:33","guid":{"rendered":"https:\/\/happytech.jp\/wordpress\/?p=11185"},"modified":"2024-08-23T02:44:04","modified_gmt":"2024-08-22T17:44:04","slug":"mcu-secure-boot-the-mcu-basics","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2024\/08\/23\/mcu-secure-boot-the-mcu-basics\/","title":{"rendered":"MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3010\u7d44\u8fbc\u307f\u958b\u767a \u57fa\u672c\u306e\u30ad\u3011"},"content":{"rendered":"<p>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u653b\u6483\u306b\u3088\u308b<a 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srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/621ee7859ac900a972f08729a8a409a9.png 536w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/621ee7859ac900a972f08729a8a409a9-300x266.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/621ee7859ac900a972f08729a8a409a9-304x270.png 304w\" sizes=\"auto, (max-width: 536px) 100vw, 536px\" \/><figcaption id=\"caption-attachment-11186\" class=\"wp-caption-text\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u4e0b\u3052\u308b\u306b\u306f\u3001\u958b\u767a\u30b3\u30b9\u30c8\u304c\u4e0a\u304c\u308b\u3002MCU\u958b\u767a\u8005\u306f\u3001\u8cbb\u7528\u5bfe\u52b9\u679c\u30d0\u30e9\u30f3\u30b9\u3082\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/figcaption><\/figure>\n<p>\u4eca\u5f8c\u306eMCU\u958b\u767a\u3067\u306f\u3001MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u671b\u307e\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u307f\u3067\u306f\u5bfe\u51e6\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u305f\u8ffd\u52a0\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u5fc5\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u305f\u3081\u3001\u901a\u5e38\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7121\u3057\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u6bd4\u3079\u51e6\u7406\u80fd\u529b\u3082\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p>MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u958b\u767a\u306f\u8cbb\u7528\u5bfe\u52b9\u679c\u3001\u3064\u307e\u308a\u3001\u3053\u308c\u3089\u8ffd\u52a0\u52b9\u679c\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u958b\u767a\u30b3\u30b9\u30c8\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3001\u3069\u3046\u89e3\u6c7a\u3059\u308b\u304b\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u88c5\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u30d9\u30f3\u30c0\u3084MCU\u6bce\u306b\u7570\u306a\u308b\u306e\u306f\u3001\u3053\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u30d0\u30e9\u30c4\u30ad\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u9867\u5ba2\u304c\u3001\u8d77\u304d\u308b\u304b\u8d77\u304d\u306a\u3044\u304b\u5224\u3089\u306a\u3044MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u5bfe\u3057\u3001\u3069\u306e\u7a0b\u5ea6\u958b\u767a\u30b3\u30b9\u30c8\u3092\u8ca0\u62c5\u3059\u308b\u304b\u4e0d\u660e\u306a\u306e\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n<h3>MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u57fa\u672c<\/h3>\n<p>\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u89e3\u8aac\u306e\u524d\u306b\u3001\u901a\u5e38\u306eMCU\u30d6\u30fc\u30c8\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306eMCU\u30d6\u30fc\u30c8\u306f\u3001\u30ea\u30bb\u30c3\u30c8\u2192\u52d5\u4f5c\u30af\u30ed\u30c3\u30af\u8a2d\u5b9a\u2192RAM\u30bc\u30ed\u30af\u30ea\u30a2\u2192RAM\u521d\u671f\u5024\u8a2d\u5b9a\u306a\u3069\u3092\u7d4c\u3066\u3001Flash\u683c\u7d0d\u30e6\u30fc\u30b6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u683c\u7d0d\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3001\u30cf\u30c3\u30ab\u30fc\u653b\u6483\u306a\u3069\u306e\u6539\u3056\u3093\u304c\u7121\u3044\u3053\u3068\u304c\u5927\u524d\u63d0\u3067\u3059\u3002<\/p>\n<p>\u203b<a href=\"https:\/\/happytech.jp\/wordpress\/2022\/12\/23\/freertos-application-startup-using-fsp\/\" target=\"_blank\" rel=\"noopener\">\u95a2\u9023\u6295\u7a3f<\/a>3\u7ae0\u306b\u901a\u5e38\u30d6\u30fc\u30c8\u8aac\u660e\u3002<\/p>\n<figure id=\"attachment_11190\" aria-describedby=\"caption-attachment-11190\" style=\"width: 847px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-11190\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1-1024x414.png\" alt=\"MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068\u901a\u5e38\u30d6\u30fc\u30c8\" width=\"847\" height=\"342\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1-1024x414.png 1024w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1-300x121.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1-768x310.png 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1-360x145.png 360w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/d72bcd00204b0bb7d0969e5c1248a06c-1.png 1124w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><figcaption id=\"caption-attachment-11190\" class=\"wp-caption-text\">MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068\u901a\u5e38\u30d6\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u4e00\u65b9\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3067\u306f\u3001\u6700\u521d\u306bFlash\u683c\u7d0d\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u6539\u3056\u3093\u304c\u7121\u3044\u3053\u3068\u3092\u3001\u6697\u53f7\u5316\u6280\u8853\u3092\u4f7f\u3063\u3066\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u6697\u53f7\u5316\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30bf\u3084\u6697\u53f7\u9375\u306e\u5c02\u7528\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u691c\u8a3c\u5931\u6557\u6642\u306f\u3001\u52d5\u4f5c\u505c\u6b62\u3001\u307e\u305f\u306f\u30ea\u30ab\u30d0\u30ea\u30fc\u30e2\u30fc\u30c9\u3078\u79fb\u884c\u3057\u3001\u691c\u8a3c\u6210\u529f\u6642\u306e\u307f\u901a\u5e38\u30d6\u30fc\u30c8\u3092\u884c\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u8d77\u52d5\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u4fe1\u983c\u691c\u8a3c\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u307f\u3067\u884c\u3046\u306e\u304c\u3001MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<p>\u901a\u5e38\u30d6\u30fc\u30c8\u3068\u6bd4\u3079\u308b\u3068\u3001\u4e8b\u524d\u306b\u6539\u3056\u3093\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u304c\u9632\u3052\u307e\u3059\u304c\u3001\u691c\u8a3c\u6642\u9593\u304c\u4f59\u5206\u306b\u639b\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092Root of Trust\u3068\u547c\u3073\u3001\u5c02\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u3057\u3066MCU\u306b\u5185\u8535\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001Arm Cortex-M33\u30b3\u30a2MCU\u306a\u3069\u304c\u3053\u308c\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>\u203b<a href=\"https:\/\/www.cybertrust.co.jp\/blog\/iot\/techinfo\/root-of-trust.html\" target=\"_blank\" rel=\"noopener\">Root of Trust<\/a>\uff08RoT\uff09\u306f\u3001\u6700\u3082\u57fa\u672c\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9818\u57df\u306e\u4fdd\u8a3c\u6982\u5ff5\u3002\u3053\u3053\u304c\u4fe1\u983c\u3067\u304d\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u69cb\u7bc9\u3055\u308c\u308b\u305f\u3081\u3001\u4fe1\u983c\u6839\u3068\u547c\u3070\u308c\u308b\u3002<\/p>\n<h3>\u9ad8\u5ea6\u8eca\u8f09\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u5b9f\u88c5\u4f8b<\/h3>\n<p>\u524d\u7ae0\u3067MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306e\u57fa\u672c\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u3001\u3082\u3063\u3068\u8907\u96d1\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30eb\u30cd\u30b5\u30b9\u8eca\u8f09MCU RH850\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u304c\u3001<a href=\"https:\/\/www.renesas.com\/jp\/ja\/blogs\/introduction-about-secure-boot-automotive-mcu-rh850-and-soc-r-car-achieve-root-trust-1\" target=\"_blank\" rel=\"noopener\">\u30b3\u30c1\u30e9<\/a>\u3067\u3059\u3002<\/p>\n<p>\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u304c\u6c42\u3081\u3089\u308c\u308b\u8eca\u8f09MCU\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u4f8b\u3067\u3001\u8c4a\u5bcc\u306a\u56f3\u3092\u4f7f\u3063\u3066\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u7528\u8a9e\u3082\u591a\u3044\u305f\u3081\u3001\u7528\u8a9e\u3084\u7565\u79f0\u96c6\u3082\u6dfb\u4ed8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u524d\u7ae0\u57fa\u672c\u3092\u7406\u89e3\u3057\u3066\u3044\u308c\u3070\u3001\u9ad8\u5ea6\u8eca\u8f09MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3067\u3082\u63b2\u8f09\u56f3\u3060\u3051\u3067\u6982\u306d\u628a\u63e1\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_11188\" aria-describedby=\"caption-attachment-11188\" style=\"width: 824px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-11188\" src=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/507990874d9962918a0413ab0cf1bdf1.png\" alt=\"\u8eca\u8f09\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a4\u30e1\u30fc\u30b8\u691c\u8a3c\uff08\u51fa\u5178\uff1a\u30eb\u30cd\u30b5\u30b9RH850\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\uff09\" width=\"824\" height=\"627\" srcset=\"https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/507990874d9962918a0413ab0cf1bdf1.png 824w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/507990874d9962918a0413ab0cf1bdf1-300x228.png 300w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/507990874d9962918a0413ab0cf1bdf1-768x584.png 768w, https:\/\/happytech.jp\/wordpress\/wp-content\/uploads\/2024\/08\/507990874d9962918a0413ab0cf1bdf1-355x270.png 355w\" sizes=\"auto, (max-width: 824px) 100vw, 824px\" \/><figcaption id=\"caption-attachment-11188\" class=\"wp-caption-text\">\u8eca\u8f09\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a4\u30e1\u30fc\u30b8\u691c\u8a3c\uff08\u51fa\u5178\uff1a\u30eb\u30cd\u30b5\u30b9RH850\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\uff09<\/figcaption><\/figure>\n<h2>Summary\uff1aMCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u57fa\u672c\u77e5\u8b58<\/h2>\n<p>MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5b9f\u88c5\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u52b9\u679c\u3068\u30ea\u30b9\u30af\u3001\u305d\u306e\u958b\u767a\u30b3\u30b9\u30c8\u306b\u3088\u308a\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002Root of Trust\u3092\u6301\u3064Cortex-M33\u30b3\u30a2\u306e\u6c4e\u7528MCU\u3067\u3055\u3048\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u9867\u5ba2\u8981\u6c42\u306b\u5fdc\u3058\u5b9f\u88c5\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u3001MCU\u8d77\u52d5\u6642\u51e6\u7406\u306e\u305f\u3081\u5e38\u6642\u904b\u7528\u306a\u3069\u518d\u8d77\u52d5\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u52b9\u679c\u3082\u671f\u5f85\u8584\u3067\u3059\u3002<\/p>\n<p>MCU\u958b\u767a\u8005\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u88c5\u3092\u56f0\u96e3\u306b\u3059\u308b\u539f\u56e0\u306e\uff11\u3064\u304c\u3001\u3053\u306e\u591a\u69d8\u6027\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u7d44\u8fbc\u307f\u958b\u767a\u57fa\u672c\u306e\u30ad\u3092\u793a\u3059\u672c\u7a3f\u306f\u3001MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u672c\u77e5\u8b58\u3068\u3057\u3066\u3001\u8d77\u52d5\u6642\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u4fe1\u983c\u691c\u8a3c\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u307f\u3067\u884c\u3046MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068\u3001\u305d\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u5b9f\u73fe\u57fa\u76e4\u306eRoot of Trust\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u57fa\u672c\u77e5\u8b58\u304c\u3042\u308c\u3070\u3001\u69d8\u3005\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u88c5\u958b\u767a\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u6b21\u56de\u306f\u3001MCU\u904b\u7528\u4e2d\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308bArm TrustZone\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>Afterword\uff1aWindows\u30d6\u30eb\u30fc\u30b9\u30af\u30ea\u30fc\u30f3\u8a18\u4e8b<\/h3>\n<p>Windows\u30d6\u30eb\u30fc\u30b9\u30af\u30ea\u30fc\u30f3\u8a18\u4e8b\u3084\u89e3\u8aac\u304c\u3001<a href=\"https:\/\/www.itmedia.co.jp\/keywords\/bluescreen.html\" target=\"_blank\" rel=\"noopener\">ITmedia<\/a>\u306b\u307e\u3068\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u696d\u52d9\u306e\u5408\u9593\u306a\u3069\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3092\u517c\u306d\u3066\u76ee\u3092\u901a\u3057\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-6224202239761885\" data-ad-slot=\"3310976040\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d44\u8fbc\u307f\u958b\u767a\u57fa\u672c\u306e\u30ad\u3068\u3057\u3066\u3001MCU\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u672c\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u307f\u3067\u8d77\u52d5\u6642\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u4fe1\u983c\u691c\u8a3c\u3092\u884c\u3046MCU\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3068\u3001\u305d\u306e\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u5b9f\u73fe\u57fa\u76e4\u306eRoot of Trust\u3092\u89e3\u8aac\u3002\u57fa\u672c\u77e5\u8b58\u304c\u3042\u308c\u3070\u3001\u69d8\u3005\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5b9f\u88c5\u306b\u3082\u5bfe\u5fdc\u53ef\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[695,8,9,62,60,127,65,509,114],"tags":[568,956,957,958],"class_list":["post-11185","post","type-post","status-publish","format-standard","hentry","category-ra-macu","category-rl78-mcu","category-mcu","category-lpc-mcu","category-kinetis-mcu","category-stm32-mcu","category-psoc-proc-mcu","category-msp432-mcu","category-cortex-m33-core","tag-root-of-trust","tag-956","tag-mcu","tag-arm-trustzone"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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