{"id":5011,"date":"2026-01-30T13:00:00","date_gmt":"2026-01-30T04:00:00","guid":{"rendered":"https:\/\/www.ramxeed.com\/jp\/?post_type=column&#038;p=5011"},"modified":"2026-01-30T09:12:48","modified_gmt":"2026-01-30T00:12:48","slug":"qspi-xip-and-real-time-data-logging","status":"publish","type":"column","link":"https:\/\/www.ramxeed.com\/jp\/tech-column\/qspi-xip-and-real-time-data-logging\/","title":{"rendered":"QSPI\u3067XiP\u3068\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3092\u4e21\u7acb\u3055\u305b\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<p>QSPI\u30d5\u30e9\u30c3\u30b7\u30e5\u3067XiP\u3068\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3092\u4e21\u7acb\u3059\u308b\u8a2d\u8a08\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306eRAM\u5c55\u958b\u3084FeRAM\u306e\u6d3b\u7528\u306b\u3088\u3063\u3066\u3001\u66f8\u304d\u8fbc\u307f\u6642\u306e\u8aad\u307f\u51fa\u3057\u5236\u7d04\u3092\u56de\u907f\u3057\u3001\u5b89\u5b9a\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u69cb\u7bc9\u3092\u652f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>QSPI\u3068XiP\u306e\u57fa\u672c\u69cb\u9020\u3092\u7406\u89e3\u3059\u308b<\/strong><\/h2>\n\n\n\n<p>QSPI\u306f\u5916\u90e8\u30d5\u30e9\u30c3\u30b7\u30e5\u3068\u9ad8\u901f\u901a\u4fe1\u3092\u884c\u3044\u3001XiP\u3067RAM\u3092\u7bc0\u7d04\u3057\u3064\u3064\u5927\u898f\u6a21\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u6839\u5e79\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u3088\u308b\u300c\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u30c9\u30fb\u30e2\u30fc\u30c9\u300d\u3067\u3059\u304c\u3001\u5229\u4fbf\u6027\u306e\u88cf\u3067CPU\u304c\u30d0\u30b9\u3092\u5e38\u6642\u5360\u6709\u3059\u308b\u305f\u3081\u3001\u30d5\u30a7\u30c3\u30c1\u52b9\u7387\u3068\u5468\u8fba\u30a2\u30af\u30bb\u30b9\u306e\u7af6\u5408\u5236\u5fa1\u304c\u5b89\u5b9a\u52d5\u4f5c\u306e\u5206\u5c90\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>QSPI\u3068\u306f\u4f55\u304b\uff1f\u30b7\u30ea\u30a2\u30eb\u30d5\u30e9\u30c3\u30b7\u30e5\u3068\u306e\u63a5\u7d9a\u65b9\u5f0f<\/strong><\/h3>\n\n\n\n<p>QSPI\uff08Quad SPI\uff09\u306f\u30014\u672c\u306e\u30c7\u30fc\u30bf\u30e9\u30a4\u30f3\u3092\u540c\u671f\u3055\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5f93\u6765\u306eSPI\u306b\u6bd4\u30794\u500d\u4ee5\u4e0a\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5b9f\u73fe\u3059\u308b\u901a\u4fe1\u65b9\u5f0f\u3067\u3059\u3002\u4e3b\u306b\u5916\u90e8NOR\u30d5\u30e9\u30c3\u30b7\u30e5\u3068\u306e\u63a5\u7d9a\u306b\u5229\u7528\u3055\u308c\u3001\u30b3\u30de\u30f3\u30c9\u30fb\u30a2\u30c9\u30ec\u30b9\u30fb\u30c7\u30fc\u30bf\u306e\u5168\u30d5\u30a7\u30fc\u30ba\u30924\u7dda\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570\u4ee5\u4e0a\u306e\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u8fd1\u5e74\u306e\u30de\u30a4\u30b3\u30f3\u306f\u3001\u3053\u306eQSPI\u3092\u30b7\u30b9\u30c6\u30e0\u30d0\u30b9\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u306e\u5c02\u7528\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u5185\u8535\u3057\u3066\u304a\u308a\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u610f\u8b58\u3059\u308b\u3053\u3068\u306a\u304f\u9ad8\u901f\u306a\u30e1\u30e2\u30ea\u8aad\u307f\u51fa\u3057\u3092\u884c\u3048\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Execute in Place\uff08XiP\uff09\u306e\u6280\u8853\u6982\u5ff5\u3068\u5fc5\u8981\u8981\u4ef6<\/strong><\/h3>\n\n\n\n<p>XiP\u306f\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u4e0a\u306e\u30b3\u30fc\u30c9\u3092RAM\u3078\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u306a\u304f\u76f4\u63a5CPU\u304c\u30d5\u30a7\u30c3\u30c1\u30fb\u5b9f\u884c\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u30de\u30a4\u30b3\u30f3\u5074\u306e\u30e1\u30e2\u30ea\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u5916\u90e8\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u3001\u5185\u90e8\u306e\u30b7\u30b9\u30c6\u30e0\u30a2\u30c9\u30ec\u30b9\u30de\u30c3\u30d7\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002CPU\u304b\u3089\u898b\u308c\u3070\u5916\u90e8\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u4f4e\u901f\u306aROM\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u901f\u5ea6\u5dee\u3092\u88dc\u3046\u305f\u3081\u306b\u3001\u5c02\u7528\u306e\u547d\u4ee4\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u30d0\u30c3\u30d5\u30a1\u306e\u6700\u9069\u5316\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5fdc\u7b54\u6027\u3092\u5de6\u53f3\u3059\u308b\u91cd\u8981\u306a\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>QSPI\u7d4c\u7531\u3067\u306eXiP\u5b9f\u73fe\u306b\u304a\u3051\u308b\u5229\u70b9\u3068\u5236\u9650<\/strong><\/h3>\n\n\n\n<p>QSPI\u3092\u7528\u3044\u305fXiP\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u8d77\u52d5\u6642\u9593\u77ed\u7e2e\u3084BOM\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u306b\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u3082\u305f\u3089\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u300c\u30d0\u30b9\u5360\u6709\u300d\u3068\u3044\u3046\u7269\u7406\u7684\u306a\u5236\u7d04\u3082\u751f\u307f\u307e\u3059\u3002\u30b3\u30fc\u30c9\u5b9f\u884c\u304c\u5916\u90e8\u30d0\u30b9\u3092\u7d4c\u7531\u3059\u308b\u305f\u3081\u3001CPU\u304c\u547d\u4ee4\u3092\u8aad\u307f\u53d6\u3063\u3066\u3044\u308b\u9593\u306f\u3001\u4ed6\u306e\u5468\u8fba\u6a5f\u80fd\u304c\u540c\u3058QSPI\u30d0\u30b9\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u306e\u3088\u3046\u306a\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3092\u4e26\u884c\u3055\u305b\u308b\u5834\u5408\u3001\u5358\u4e00\u306e\u30d1\u30b9\u3092\u596a\u3044\u5408\u3046\u3053\u3068\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u3084\u3001\u5b9f\u884c\u505c\u6b62\u306e\u30ea\u30b9\u30af\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u306e\u5b9f\u88c5\u3068\u8ab2\u984c<\/strong><\/h2>\n\n\n\n<p>\u30ed\u30ae\u30f3\u30b0\u306f\u91cd\u8981\u3067\u3059\u304c\u3001XiP\u74b0\u5883\u3067\u306f\u300c\u5b9f\u884c\u4e2d\u306e\u66f8\u304d\u8fbc\u307f\u300d\u304c\u7269\u7406\u7684\u9650\u754c\u306b\u885d\u7a81\u3057\u307e\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u6607\u5727\u3092\u4f34\u3046\u66f8\u304d\u8fbc\u307f\u4e2d\u3001\u540c\u4e00\u30c1\u30c3\u30d7\u307e\u305f\u306f\u540c\u4e00\u30d0\u30f3\u30af\u5185\u306e\u8aad\u307f\u51fa\u3057\u3092\u62d2\u3080\u300cRead-While-Write\u306e\u5236\u7d04\u300d\u3092\u6301\u3064\u305f\u3081\u3001\u3053\u308c\u3092\u7121\u8996\u3059\u308b\u3068\u547d\u4ee4\u88dc\u7d66\u304c\u65ad\u7d76\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u5373\u5ea7\u306b\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u306e\u5b9a\u7fa9\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong><\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3068\u306f\u3001\u7523\u696d\u6a5f\u5668\u306e\u7a3c\u50cd\u72b6\u614b\u3084IoT\u7aef\u672b\u306e\u30bb\u30f3\u30b5\u30fc\u5024\u3092\u6642\u7cfb\u5217\u3067\u4fdd\u5b58\u3057\u3001\u969c\u5bb3\u89e3\u6790\u3084\u4e88\u5146\u691c\u77e5\u306b\u5f79\u7acb\u3066\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u7279\u306b\u9ad8\u983b\u5ea6\u306a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u3067\u306f\u3001\u66f8\u304d\u8fbc\u307f\u306e\u9045\u5ef6\u304c\u30c7\u30fc\u30bf\u6b20\u640d\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3084\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u306e\u52b9\u7387\u304c\u554f\u308f\u308c\u307e\u3059\u3002QSPI\u30d5\u30e9\u30c3\u30b7\u30e5\u3092\u4fdd\u5b58\u5148\u306b\u9078\u3076\u5834\u5408\u3001\u5927\u5bb9\u91cf\u304b\u3064\u4f4e\u30b3\u30b9\u30c8\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308b\u53cd\u9762\u3001\u66f8\u304d\u8fbc\u307f\u52d5\u4f5c\u304c\u30b7\u30b9\u30c6\u30e0\u30d0\u30b9\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u7121\u8996\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>QSPI\u30d5\u30e9\u30c3\u30b7\u30e5\u3078\u306e\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3068\u5236\u7d04\u4e8b\u9805<\/strong><\/h3>\n\n\n\n<p>QSPI\u30d5\u30e9\u30c3\u30b7\u30e5\u3078\u306e\u66f8\u304d\u8fbc\u307f\uff08Program\uff09\u3084\u6d88\u53bb\uff08Erase\uff09\u306f\u3001\u8aad\u307f\u51fa\u3057\u306b\u6bd4\u3079\u3066\u5727\u5012\u7684\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u51e6\u7406\u3067\u3059\u3002\u307e\u305f\u3001\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306b\u306f\u300c\u66f8\u304d\u8fbc\u307f\u30fb\u6d88\u53bb\u4e2d\u306f\u3001\u540c\u3058\u30c1\u30c3\u30d7\u5185\u306e\u3069\u306e\u9818\u57df\u304b\u3089\u3082\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u305b\u306a\u3044\uff08Read-While-Write\u4e0d\u53ef\uff09\u300d\u3068\u3044\u3046\u7269\u7406\u7684\u306a\u5236\u7d04\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5236\u7d04\u4e0b\u3067\u30ed\u30ae\u30f3\u30b0\u3092\u884c\u3046\u3068\u3001\u66f8\u304d\u8fbc\u307f\u547d\u4ee4\u3092\u767a\u884c\u3057\u305f\u77ac\u9593\u306bXiP\u306b\u3088\u308b\u547d\u4ee4\u30d5\u30a7\u30c3\u30c1\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3001CPU\u304c\u5373\u5ea7\u306b\u30cf\u30fc\u30c9\u30d5\u30a9\u30fc\u30eb\u30c8\u3092\u8d77\u3053\u3059\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30ed\u30b0\u4fdd\u5b58\u3068XiP\u306e\u540c\u6642\u52d5\u4f5c\u306b\u6f5c\u3080\u7af6\u5408\u30ea\u30b9\u30af<\/strong><\/h3>\n\n\n\n<p>XiP\u3068\u30ed\u30ae\u30f3\u30b0\u3092\u5171\u5b58\u3055\u305b\u308b\u969b\u306e\u6700\u5927\u306e\u8ab2\u984c\u306f\u3001\u3053\u306e\u300c\u8aad\u307f\u66f8\u304d\u7af6\u5408\u300d\u306b\u3088\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30cf\u30f3\u30b0\u30a2\u30c3\u30d7\u3067\u3059\u3002\u30ed\u30b0\u30921\u30d0\u30a4\u30c8\u66f8\u304d\u8fbc\u3080\u3060\u3051\u3067\u3082\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u5074\u304c\u300cBusy\u300d\u72b6\u614b\u306b\u306a\u308c\u3070\u3001\u305d\u306e\u9593CPU\u306f\u6b21\u306e\u547d\u4ee4\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u30d2\u30c3\u30c8\u3057\u3066\u3044\u308b\u9593\u306f\u52d5\u4f5c\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3059\u304c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30df\u30b9\u304c\u767a\u751f\u3057\u305f\u77ac\u9593\u306b\u30b7\u30b9\u30c6\u30e0\u304c\u505c\u6b62\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3001\u5358\u306a\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5de5\u592b\u3060\u3051\u3067\u306a\u304f\u3001\u30e1\u30e2\u30ea\u914d\u7f6e\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u7279\u6027\u3092\u6d3b\u304b\u3057\u305f\u56de\u907f\u7b56\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>XiP\u3068\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3092\u4e21\u7acb\u3055\u305b\u308b\u8a2d\u8a08\u6226\u7565<\/strong><\/h2>\n\n\n\n<p>\u4e21\u6a5f\u80fd\u3092\u5b89\u5b9a\u3057\u3066\u5171\u5b58\u3055\u305b\u308b\u306b\u306f\u3001\u7269\u7406\u7684\u306a\u885d\u7a81\u3092\u56de\u907f\u3059\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u5236\u7d04\u3092\u300c\u5b9f\u884c\u30b3\u30fc\u30c9\u306eRAM\u5c55\u958b\u300d\u3068\u3044\u3063\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u624b\u6cd5\u3067\u56de\u907f\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30c7\u30d0\u30a4\u30b9\u9078\u5b9a\u305d\u306e\u3082\u306e\u3092\u6700\u9069\u5316\u3057\u3001FeRAM\uff08\u5f37\u8a98\u96fb\u4f53\u30e1\u30e2\u30ea\uff09\u306e\u300c\u9ad8\u901f\u66f8\u304d\u8fbc\u307f\u300d\u7279\u6027\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u8a08\u96e3\u6613\u5ea6\u3092\u6839\u672c\u304b\u3089\u5f15\u304d\u4e0b\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30b3\u30fc\u30c9\u306e\u5185\u90e8RAM\u914d\u7f6e\u3068\u9818\u57df\u5206\u96e2<\/strong><\/h3>\n\n\n\n<p>\u6700\u3082\u78ba\u5b9f\u306a\u5bfe\u7b56\u306f\u3001\u30ed\u30b0\u66f8\u304d\u8fbc\u307f\u30eb\u30fc\u30c1\u30f3\u3084\u91cd\u8981\u306a\u5272\u308a\u8fbc\u307f\u30cf\u30f3\u30c9\u30e9\u3092\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u3067\u306f\u306a\u304f\u5185\u90e8RAM\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u6307\u5b9a\u3092\u7528\u3044\u3066\u3001\u66f8\u304d\u8fbc\u307f\u4e2d\u306b\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u3042\u3089\u304b\u3058\u3081RAM\u306b\u5c55\u958b\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30d5\u30e9\u30c3\u30b7\u30e5\u304cBusy\u72b6\u614b\u3067\u3042\u3063\u3066\u3082CPU\u306f\u52d5\u4f5c\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30ae\u30f3\u30b0\u306b\u3088\u308bXiP\u306e\u4e00\u6642\u505c\u6b62\u3092\u9632\u304e\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>FeRAM\u306e\u63a1\u7528\u306b\u3088\u308b\u300c\u66f8\u304d\u8fbc\u307f\u5f85\u6a5f\u300d\u306e\u6839\u672c\u7684\u89e3\u6d88<\/strong><\/h3>\n\n\n\n<p>\u30d5\u30e9\u30c3\u30b7\u30e5\u7279\u6709\u306e\u7269\u7406\u7684\u5236\u7d04\u3092\u6253\u7834\u3059\u308b\u6700\u3082\u7c21\u5358\u306a\u89e3\u6c7a\u7b56\u306f\u3001QSPI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6301\u3064FeRAM\u3092\u30ed\u30b0\u4fdd\u5b58\u5148\u306b\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002FeRAM\u306f\u6d88\u53bb\u30b5\u30a4\u30af\u30eb\u304c\u4e0d\u8981\u3067\u3001\u30d0\u30b9\u30b9\u30d4\u30fc\u30c9\u3067\u306e\u9ad8\u901f\u4e0a\u66f8\u304d\u304c\u53ef\u80fd\u306a\u305f\u3081\u3001\u66f8\u304d\u8fbc\u307f\u4e2d\u3082\u30c7\u30d0\u30a4\u30b9\u304c\u300cBusy\u300d\u72b6\u614b\u306b\u9665\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001XiP\u306b\u3088\u308b\u547d\u4ee4\u30d5\u30a7\u30c3\u30c1\u3092\u59a8\u3052\u308b\u3053\u3068\u306a\u304f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306a\u30c7\u30fc\u30bf\u30ed\u30ae\u30f3\u30b0\u3092\u5b8c\u5168\u306b\u4e26\u884c\u5b9f\u884c\u3067\u304d\u3001\u8907\u96d1\u306aRAM\u914d\u7f6e\u8a2d\u8a08\u3092\u5927\u5e45\u306b\u7c21\u7565\u5316\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3068\u30c7\u30fc\u30bf\u4fdd\u5168\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/h3>\n\n\n\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u9762\u3067\u306f\u3001\u96fb\u529b\u906e\u65ad\u306b\u5f37\u3044\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u63a1\u7528\u306b\u52a0\u3048\u3001\u66f8\u304d\u8fbc\u307f\u983b\u5ea6\u3092\u6291\u3048\u308b\u6226\u7565\u304c\u6709\u52b9\u3067\u3059\u3002\u30d5\u30e9\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306fRAM\u30d0\u30c3\u30d5\u30a1\u306b\u84c4\u7a4d\u3057\u3066\u4e00\u62ec\u66f8\u304d\u51fa\u3057\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5bff\u547d\u306e\u9577\u3044FeRAM\u3067\u3042\u308c\u3070\u3001\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3092\u6700\u5c0f\u9650\u306b\u3057\u305f\u5373\u6642\u8a18\u9332\u3082\u73fe\u5b9f\u7684\u3067\u3059\u3002\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u306e\u8ca0\u62c5\u3092\u6e1b\u3089\u3057\u3064\u3064\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u30b8\u30e3\u30fc\u30ca\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u3068\u5b89\u5b9a\u7a3c\u50cd\u3092\u4e21\u7acb\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 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