{"id":6311,"date":"2019-12-06T03:04:05","date_gmt":"2019-12-05T18:04:05","guid":{"rendered":"http:\/\/happytech.jp\/wordpress\/?p=6311"},"modified":"2020-01-12T03:00:17","modified_gmt":"2020-01-11T18:00:17","slug":"ems-measures-and-wdt-for-mcu-prototype-development","status":"publish","type":"post","link":"https:\/\/happytech.jp\/wordpress\/2019\/12\/06\/ems-measures-and-wdt-for-mcu-prototype-development\/","title":{"rendered":"MCU\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u306eEMS\u5bfe\u7b56\u3068WDT"},"content":{"rendered":"

\u30ce\u30a4\u30ba\u3084\u9759\u96fb\u6c17\u306b\u3088\u308bMCU\u8aa4\u52d5\u4f5c\u306b\u95a2\u3059\u308b\u8208\u5473\u6df1\u3044\u8a18\u4e8b\u304cEDN Japan\u306b\u9023\u8f09\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u3069\u306e\u30ce\u30a4\u30ba\u5bfe\u7b56\u304c\u6700\u3082\u52b9\u679c\u7684\u304b\uff1f EMS\u5bfe\u7b56\u3092\u6bd4\u8f03\u3010\u6e96\u5099\u7de8\u3011<\/a>\u30012019\u5e7410\u670830\u65e5
\n\u6700\u3082\u52b9\u679c\u7684\u306a\u30ce\u30a4\u30ba\u5bfe\u7b56\u5224\u660e\uff01\u00a0 EMS\u5bfe\u7b56\u3092\u6bd4\u8f03\u3010\u5b9f\u9a13\u7de8\u3011<\/a>\u30012019\u5e7411\u670829\u65e5<\/p>\n

EMS\uff1a\uff08ElectroMagnetic Susceptibility\uff1a\u96fb\u78c1\u8010\u6027\uff09\u3068\u306f\u3001\u30ce\u30a4\u30ba\u304c\u591a\u3044\u74b0\u5883\u3067\u3082\u88fd\u54c1\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u80fd\u529b\u3067\u3059\u3002<\/p>\n

MCU\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u6642\u306b\u3082\u5229\u7528\u3059\u3079\u304dEMS\u5bfe\u7b56\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u672c\u7a3f\u3067\u307e\u3068\u3081\u307e\u3059\u3002\u307e\u305f\u3001\u30ce\u30a4\u30ba\u3084\u9759\u96fb\u6c17\u306b\u3088\u308bMCU\u8aa4\u52d5\u4f5c\u3092\u9632\u3050\u624b\u6bb5\u3068\u3057\u3066WDT\uff1aWatch Dog Timer\u3082\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n

\u5b9f\u9a13\u65b9\u6cd5\u3068\u8a55\u4fa1\u7d50\u679c<\/h2>\n

\u8a18\u4e8b\u306f\u3001\u30a4\u30f3\u30d1\u30eb\u30b9\u30ce\u30a4\u30ba\u30b7\u30e5\u30df\u30ec\u30fc\u30bf\u3067\u751f\u6210\u3057\u305f\u30ce\u30a4\u30ba\u3092\u3001EMS\u5bfe\u7b56\u6709\u308a\/\u7121\u3057\u306eMCU\u5b9f\u9a13\u30dc\u30fc\u30c9\u306b\u52a0\u3048\u3001LED\u70b9\u6ec5\u52d5\u4f5c\u306e\u7570\u5e38\u3092\u76ee\u8996\u78ba\u8a8d\u3057\u3001\u305d\u306e\u6642\u70b9\u306e\u30ce\u30a4\u30ba\u30ec\u30d9\u30eb\u3067EMS\u5bfe\u7b56\u52b9\u679c\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n

\u8a55\u4fa1\u7d50\u679c\u304c\u300111\u670829\u65e5\u8a18\u4e8b\u306e\u56f35\u306b\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u7d50\u679c\u304b\u3089\u3001\u8cbb\u7528\u5bfe\u52b9\u679c\u304c\u6700\u3082\u9ad8\u3044EMS\u5bfe\u7b56\u306f\u3001MCU\u5b9f\u9a13\u30dc\u30fc\u30c9\u306e\u5165\u529b\u7dda\u3092\u306a\u308b\u3079\u304f\u77ed\u304f\u649a\u7dda\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002EMS\u5bfe\u7b56\u7528\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30c1\u30e7\u30fc\u30af\u30b3\u30a4\u30eb\u306f\u3001\u4ed5\u69d8\u3084\u30d1\u30fc\u30c4\u9078\u5b9a\u3067\u52b9\u679c\u304c\u5de6\u53f3\u3055\u308c\u308b\u3068\u6ce8\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

MCU\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u6642\u306e\u304a\u52e7\u3081EMS\u5bfe\u7b56<\/h1>\n

MCU\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u306f\u3001\u30d9\u30f3\u30c0\u63d0\u4f9b\u306eMCU\u8a55\u4fa1\u30dc\u30fc\u30c9\u306b\u3001\u5404\u7a2e\u30bb\u30f3\u30b5\u30fbSW\u306a\u3069\u306e\u5165\u529b\u3001LCD\u30fbLED\u306a\u3069\u306e\u51fa\u529b\u3092\u8ffd\u52a0\u3057\u3001\u5236\u5fa1\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u958b\u767a\u3057\u307e\u3059\u3002\u5165\u51fa\u529b\u306e\u8ffd\u52a0\u306f\u3001Arduino\u306a\u3069\u306e\u30b3\u30cd\u30af\u30bf\u7d4c\u7531\u3068\u914d\u7dda\u306e\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8a00\u308f\u3070\u30d0\u30e9\u30c3\u30af\u5efa\u3066\u8a55\u4fa1\u30b7\u30b9\u30c6\u30e0\u306a\u306e\u3067\u3001\u30ce\u30a4\u30ba\u3084\u9759\u96fb\u6c17\u306b\u5bfe\u3057\u3066\u654f\u611f\u3067\u3059\u3002<\/p>\n

\u3053\u306eMCU\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u6642\u306e\u304a\u52e7\u3081EMS\u5bfe\u7b56\u304c\u4e0b\u8a18\u3067\u3059\u3002<\/p>\n

1\uff0e\u914d\u7dda\u3067\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306f\u3001\u7279\u306b\u5165\u529b\u4fe1\u53f7\/GND\u306e\u30da\u30a2\u7dda\u3092\u3001\u624b\u3067\u306d\u3058\u308a\u649a\u7dda\u5316\uff08Twisted pair\uff09\u3060\u3051\u3067\u9ad8\u3044EMS\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8eab\u8fd1\u306a\u4f8b\u306fLAN\u30b1\u30fc\u30d6\u30eb\u3067\u3001\u8272\u4ed8\u304d\u4fe1\u53f7\u7dda\u3068\u767d\u8272GND\u306e4\u7d44Twisted pair\u304c\u675f\u306d\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eTwisted pair\u306e\u304a\u304b\u3052\u3067\u3001\u69d8\u3005\u306a\u5916\u6765\u30ce\u30a4\u30ba\u3092\u9632\u304eLAN\u306e\u4fe1\u53f7\u4f1d\u9054\u304c\u3067\u304d\u308b\u8a33\u3067\u3059\u3002<\/p>\n

\"\u4fe1\u53f7\u3068GND\u306e4\u7d44Twisted
\u4fe1\u53f7\u3068GND\u306e4\u7d44Twisted pair\u3092\u675f\u306d\u30ce\u30a4\u30ba\u5bfe\u7b56\u3092\u3059\u308bLAN\u30b1\u30fc\u30d6\u30eb<\/figcaption><\/figure>\n

2\uff0e\u30bb\u30f3\u30b5\u304b\u3089\u306e\u30a2\u30ca\u30ed\u30b0\u5165\u529b\u4fe1\u53f7\u306b\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b\u5e73\u5747\u5316\u3067\u30ce\u30a4\u30ba\u5bfe\u7b56\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u306b\u306f\u3001\u30ce\u30a4\u30ba\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002MCU\u5185\u8535ADC\u3067\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u3092\u30c7\u30b8\u30bf\u30eb\u5316\u3001\u8907\u6570\u56de\u306eADC\u5e73\u5747\u5024\u3092\u8a08\u7b97\u3059\u308c\u3070\u30ce\u30a4\u30ba\u6210\u5206\u306f\u30ad\u30e3\u30f3\u30bb\u30eb\u3067\u304d\u307e\u3059\u3002\u5e73\u5747\u56de\u6570\u3084ADC\u5468\u671f\u3092\u691c\u8a0e\u3059\u308b\u6642\u3001\u5165\u529b\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u304c\u649a\u7dda\u3068\u5e73\u884c\u7dda\u3067\u306f\u30012\u500d\u4ee5\u4e0a\uff08\u56f35\u306e2.54\u500d\u3088\u308a\uff09\u306e\u30ce\u30a4\u30ba\u5dee\u304c\u751f\u3058\u308b\u306e\u3067\u91cd\u8981\u306a\u30d5\u30a1\u30af\u30bf\u30fc\u3067\u3059\u3002\u5f93\u3063\u3066\u3001\u649a\u7dda\u3067\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002
\n\u5e73\u5747\u56de\u6570\u3084ADC\u5468\u671f\u306f\u3001\u30d1\u30e9\u30e1\u30bf\u8a2d\u5b9a\u3067\u304d\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u4f5c\u308a\u304c\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n

3\uff0eSW\u304b\u3089\u306e\u5165\u529b\u306b\u306f\u3001\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u5bfe\u7b56\u304c\u5fc5\u9808\u3067\u3059\u3002\u6570\u30df\u30ea\u79d2\u5468\u671f\u3067SW\u5165\u529b\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3001\u8907\u6570\u56de\u306e\u5165\u529b\u4e00\u81f4\u3067SW\u5024\u3068\u3059\u308b\u306a\u3069\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002
\n\u203b\u5f0a\u793e\u8ca9\u58f2\u4e2d\u306eMCU\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/a>\u306b\u306f\u3001\u4e0a\u8a18ADC\u3068SW\u306eEMS\u5bfe\u7b56\u3092\u7d44\u8fbc\u307f\u6e08\u307f\u3067\u3059\u3002<\/p>\n

4\uff0eEMS\u5bfe\u7b56\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3084\u30c1\u30e7\u30fc\u30af\u30b3\u30a4\u30eb\u306a\u3069\u306e\u53d7\u52d5\u90e8\u54c1\u30d1\u30fc\u30c4\u9078\u5b9a\u306b\u306f\u3001\u30d9\u30f3\u30c0\u8a55\u4fa1\u30dc\u30fc\u30c9\u306e\u90e8\u54c1\u8868\uff08BOM\uff1aBill Of Matrix\uff09\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002BOM\u306b\u306f\u3001\u52d5\u4f5c\u5b9f\u7e3e\u3068\u4fe1\u983c\u6027\u304c\u3042\u308b\u90e8\u54c1\u30e1\u30fc\u30ab\u30fc\u540d\u3001\u578b\u756a\u3001\u4ed5\u69d8\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30d9\u30f3\u30c0MCU\u8a55\u4fa1\u30dc\u30fc\u30c9\u306f\u3001\u958b\u767a\u30ce\u30a6\u30cf\u30a6\u6e80\u8f09\u3067MCU\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u958b\u767a\u306e\u624b\u672c\uff08\uff1d\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u8a00\u3048\u3070\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff09\u3067\u3059\u3002<\/p>\n

\u7279\u306b\u3001\u65b0\u767a\u58f2MCU\u3092\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u306b\u4f7f\u3046\u5834\u5408\u3084\u3001MCU\u96fb\u6e90\u5165\u529b\u30d4\u30f3\u3068\u30b3\u30f3\u30c7\u30f3\u30b5\u306e\u7269\u7406\u914d\u7f6e\u306f\u3001BOM\u5229\u7528\u306b\u52a0\u3048\u3001\u90e8\u54c1\u914d\u7f6e\u3084\u30d1\u30bf\u30fc\u30f3\u8a2d\u8a08\u3082\u3001MCU\u8a55\u4fa1\u30dc\u30fc\u30c9\u3092\u53c2\u8003\u66f8\u3068\u3057\u3066\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002
\n\u203bPCB\u8a2d\u8a08\u306b\u5f79\u7acb\u3064\u8a55\u4fa1\u30dc\u30fc\u30c9\u30c7\u30b6\u30a4\u30f3\u8cc7\u6599\u306f\u3001\u30d9\u30f3\u30c0\u30b5\u30a4\u30c8\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

MCU\u8aa4\u52d5\u4f5c\u9632\u6b62\u306e\u6700\u7d42\u624b\u6bb5WDT<\/h2>\n

EMS\u5bfe\u7b56\u306f\u3001\u8aa4\u52d5\u4f5c\u306e\u4e88\u9632\u5bfe\u7b56\u3067\u3059\u3002EMS\u5bfe\u7b56\u3092\u3057\u3066\u3082\u6b8b\u5ff5\u306a\u304c\u3089\u767a\u751f\u3059\u308b\u30ce\u30a4\u30ba\u3084\u9759\u96fb\u6c17\u306b\u3088\u308bMCU\u8aa4\u52d5\u4f5c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30ec\u30d9\u30eb\u3067\u9632\u3050\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u624b\u6bb5\u304c\u3001MCU\u5185\u8535WDT\u3067\u3059\u3002<\/p>\n

WDT\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u8d77\u52d5\u3068\u30ea\u30bb\u30c3\u30c8\u306e\u307f\u304c\u53ef\u80fd\u306a\u3001\u3044\u308f\u3070\u6642\u9650\u7206\u5f3e\u3067\u3059\u3002WDT\u3092\u4e00\u65e6\u8d77\u52d5\u3059\u308b\u3068\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5b9a\u671f\u7684\u306b\u30ea\u30bb\u30c3\u30c8\u3057\u306a\u3044\u9650\u308a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\u3092\u767a\u751f\u3057\u307e\u3059\u3002\u5f93\u3063\u3066\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3082\u518d\u8d77\u52d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u6642\u9650\u7206\u5f3e\u3092\u7206\u767a\uff08\uff1d\u30b7\u30b9\u30c6\u30e0\u30ea\u30bb\u30c3\u30c8\uff09\u3055\u305b\u306a\u3044\u305f\u3081\u306b\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3001WDT\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u7d9a\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5b9a\u671f\u7684\u306aWDT\u30ea\u30bb\u30c3\u30c8\u304c\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6b63\u5e38\u52d5\u4f5c\u72b6\u614b\u306a\u306e\u3067\u3059\u3002<\/p>\n

\u30ce\u30a4\u30ba\u3084\u9759\u96fb\u6c17\u3067MCU\u52d5\u4f5c\u505c\u6b62\u3001\u307e\u305f\u306f\u51e6\u7406\u4f4d\u7f6e\u304c\u7570\u5e38\u306b\u306a\u3063\u305f\u6642\u306f\u3001\u3053\u306e\u5b9a\u671fWDT\u30ea\u30bb\u30c3\u30c8\u304c\u7121\u304f\u306a\u308b\u305f\u3081\u3001\u6642\u9650\u7206\u5f3e\u304c\u7206\u767a\u3001\u5c11\u306a\u304f\u3068\u3082\u7570\u5e38\u72b6\u614b\u7d99\u7d9a\u304b\u3089\u306f\u5fa9\u5e30\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u3088\u3046\u306bWDT\u306fMCU\u8aa4\u52d5\u4f5c\u3092\u9632\u3050\u6700\u5f8c\u306e\u5b89\u5168\u5bfe\u7b56\u3067\u3059\u3002\u91cd\u8981\u6a5f\u80fd\u3067\u3059\u306e\u3067\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a\u3067\u3082WDT\u3092\u5b9f\u88c5\u3057\u3001\u52d5\u4f5c\u78ba\u8a8d\u3082\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n

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