{"id":5251,"date":"2026-06-24T10:00:00","date_gmt":"2026-06-24T01:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=5251"},"modified":"2026-06-22T11:27:23","modified_gmt":"2026-06-22T02:27:23","slug":"eeprom-for-ota-updates","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/eeprom-for-ota-updates\/","title":{"rendered":"OTA\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u8a2d\u8a08\uff1aEEPROM\u3067\u306e\u72b6\u614b\u7ba1\u7406\u3068\u4fe1\u983c\u6027\u78ba\u4fdd\u306e\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">OTA\u8a2d\u8a08\u3067EEPROM\u304c\u62c5\u3046\u72b6\u614b\u7ba1\u7406\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u8a2d\u8a08\u304b\u3089\u3001\u96fb\u6e90\u65ad\u30fb\u66f8\u304d\u8fbc\u307f\u6d88\u8017\u3078\u306e\u5bfe\u7b56\u3001\u9577\u671f\u30d5\u30a3\u30fc\u30eb\u30c9\u904b\u7528\u3067\u306eFeRAM\u3078\u306e\u4ee3\u66ff\u307e\u3067\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044OTA\u8a2d\u8a08\u306b\u5fc5\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>OTA\u8a2d\u8a08\u3067EEPROM\u304c\u62c5\u3046\u88dc\u52a9\u7684\u5f79\u5272<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OTA\u8a2d\u8a08\u306b\u304a\u3044\u3066EEPROM\u306f\u3001\u66f4\u65b0\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u30fb\u8d77\u52d5\u9762\u9078\u629e\u30d5\u30e9\u30b0\u3068\u3044\u3063\u305f\u72b6\u614b\u7ba1\u7406\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u5148\u3068\u3057\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304c\u96fb\u6e90\u6295\u5165\u6642\u306b\u6700\u521d\u306b\u53c2\u7167\u3059\u308b\u30c7\u30fc\u30bf\u3067\u3042\u308a\u3001\u7834\u640d\u3057\u305f\u5834\u5408\u306f\u30c7\u30d0\u30a4\u30b9\u304c\u8d77\u52d5\u4e0d\u80fd\u306b\u306a\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u305f\u3081\u3001\u8a2d\u8a08\u4e0a\u306e\u4fe1\u983c\u6027\u8981\u4ef6\u304c\u7279\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>OTA\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u30fbCRC\u306e\u683c\u7d0d\u8a2d\u8a08<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OTA\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067EEPROM\u304c\u7ba1\u7406\u3059\u308b\u30c7\u30fc\u30bf\u306b\u306f\u3001\u66f4\u65b0\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\u30fb\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u30fb\u6574\u5408\u6027\u691c\u8a3c\u7528CRC\u5024\u30fbA\u9762\/B\u9762\u306e\u8d77\u52d5\u9762\u9078\u629e\u30d5\u30e9\u30b0\u30fb\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u8a66\u884c\u56de\u6570\u30ab\u30a6\u30f3\u30bf\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u6570\u30d0\u30a4\u30c8\u301c\u6570\u5341\u30d0\u30a4\u30c8\u7a0b\u5ea6\u306e\u5c0f\u5bb9\u91cf\u30c7\u30fc\u30bf\u3067\u3059\u304c\u3001\u3044\u305a\u308c\u3082\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304c\u96fb\u6e90\u6295\u5165\u6642\u306b\u53c2\u7167\u3059\u308b\u6700\u512a\u5148\u30c7\u30fc\u30bf\u3067\u3059\u3002\u683c\u7d0d\u5148\u30a2\u30c9\u30ec\u30b9\u306e\u8a2d\u8a08\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3054\u3068\u306b\u72ec\u7acb\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u9818\u57df\u3092\u5272\u308a\u5f53\u3066\u3001\u76f8\u4e92\u306b\u5e72\u6e09\u3057\u306a\u3044\u69cb\u6210\u304c\u57fa\u672c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u306b\u3088\u308bEEPROM\u306e\u53c2\u7167\u3068\u8d77\u52d5\u30b7\u30fc\u30b1\u30f3\u30b9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96fb\u6e90\u6295\u5165\u6642\u3001\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u306f\u307e\u305aEEPROM\u304b\u3089\u8d77\u52d5\u9762\u9078\u629e\u30d5\u30e9\u30b0\u3068\u66f4\u65b0\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8aad\u307f\u51fa\u3057\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u300c\u66f4\u65b0\u5b8c\u4e86\u30fb\u691c\u8a3c\u6e08\u307f\u300d\u3067\u3042\u308c\u3070\u65b0\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u8d77\u52d5\u3057\u3001\u300c\u66f4\u65b0\u4e2d\u65ad\u300d\u3067\u3042\u308c\u3070\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u9762\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u3053\u306e\u8d77\u52d5\u30b7\u30fc\u30b1\u30f3\u30b9\u306bCRC\u691c\u8a3c\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001EEPROM\u306e\u30c7\u30fc\u30bf\u7834\u640d\u3092\u8d77\u52d5\u6642\u306b\u691c\u77e5\u3057\u5b89\u5168\u306a\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u52d5\u4f5c\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304c\u53c2\u7167\u3059\u308bEEPROM\u30a2\u30c9\u30ec\u30b9\u3068\u5404\u30d5\u30e9\u30b0\u306e\u610f\u5473\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u9593\u3067\u53b3\u5bc6\u306b\u4ed5\u69d8\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u66f8\u304d\u8fbc\u307f\u983b\u5ea6\u304b\u3089\u898b\u308bEEPROM\u306e\u6d88\u8017\u30ea\u30b9\u30af<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u4fdd\u8a3c\u56de\u6570\u306f\u4e00\u822c\u306b10\u4e07\u301c100\u4e07\u56de\u3067\u3059\u304c\u3001OTA\u306e\u305f\u3073\u306b\u72b6\u614b\u30d5\u30e9\u30b0\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u304c\u540c\u4e00\u30a2\u30c9\u30ec\u30b9\u306b\u7e70\u308a\u8fd4\u3057\u66f8\u304d\u8fbc\u307e\u308c\u308b\u8a2d\u8a08\u3067\u306f\u3001\u901a\u5e38\u52d5\u4f5c\u3067\u306e\u8a2d\u5b9a\u5024\u4fdd\u5b58\u3084\u30ed\u30b0\u8a18\u9332\u306e\u66f8\u304d\u8fbc\u307f\u3068\u3082\u7d2f\u7a4d\u3057\u3001\u60f3\u5b9a\u3088\u308a\u65e9\u304f\u66f8\u304d\u8fbc\u307f\u5bff\u547d\u306b\u9054\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5927\u91cf\u5c55\u958b\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u500b\u4f53\u5dee\u306b\u3088\u308a\u65e9\u671f\u306b\u5bff\u547d\u3092\u8fce\u3048\u308b\u500b\u4f53\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u8a2d\u8a08\u6bb5\u968e\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u306e\u5b9f\u969b\u306e\u66f8\u304d\u8fbc\u307f\u983b\u5ea6\u3092\u898b\u7a4d\u3082\u308a\u3001\u4fdd\u8a3c\u56de\u6570\u306b\u5bfe\u3057\u3066\u5341\u5206\u306a\u30de\u30fc\u30b8\u30f3\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u96fb\u6e90\u65ad\u30fb\u30ce\u30a4\u30ba\u306b\u3088\u308bEEPROM\u72b6\u614b\u30c7\u30fc\u30bf\u306e\u7834\u640d\u30ea\u30b9\u30af<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OTA\u4e2d\u306e\u96fb\u6e90\u65ad\u3084\u5916\u90e8\u30ce\u30a4\u30ba\u306f\u3001EEPROM\u306b\u683c\u7d0d\u3055\u308c\u305f\u72b6\u614b\u30c7\u30fc\u30bf\u306e\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u7834\u640d\u306e\u5f71\u97ff\u306f\u8a2d\u5b9a\u5024\u306e\u55aa\u5931\u306b\u7559\u307e\u3089\u305a\u3001\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304c\u4e0d\u6b63\u306a\u30d5\u30e9\u30b0\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u30c7\u30d0\u30a4\u30b9\u304c\u8d77\u52d5\u4e0d\u80fd\u306b\u306a\u308b\u3068\u3044\u3046\u91cd\u5927\u969c\u5bb3\u306b\u767a\u5c55\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u767a\u751f\u6761\u4ef6\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u5bfe\u7b56\u306e\u51fa\u767a\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>OTA\u4e2d\u306e\u96fb\u6e90\u65ad\u304cEEPROM\u66f8\u304d\u8fbc\u307f\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306e\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30af\u30eb\u306f\u6570\u30df\u30ea\u79d2\u3092\u8981\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u96fb\u6e90\u304c\u906e\u65ad\u3055\u308c\u308b\u3068\u5bfe\u8c61\u30a2\u30c9\u30ec\u30b9\u306e\u30c7\u30fc\u30bf\u304c\u4e0d\u5b9a\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002OTA\u4e2d\u306b\u66f4\u65b0\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\u3084\u8d77\u52d5\u9762\u9078\u629e\u30d5\u30e9\u30b0\u306e\u66f8\u304d\u8fbc\u307f\u304c\u4e2d\u65ad\u3055\u308c\u305f\u5834\u5408\u3001\u6b21\u56de\u96fb\u6e90\u6295\u5165\u6642\u306b\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304c\u4e0d\u6b63\u306a\u30d5\u30e9\u30b0\u3092\u8aad\u307f\u53d6\u308a\u3001\u8aa4\u3063\u305f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u8d77\u52d5\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u6700\u60aa\u306e\u5834\u5408\u3001\u6709\u52b9\u306a\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u304c\u5b58\u5728\u3059\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30c7\u30d0\u30a4\u30b9\u304c\u8d77\u52d5\u4e0d\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u96fb\u6e90\u65ad\u304b\u3089\u306e\u5fa9\u65e7\u3092\u524d\u63d0\u3068\u3057\u305f\u8a2d\u8a08\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30ce\u30a4\u30ba\u74b0\u5883\u3067\u306e\u30d5\u30e9\u30b0\u30c7\u30fc\u30bf\u7834\u640d\u304c\u5f15\u304d\u8d77\u3053\u3059\u91cd\u5927\u969c\u5bb3<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7523\u696d\u6a5f\u5668\u306e\u73fe\u5834\u3067\u306f\u3001\u96fb\u6c17\u7684\u30ce\u30a4\u30ba\u306b\u3088\u308bEEPROM\u306e\u30d5\u30e9\u30b0\u30c7\u30fc\u30bf\u7834\u640d\u304c\u91cd\u5927\u306a\u7d50\u679c\u3092\u62db\u3044\u305f\u4e8b\u4f8b\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002EEPROM\u306b\u683c\u7d0d\u3055\u308c\u305f\u30d5\u30e9\u30b0\u304c\u8aa4\u3063\u305f\u5024\u306b\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u305d\u306e\u30d5\u30e9\u30b0\u3092\u6b63\u5e38\u306a\u5024\u3068\u3057\u3066\u6271\u3046\u305f\u3081\u3001\u7834\u640d\u304c\u691c\u77e5\u3055\u308c\u306a\u3044\u307e\u307e\u8aa4\u52d5\u4f5c\u304c\u7d99\u7d9a\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002OTA\u95a2\u9023\u306e\u72b6\u614b\u30d5\u30e9\u30b0\u3082\u540c\u69d8\u3067\u3001\u66f4\u65b0\u5b8c\u4e86\u30d5\u30e9\u30b0\u304c\u8aa4\u3063\u3066\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u3068\u4e0d\u8981\u306a\u518d\u66f4\u65b0\u304c\u767a\u751f\u3057\u305f\u308a\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u8aa4\u3063\u3066\u5b9f\u884c\u3055\u308c\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7834\u640d\u691c\u77e5\u3068\u5fa9\u65e7\uff1a\u30b3\u30df\u30c3\u30c8\u30fb\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u69cb\u306e\u8003\u3048\u65b9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96fb\u6e90\u65ad\u306b\u3088\u308bEEPROM\u66f8\u304d\u8fbc\u307f\u4e2d\u65ad\u3078\u306e\u5bfe\u7b56\u3068\u3057\u3066\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u578b\u306e\u30b3\u30df\u30c3\u30c8\u30fb\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u69cb\u304c\u6709\u52b9\u3067\u3059\u3002\u3053\u306e\u624b\u6cd5\u3067\u306f\u66f8\u304d\u8fbc\u307f\u524d\u306b\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u9818\u57df\u306b\u4fdd\u5b58\u3057\u3001\u66f8\u304d\u8fbc\u307f\u304c\u5b8c\u5168\u306b\u5b8c\u4e86\u3057\u3066\u304b\u3089\u300c\u30b3\u30df\u30c3\u30c8\u6e08\u307f\u300d\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u307e\u3059\u3002\u96fb\u6e90\u6295\u5165\u6642\u306b\u30b3\u30df\u30c3\u30c8\u30d5\u30e9\u30b0\u304c\u672a\u5b8c\u4e86\u3067\u3042\u308c\u3070\u3001\u4e00\u6642\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u884c\u3044\u6574\u5408\u6027\u3092\u56de\u5fa9\u3057\u307e\u3059\u3002OTA\u306e\u72b6\u614b\u30d5\u30e9\u30b0\u306b\u3053\u306e\u6a5f\u69cb\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u96fb\u6e90\u65ad\u304c\u767a\u751f\u3057\u3066\u3082\u5e38\u306bEEPROM\u3092\u6574\u5408\u3057\u305f\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>OTA\u72b6\u614b\u7ba1\u7406\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u5b9f\u88c5\u624b\u6cd5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306b\u683c\u7d0d\u3059\u308bOTA\u95a2\u9023\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u306b\u306f\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u691c\u8a3c\u30fb\u5197\u9577\u5316\u30fb\u66f8\u304d\u8fbc\u307f\u6d88\u8017\u306e\u5747\u7b49\u5316\u3068\u3044\u30463\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3044\u305a\u308c\u3082\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5b9f\u88c5\u3067\u304d\u308b\u305f\u3081\u3001\u8ffd\u52a0\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30b3\u30b9\u30c8\u3092\u304b\u3051\u305a\u306b\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>CRC\u30fb\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306b\u3088\u308b\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u691c\u8a3c<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">EEPROM\u306b\u683c\u7d0d\u3059\u308bOTA\u72b6\u614b\u30c7\u30fc\u30bf\u306bCRC\u3084\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3092\u4ed8\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u7834\u640d\u3092\u8aad\u307f\u51fa\u3057\u6642\u306b\u691c\u77e5\u3067\u304d\u307e\u3059\u3002\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u304cEEPROM\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\u3092\u8aad\u307f\u51fa\u3059\u969b\u306bCRC\u691c\u8a3c\u3092\u884c\u3044\u3001\u4e0d\u4e00\u81f4\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3078\u306e\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3084\u518d\u66f4\u65b0\u8981\u6c42\u3092\u884c\u3046\u8a2d\u8a08\u304c\u5805\u7262\u3067\u3059\u3002\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5b9f\u88c5\u3067\u304d\u308b\u305f\u3081\u8ffd\u52a0\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30b3\u30b9\u30c8\u304c\u767a\u751f\u3057\u306a\u3044\u70b9\u3082\u5229\u70b9\u3067\u3059\u3002\u7279\u306b\u91cd\u8981\u5ea6\u306e\u9ad8\u3044\u30d5\u30e9\u30b0\u306b\u3064\u3044\u3066\u306f\u3001\u66f8\u304d\u8fbc\u307f\u5f8c\u306b\u5373\u5ea7\u306b\u8aad\u307f\u8fd4\u3059\u30d9\u30ea\u30d5\u30a1\u30a4\u51e6\u7406\u3082\u4f75\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u591a\u91cd\u66f8\u304d\u8fbc\u307f\u3068\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306b\u3088\u308b\u6574\u5408\u6027\u78ba\u4fdd<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306aOTA\u72b6\u614b\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u66f8\u304d\u8fbc\u307f\u3001\u5404\u30b3\u30d4\u30fc\u306b\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u4ed8\u52a0\u3059\u308b\u624b\u6cd5\u306f\u3001\u96fb\u6e90\u65ad\u3084\u30d3\u30c3\u30c8\u5316\u3051\u306b\u5bfe\u3059\u308b\u5805\u7262\u306a\u4fdd\u8b77\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u8aad\u307f\u51fa\u3057\u6642\u306b\u306f\u6700\u3082\u65b0\u3057\u3044\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u6301\u3064\u30c7\u30fc\u30bf\u304c\u6709\u52b9\u3068\u5224\u65ad\u3057\u3001\u30b3\u30d4\u30fc\u9593\u3067\u4e0d\u4e00\u81f4\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u306f\u591a\u6570\u6c7a\u307e\u305f\u306f\u6700\u65b0\u6709\u52b9\u5024\u3067\u88dc\u5b8c\u3057\u307e\u3059\u30023\u91cd\u30b3\u30d4\u30fc\u69cb\u6210\u3067\u3042\u308c\u30701\u3064\u304c\u7834\u640d\u3057\u3066\u3082\u6b8b\u308a2\u3064\u3067\u6b63\u3057\u3044\u5024\u3092\u5fa9\u5143\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306fEEPROM\u306e\u5bb9\u91cf\u3092\u8ffd\u52a0\u3067\u6d88\u8cbb\u3057\u307e\u3059\u304c\u3001OTA\u95a2\u9023\u30d5\u30e9\u30b0\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u306f\u5c0f\u3055\u3044\u305f\u3081\u5b9f\u7528\u4e0a\u306e\u554f\u984c\u306f\u751f\u3058\u306b\u304f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u3067\u66f8\u304d\u8fbc\u307f\u6d88\u8017\u3092\u5747\u7b49\u5316\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OTA\u306e\u305f\u3073\u306b\u66f4\u65b0\u3055\u308c\u308b\u72b6\u614b\u30d5\u30e9\u30b0\u3092\u7279\u5b9a\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u56fa\u5b9a\u3057\u3066\u66f8\u304d\u8fbc\u3080\u8a2d\u8a08\u3067\u306f\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u304c\u5c40\u6240\u7684\u306b\u6d88\u8017\u3059\u308b\u30a6\u30a7\u30a2\u30a2\u30a6\u30c8\u304c\u65e9\u671f\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u30d0\u30c3\u30d5\u30a1\u3092\u5b9f\u88c5\u3057\u66f8\u304d\u8fbc\u307f\u30a2\u30c9\u30ec\u30b9\u3092\u5faa\u74b0\u3055\u305b\u308b\u3053\u3068\u3067\u3001EEPROM\u5168\u4f53\u306e\u66f8\u304d\u8fbc\u307f\u6d88\u8017\u3092\u5747\u7b49\u5316\u3067\u304d\u307e\u3059\u3002\u73fe\u5728\u306e\u6709\u52b9\u30c7\u30fc\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u306f\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u5225\u9014\u7ba1\u7406\u3057\u307e\u3059\u3002\u983b\u7e41\u306b\u66f8\u304d\u63db\u3048\u304c\u767a\u751f\u3059\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3084\u66f4\u65b0\u30ab\u30a6\u30f3\u30bf\u306b\u3053\u306e\u624b\u6cd5\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001EEPROM\u306e\u5b9f\u52b9\u5bff\u547d\u3092\u5927\u5e45\u306b\u5ef6\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EEPROM\u306e\u9650\u754c\u3068FeRAM\u3078\u306e\u4ee3\u66ff<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u306a\u5bfe\u7b56\u3067EEPROM\u306e\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u66f8\u304d\u8fbc\u307f\u4fdd\u8a3c\u56de\u6570\u3084\u66f8\u304d\u8fbc\u307f\u901f\u5ea6\u3068\u3044\u3046\u69cb\u9020\u4e0a\u306e\u5236\u7d04\u305d\u306e\u3082\u306e\u306f\u89e3\u6d88\u3055\u308c\u307e\u305b\u3093\u3002\u9577\u671f\u904b\u7528\u3084\u9ad8\u983b\u5ea6\u66f4\u65b0\u304c\u6c42\u3081\u3089\u308c\u308b\u8a2d\u8a08\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5236\u7d04\u3092\u6839\u672c\u304b\u3089\u89e3\u6d88\u3067\u304d\u308bFeRAM\u3078\u306e\u4ee3\u66ff\u304c\u6709\u52b9\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u66f8\u304d\u8fbc\u307f\u4fdd\u8a3c\u56de\u6570\u306e\u5236\u9650\u304cOTA\u9577\u671f\u904b\u7528\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/strong><\/h3>\n\n\n\n<p 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