{"id":5071,"date":"2026-03-07T10:00:00","date_gmt":"2026-03-07T01:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&p=5071"},"modified":"2026-03-04T10:29:27","modified_gmt":"2026-03-04T01:29:27","slug":"bufferless-data-logging-with-feram","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/bufferless-data-logging-with-feram\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u306e\u52b9\u7387\u5316\uff1aFRAM\u3092\u6d3b\u7528\u3057\u305f\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8a2d\u8a08"},"content":{"rendered":"\n

\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u306b\u304a\u3051\u308b\u5f93\u6765\u30e1\u30e2\u30ea\u306e\u8ab2\u984c\u3092\u6574\u7406\u3057\u3001FRAM\uff08FeRAM\u3001\u5f37\u8a98\u96fb\u4f53\u30e1\u30e2\u30ea\uff09\u306e\u9ad8\u901f\u66f8\u304d\u8fbc\u307f\u3068\u9ad8\u8010\u4e45\u6027\u3092\u6d3b\u304b\u3057\u305f\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8a2d\u8a08\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u96fb\u6e90\u65ad\u5bfe\u7b56\u3084RAM\u524a\u6e1b\u3001\u5fa9\u65e7\u6027\u5411\u4e0a\u3092\u5b9f\u73fe\u3059\u308b\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u30dd\u30a4\u30f3\u30c8\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u8a2d\u8a08\u306b\u304a\u3051\u308b\u5f93\u6765\u30e1\u30e2\u30ea\u306e\u8ab2\u984c<\/strong><\/h2>\n\n\n\n

\u9ad8\u983b\u5ea6\u306e\u8a08\u6e2c\u30ed\u30b0\u3067\u306f\u3001\u4fdd\u5b58\u51e6\u7406\u306e\u9045\u5ef6\u3084\u5bff\u547d\u304c\u8a2d\u8a08\u5236\u7d04\u306b\u306a\u308a\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u6d88\u53bb\u5358\u4f4d\u304c\u5927\u304d\u304f\u3001\u66f8\u304d\u8fbc\u307f\u56de\u6570\u5236\u9650\u3068\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u304c\u5fc5\u9808\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066RAM\u30d0\u30c3\u30d5\u30a1\u3084\u72b6\u614b\u7ba1\u7406\u304c\u5897\u3048\u3001\u5b9f\u88c5\u3068\u691c\u8a3c\u306e\u5de5\u6570\u304c\u81a8\u3089\u307f\u307e\u3059\u3002\u3055\u3089\u306b\u96fb\u6e90\u65ad\u6642\u306b\u306f\u672a\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u3084\u3059\u304f\u3001\u6574\u5408\u6027\u78ba\u4fdd\u306e\u4e8c\u91cd\u66f8\u304d\u3082\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

Flash\uff0fEEPROM\u306b\u304a\u3051\u308b\u66f8\u304d\u8fbc\u307f\u5236\u7d04\u3068\u8010\u4e45\u6027\u554f\u984c<\/strong><\/h3>\n\n\n\n

\u30d5\u30e9\u30c3\u30b7\u30e5\u3084EEPROM\u306f\u30bb\u30eb\u306e\u66f8\u304d\u63db\u3048\u8010\u4e45\u304c\u6709\u9650\u3067\u3001\u30ed\u30b0\u3092\u76f4\u63a5\u8ffd\u8a18\u3059\u308b\u3068\u65e9\u671f\u52a3\u5316\u3092\u62db\u304d\u307e\u3059\u3002\u52a0\u3048\u3066\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u6d88\u53bb\u3057\u3066\u304b\u3089\u66f8\u304f\u305f\u3081\u3001\u6d88\u53bb\u5f85\u3061\u3068\u6d88\u53bb\u5358\u4f4d\u306e\u4e38\u3081\u304c\u767a\u751f\u3057\u3001\u5c11\u91cf\u30c7\u30fc\u30bf\u3067\u3082\u30da\u30fc\u30b8\u7ba1\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30ed\u30b0\u3092\u307e\u3068\u3081\u3066\u66f8\u304f\u30d0\u30c3\u30d5\u30a1\u3001\u6d88\u53bb\u9818\u57df\u306e\u7ba1\u7406\u3001\u5bff\u547d\u3092\u5747\u3059\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u30b3\u30fc\u30c9\u3068\u30c6\u30b9\u30c8\u304c\u91cd\u304f\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u96fb\u6e90\u65ad\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307f\u9014\u4e2d\u306e\u6574\u5408\u6027\u3092\u5b88\u308b\u305f\u3081\u306b\u30d8\u30c3\u30c0\u4e8c\u91cd\u5316\u3084\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u66f4\u65b0\u9806\u5e8f\u307e\u3067\u8a2d\u8a08\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u7d50\u679c\u3068\u3057\u3066CPU\u8ca0\u8377\u3068RAM\u5360\u6709\u304c\u5897\u3048\u3001\u4f4e\u6d88\u8cbb\u96fb\u529b\u5316\u3082\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u8a2d\u8a08\u304c\u3082\u305f\u3089\u3059\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u8907\u96d1\u5316<\/strong><\/h3>\n\n\n\n

\u5f93\u6765\u306f\u8a18\u9332\u5468\u671f\u3068\u66f8\u304d\u8fbc\u307f\u5358\u4f4d\u306e\u5dee\u3092\u5438\u53ce\u3059\u308b\u305f\u3081\u3001RAM\u306b\u4e00\u6642\u84c4\u7a4d\u3057\u3066\u304b\u3089\u4e0d\u63ee\u767a\u3078\u8ee2\u9001\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d0\u30c3\u30d5\u30a1\u306f\u5bb9\u91cf\u898b\u7a4d\u308a\u3001\u6ea2\u308c\u6642\u306e\u6368\u3066\u65b9\u3001\u512a\u5148\u5ea6\u306e\u7570\u306a\u308b\u30ed\u30b0\u306e\u6df7\u5728\u306a\u3069\u3001\u904b\u7528\u6761\u4ef6\u3067\u5206\u5c90\u304c\u5897\u3048\u307e\u3059\u3002\u3055\u3089\u306b\u8907\u6570\u30bf\u30b9\u30af\u304b\u3089\u306e\u8a18\u9332\u3067\u306f\u6392\u4ed6\u5236\u5fa1\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u3092\u5d29\u3057\u3084\u3059\u3044\u70b9\u3082\u554f\u984c\u3067\u3059\u3002\u5272\u308a\u8fbc\u307f\u5185\u3067\u306e\u66f8\u304d\u8fbc\u307f\u3092\u907f\u3051\u308b\u8a2d\u8a08\u306b\u3059\u308b\u3068\u3001\u7d50\u5c40\u306f\u30ad\u30e5\u30fc\u3084\u30ea\u30f3\u30b0\u3092\u5897\u3084\u3057\u3066\u72b6\u614b\u304c\u80a5\u5927\u5316\u3057\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u4e0d\u5177\u5408\u304c\u6f5c\u307f\u3084\u3059\u304f\u3001\u518d\u73fe\u3057\u306b\u304f\u3044\u6b20\u843d\u3084\u9806\u5e8f\u9006\u8ee2\u306e\u89e3\u6790\u306b\u6642\u9593\u3092\u53d6\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u96fb\u6e90\u65ad\u5bfe\u7b56\u3068\u30ed\u30b0\u6d88\u5931\u30ea\u30b9\u30af<\/strong><\/h3>\n\n\n\n

\u96fb\u6e90\u65ad\u306f\u30ed\u30b0\u8a2d\u8a08\u306e\u6700\u96e3\u6240\u3067\u3001\u672a\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u3060\u3051\u3067\u306a\u304f\u3001\u66f8\u304d\u8fbc\u307f\u9014\u4e2d\u306e\u30e1\u30bf\u60c5\u5831\u7834\u640d\u304c\u81f4\u547d\u50b7\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u30ea\u30f3\u30b0\u69cb\u9020\u3067\u306f\u3001\u66f8\u304d\u8fbc\u307f\u4f4d\u7f6e\u3068\u6709\u52b9\u7bc4\u56f2\u306e\u60c5\u5831\u304c\u58ca\u308c\u308b\u3068\u5fa9\u65e7\u3067\u304d\u305a\u3001\u5168\u9818\u57df\u3092\u8d70\u67fb\u3059\u308b\u7fbd\u76ee\u306b\u306a\u308a\u307e\u3059\u3002\u5bfe\u7b56\u3068\u3057\u3066\u3001\u30b3\u30df\u30c3\u30c8\u30d5\u30e9\u30b0\u3001\u4e16\u4ee3\u756a\u53f7\u3001\u4e8c\u91cd\u30d8\u30c3\u30c0\u3001CRC\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u304c\u3001\u66f4\u65b0\u9806\u5e8f\u306e\u8aa4\u308a\u3067\u9006\u306b\u7834\u640d\u78ba\u7387\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u96fb\u6e90\u65ad\u8a66\u9a13\u306f\u6761\u4ef6\u51fa\u3057\u304c\u96e3\u3057\u304f\u3001\u6e29\u5ea6\u3084\u96fb\u5727\u50be\u659c\u3067\u7d50\u679c\u304c\u63fa\u308c\u307e\u3059\u3002\u8a2d\u8a08\u521d\u671f\u304b\u3089\u5fa9\u65e7\u624b\u9806\u3092\u542b\u3080\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u5b9a\u7fa9\u3057\u306a\u3044\u3068\u3001\u5f8c\u4ed8\u3051\u3067\u306f\u8907\u96d1\u3055\u3060\u3051\u304c\u5897\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

FRAM\u306e\u7279\u6027\u3068\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3078\u306e\u9069\u5408\u6027<\/strong><\/h2>\n\n\n\n

FRAM\u306f\u4e0d\u63ee\u767a\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u9ad8\u901f\u306b\u66f8\u3051\u308b\u7279\u6027\u3092\u6301\u3061\u307e\u3059\u3002\u6d88\u53bb\u5de5\u7a0b\u304c\u4e0d\u8981\u306a\u305f\u3081\u5f85\u3061\u6642\u9593\u304c\u8aad\u3081\u3001\u983b\u7e41\u306a\u8ffd\u8a18\u3067\u3082\u5bff\u547d\u8a2d\u8a08\u304c\u7acb\u3066\u3084\u3059\u3044\u70b9\u304c\u5229\u70b9\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u6e9c\u3081\u3066\u304b\u3089\u66f8\u304f\u524d\u63d0\u3092\u5f31\u3081\u3001RAM\u30d0\u30c3\u30d5\u30a1\u3084\u8907\u96d1\u306a\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u7e2e\u5c0f\u3067\u304d\u307e\u3059\u3002\u96fb\u6e90\u65ad\u6642\u3082\u3001\u66f8\u3044\u305f\u5206\u306f\u5373\u5ea7\u306b\u4fdd\u6301\u3055\u308c\u308b\u305f\u3081\u3001\u30b3\u30df\u30c3\u30c8\u8a2d\u8a08\u3092\u7c21\u7d20\u5316\u3057\u3084\u3059\u304f\u3001\u30ed\u30b0\u306e\u53d6\u308a\u3053\u307c\u3057\u3092\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

FRAM\u306e\u57fa\u672c\u52d5\u4f5c\u539f\u7406\u3068\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea\u3068\u3057\u3066\u306e\u7279\u9577<\/strong><\/h3>\n\n\n\n

FRAM\u306f\u5f37\u8a98\u96fb\u4f53\u306e\u5206\u6975\u72b6\u614b\u3067\u60c5\u5831\u3092\u4fdd\u6301\u3057\u3001\u96fb\u6e90\u3092\u5207\u3063\u3066\u3082\u30c7\u30fc\u30bf\u304c\u6b8b\u308a\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u5f62\u614b\u306f\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u3067\u3001\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u3057\u3066\u5fc5\u8981\u306a\u5834\u6240\u3060\u3051\u3092\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u30ed\u30b0\u306e\u30d8\u30c3\u30c0\u66f4\u65b0\u3084\u5c0f\u3055\u306a\u30e1\u30bf\u60c5\u5831\u306e\u8ffd\u8a18\u306b\u5411\u304d\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u3088\u3046\u306a\u6d88\u53bb\u30d6\u30ed\u30c3\u30af\u5883\u754c\u306b\u7e1b\u3089\u308c\u306b\u304f\u304f\u3001\u66f8\u304d\u8fbc\u307f\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u4fdd\u3066\u307e\u3059\u3002\u3055\u3089\u306b\u66f8\u304d\u8fbc\u307f\u6642\u9593\u304c\u4e00\u5b9a\u3067\u3001\u5468\u671f\u5236\u5fa1\u306e\u898b\u7a4d\u308a\u304c\u3057\u3084\u3059\u3044\u70b9\u3082\u8a2d\u8a08\u4e0a\u306e\u4fa1\u5024\u3067\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u8a18\u9332\u51e6\u7406\u3092\u5272\u308a\u8fbc\u307f\u8fd1\u508d\u306b\u7f6e\u304f\u8a2d\u8a08\u3084\u3001\u77ed\u5468\u671f\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306e\u76f4\u63a5\u66f8\u304d\u8fbc\u307f\u304c\u73fe\u5b9f\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u9ad8\u901f\u66f8\u304d\u8fbc\u307f\u30fb\u9ad8\u8010\u4e45\u6027\u304c\u8a2d\u8a08\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/strong><\/h3>\n\n\n\n

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\u4f4e\u6d88\u8cbb\u96fb\u529b\u3068\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u3078\u306e\u8ca2\u732e<\/strong><\/h3>\n\n\n\n

\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3067\u306f\u3001\u66f8\u304d\u8fbc\u307f\u96fb\u529b\u3068\u8d77\u52d5\u6642\u9593\u304c\u96fb\u6c60\u5bff\u547d\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002FRAM\u306f\u6d88\u53bb\u5de5\u7a0b\u304c\u306a\u3044\u305f\u3081\u3001\u66f8\u304d\u8fbc\u307f\u306b\u4f34\u3046\u30d4\u30fc\u30af\u96fb\u6d41\u3084\u5f85\u3061\u6642\u9593\u3092\u6291\u3048\u3084\u3059\u304f\u3001\u77ed\u6642\u9593\u3067\u30b9\u30ea\u30fc\u30d7\u3078\u623b\u3059\u8a2d\u8a08\u306b\u5411\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u66f8\u304d\u8fbc\u307f\u5b8c\u4e86\u5f85\u3061\u304c\u9577\u3044\u3068\u30bf\u30b9\u30af\u5207\u66ff\u304c\u5897\u3048\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u3068\u6d88\u8cbb\u96fb\u529b\u306e\u4e21\u65b9\u304c\u60aa\u5316\u3057\u307e\u3059\u304c\u3001FRAM\u3067\u306f\u5f85\u3061\u304c\u8aad\u307f\u3084\u3059\u304f\u8a2d\u8a08\u304c\u5b89\u5b9a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u96fb\u6e90\u65ad\u6642\u306b\u66f8\u3044\u305f\u5206\u304c\u6b8b\u308b\u3053\u3068\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30ad\u30e3\u30d1\u30b7\u30bf\u7b49\u3067\u7a3c\u3050\u7336\u4e88\u6642\u9593\u3092\u77ed\u304f\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u96fb\u6e90\u8a2d\u8a08\u306e\u81ea\u7531\u5ea6\u3082\u4e0a\u304c\u308a\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u5358\u7d14\u306a\u5468\u671f\u51e6\u7406\u3067\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

FRAM\u3092\u6d3b\u7528\u3057\u305f\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u30c7\u30fc\u30bf\u69cb\u9020\u8a2d\u8a08<\/strong><\/h2>\n\n\n\n

\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u8a2d\u8a08\u306f\u3001RAM\u306b\u9577\u304f\u6ede\u7559\u3055\u305b\u305a\u3001\u53d6\u5f97\u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u306a\u5358\u4f4d\u3067\u4e0d\u63ee\u767a\u3078\u78ba\u5b9a\u3055\u305b\u308b\u8003\u3048\u65b9\u3067\u3059\u3002FRAM\u306e\u7279\u6027\u3092\u4f7f\u3048\u3070\u3001\u8ffd\u8a18\u306e\u7c92\u5ea6\u3092\u4e0b\u3052\u3066\u3082\u6027\u80fd\u3068\u5bff\u547d\u306e\u554f\u984c\u304c\u5c0f\u3055\u304f\u3001\u8a2d\u8a08\u306e\u7126\u70b9\u3092\u6574\u5408\u6027\u3068\u5fa9\u65e7\u6027\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u8ffd\u8a18\u30ed\u30b0\u3001\u8efd\u91cf\u30d8\u30c3\u30c0\u3001\u30b3\u30df\u30c3\u30c8\u30de\u30fc\u30ab\u30fc\u3001\u8d70\u67fb\u306b\u3088\u308b\u5fa9\u65e7\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u96fb\u6e90\u65ad\u6642\u306b\u58ca\u308c\u306b\u304f\u3044\u6700\u5c0f\u72b6\u614b\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u8a2d\u8a08\u3068\u306f\u4f55\u304b\u2015\u6982\u5ff5\u3068\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/strong><\/h3>\n\n\n\n

\u3053\u3053\u3067\u3044\u3046\u30d0\u30c3\u30d5\u30a1\u30ec\u30b9\u306f\u4e00\u5207\u306eRAM\u30d0\u30c3\u30d5\u30a1\u3092\u6301\u305f\u306a\u3044\u3067\u306f\u306a\u304f\u3001\u4fdd\u5b58\u306e\u305f\u3081\u306e\u5927\u304d\u306a\u5f85\u907f\u9818\u57df\u3092\u524d\u63d0\u306b\u3057\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u53d6\u5f97\u76f4\u5f8c\u306bFRAM\u3078\u8ffd\u8a18\u3057\u3001\u5f8c\u6bb5\u51e6\u7406\u306f\u5fc5\u8981\u306a\u3089\u5225\u306e\u8aad\u307f\u51fa\u3057\u30bf\u30b9\u30af\u3067\u884c\u3046\u69cb\u6210\u304c\u57fa\u672c\u3067\u3059\u3002\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u3057\u3066\u306f\u3001\u56fa\u5b9a\u9577\u30ec\u30b3\u30fc\u30c9\u3092\u9806\u6b21\u66f8\u304d\u8fbc\u307f\u3001\u30ec\u30b3\u30fc\u30c9\u672b\u5c3e\u306b\u6574\u5408\u6027\u691c\u67fb\u7528\u306eCRC\u3092\u4ed8\u3051\u3001\u6700\u5f8c\u306b\u30b3\u30df\u30c3\u30c8\u30d0\u30a4\u30c8\u3092\u66f4\u65b0\u3059\u308b\u6d41\u308c\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u9014\u4e2d\u3067\u96fb\u6e90\u304c\u843d\u3061\u3066\u3082\u3001\u30b3\u30df\u30c3\u30c8\u672a\u5b8c\u4e86\u306e\u30ec\u30b3\u30fc\u30c9\u3060\u3051\u3092\u7121\u52b9\u3068\u3057\u3066\u6271\u3048\u307e\u3059\u3002\u72b6\u614b\u6570\u3092\u6700\u5c0f\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u30ed\u30b0\u69cb\u9020\u3068\u30dd\u30a4\u30f3\u30bf\u7ba1\u7406\u624b\u6cd5<\/strong><\/h3>\n\n\n\n

\u5b9f\u88c5\u306e\u8981\u306f\u3001\u66f8\u304d\u8fbc\u307f\u4f4d\u7f6e\u3092\u793a\u3059\u30dd\u30a4\u30f3\u30bf\u3068\u3001\u30ed\u30b0\u306e\u6709\u52b9\u7bc4\u56f2\u3092\u793a\u3059\u60c5\u5831\u3092\u3069\u3046\u6301\u3064\u304b\u3067\u3059\u3002\u63a8\u5968\u306f\u3001\u30c7\u30fc\u30bf\u9818\u57df\u3068\u306f\u5225\u306b\u5c0f\u3055\u306a\u7ba1\u7406\u9818\u57df\u3092\u8a2d\u3051\u3001\u4e16\u4ee3\u756a\u53f7\u4ed8\u304d\u306e\u30dd\u30a4\u30f3\u30bf\u30ec\u30b3\u30fc\u30c9\u3092\u4ea4\u4e92\u306b\u66f8\u304f\u4e8c\u91cd\u5316\u3067\u3059\u3002\u8d77\u52d5\u6642\u306f\u7ba1\u7406\u9818\u57df\u3092\u8d70\u67fb\u3057\u3066\u6700\u65b0\u4e16\u4ee3\u3092\u9078\u3073\u3001\u30c7\u30fc\u30bf\u9818\u57df\u306f\u305d\u306e\u4f4d\u7f6e\u304b\u3089\u5148\u982d\u306b\u5411\u3051\u3066\u691c\u67fb\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u672c\u4f53\u306f\u56fa\u5b9a\u9577\u306b\u3059\u308b\u3068\u8d70\u67fb\u304c\u901f\u304f\u3001\u53ef\u5909\u9577\u306b\u3059\u308b\u5834\u5408\u306f\u9577\u3055\u3068CRC\u3092\u5fc5\u305a\u542b\u3081\u307e\u3059\u3002FRAM\u306a\u3089\u7ba1\u7406\u9818\u57df\u306e\u66f4\u65b0\u983b\u5ea6\u3092\u4e0a\u3052\u3066\u3082\u8ca0\u62c5\u304c\u5c0f\u3055\u304f\u3001\u96fb\u6e90\u65ad\u306b\u5f37\u3044\u904b\u7528\u304c\u53d6\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u5b9f\u88c5\u4e0a\u306e\u8a2d\u8a08\u30dd\u30a4\u30f3\u30c8\u3068\u6ce8\u610f\u4e8b\u9805<\/strong><\/h3>\n\n\n\n

\u6ce8\u610f\u70b9\u306f\u30a2\u30c8\u30df\u30c3\u30af\u6027\u3068\u9806\u5e8f\u3067\u3059\u3002\u307e\u305a\u3001\u30ec\u30b3\u30fc\u30c9\u672c\u6587\u3092\u66f8\u304d\u3001\u6b21\u306bCRC\u3084\u9577\u3055\u3092\u542b\u3080\u30d8\u30c3\u30c0\u3092\u78ba\u5b9a\u3057\u3001\u6700\u5f8c\u306b\u30b3\u30df\u30c3\u30c8\u30de\u30fc\u30ab\u30fc\u3092\u66f4\u65b0\u3059\u308b\u9806\u306b\u7d71\u4e00\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30dd\u30a4\u30f3\u30bf\u66f4\u65b0\u306f\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u3088\u308a\u5f8c\u306b\u884c\u3044\u3001\u30dd\u30a4\u30f3\u30bf\u304c\u9032\u3093\u3067\u3044\u308b\u306e\u306b\u30c7\u30fc\u30bf\u304c\u7121\u3044\u72b6\u614b\u3092\u907f\u3051\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u540c\u4e00\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u591a\u91cd\u66f8\u304d\u8fbc\u307f\u304c\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u3001\u7ba1\u7406\u9818\u57df\u3082\u8ffd\u8a18\u578b\u306b\u3057\u3066\u4e16\u4ee3\u756a\u53f7\u3067\u9078\u5225\u3057\u307e\u3059\u3002\u96fb\u5727\u964d\u4e0b\u9014\u4e2d\u3067\u306e\u4e2d\u65ad\u8a66\u9a13\u3092\u884c\u3044\u3001\u8d77\u52d5\u6642\u8d70\u67fb\u304c\u5fc5\u305a\u505c\u6b62\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

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