{"id":599,"date":"2024-11-24T20:07:31","date_gmt":"2024-11-24T11:07:31","guid":{"rendered":"https:\/\/microelectronica.jp\/wiki\/?p=599"},"modified":"2024-11-24T21:35:46","modified_gmt":"2024-11-24T12:35:46","slug":"1-%e3%82%a4%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%95%e3%82%a7%e3%82%a4%e3%82%b9%e3%83%94%e3%83%b3%e3%81%a8%e9%9b%bb%e6%ba%90%e9%9b%bb%e5%9c%a7%e8%a8%ad%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/microelectronica.jp\/wiki\/?p=599","title":{"rendered":"(1) \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u30d4\u30f3\u3068\u96fb\u6e90\u96fb\u5727\u8a2d\u5b9a"},"content":{"rendered":"<div><strong><a href=\"https:\/\/www.microchip.com\/en-us\/product\/MCP2221A\">MCP2221A<\/a><\/strong>\u642d\u8f09 USB-I2C\/UART\u5909\u63db\u30dc\u30fc\u30c9(USB-UARTI2C)\u306f\u3001USB\u7d4c\u7531\u3067\u30d1\u30bd\u30b3\u30f3\u304b\u3089I2C\u901a\u4fe1\u3068UART\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30dc\u30fc\u30c9\u3067\u3059\u3002USB-UART\u5909\u63db\u306eIC\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u304c\u672c\u88fd\u54c1\u3067\u306fI2C\u901a\u4fe1\u3082\u53ef\u80fd\u3067\u3059\u3002<\/div>\n<div><\/div>\n<div><\/div>\n<div><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.microtechnica2.com\/img\/218.jpg\" width=\"400\" height=\"259\" alt=\"\" \/><\/div>\n<div><\/div>\n<div>\u30de\u30a4\u30af\u30ed\u30c1\u30c3\u30d7\u793e\u306e<strong><a href=\"https:\/\/www.microchip.com\/en-us\/product\/MCP2221A\">MCP2221A<\/a><\/strong>\u306b\u3088\u308aUART\u901a\u4fe1\u306f300bps\uff5e460800bps\u307e\u3067\u5bfe\u5fdc\u3001I2C\u901a\u4fe1\u306f\u6700\u9ad8400kHz\u30af\u30ed\u30c3\u30af\u3067\u901a\u4fe1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/div>\n<div><\/div>\n<div>UART\u901a\u4fe1\u306fUSB CDC\u306b\u3088\u308b\u901a\u4fe1\u3068\u306a\u308a\u30d1\u30bd\u30b3\u30f3\u3068\u63a5\u7d9a\u3059\u308b\u3068\u4eee\u60f3COM\u30dd\u30fc\u30c8\u304c\u4f5c\u3089\u308c\u307e\u3059\u3002<\/div>\n<div>I2C\u901a\u4fe1\u306e\u5834\u5408\u30d1\u30bd\u30b3\u30f3\u3068\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306fUSB\u306eHID\u901a\u4fe1(\u30d2\u30e5\u30fc\u30de\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u30c7\u30d0\u30a4\u30b9)\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u307e\u3059\u300264\u30d0\u30a4\u30c8\u30d0\u30c3\u30d5\u30a1\u306b\u3088\u3063\u3066\u6700\u592765535\u30d0\u30a4\u30c8\u30d6\u30ed\u30c3\u30af\u3067\u306e\u30ea\u30fc\u30c9\u3001\u30e9\u30a4\u30c8\u304c\u53ef\u80fd\u3067\u3059\u3002<\/div>\n<div><\/div>\n<div>\n<h3 id=\"headline3\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u30d4\u30f3\u3068\u96fb\u6e90\u9078\u629e\u30b8\u30e3\u30f3\u30d1\u30fc\u306e\u8a73\u7d30<\/h3>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2024\/08\/ui2c_B.jpg\" alt=\"\" width=\"512\" height=\"254\" class=\"alignnone wp-image-297\" \/><\/div>\n<div><\/div>\n<div>\n<table style=\"border-collapse: collapse; width: 100%; height: 216px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">\u30d4\u30f3\u6570<\/td>\n<td style=\"width: 11.4415%; text-align: center; height: 24px;\">\u8a18\u53f7<\/td>\n<td style=\"width: 76.7116%; height: 24px; text-align: center;\">\u8a73\u3000\u7d30<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">1<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">TX<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">UART\u901a\u4fe1 TX\u30d4\u30f3\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">2<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">RX<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">UART\u901a\u4fe1 RX\u30d4\u30f3\uff08\u53d7\u4fe1\u30c7\u30fc\u30bf\uff09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">3<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">SCL<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">I2C\u901a\u4fe1 SCL \uff08\u30af\u30ed\u30c3\u30af\uff09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">4<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">SDA<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">I2C\u901a\u4fe1 SDA\uff08\u30c7\u30fc\u30bf\uff09<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">5<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">G<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">GND<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">6<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">3V3<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">3.3V\u96fb\u6e90<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">7<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">G<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">GND<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 11.8468%; text-align: center; height: 24px;\">8<\/td>\n<td style=\"width: 11.4415%; height: 24px; text-align: center;\">5V<\/td>\n<td style=\"width: 76.7116%; height: 24px;\">5.0V\u96fb\u6e90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u96fb\u6e90\u96fb\u5727\u306f3.3V\u304b5V\u3067\u3059\u304c\u3001\u7d66\u96fb\u524d\u306b\u96fb\u5727\u306e\u8a2d\u5b9a\u3092\u30b8\u30e3\u30f3\u30d1\u30fc\u306b\u3066\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u96fb\u6e90\u96fb\u5727\u3068UART\u3001I2C\u901a\u4fe1\u306e\u30ed\u30b8\u30c3\u30af\u4fe1\u53f7\u96fb\u5727\u30ec\u30d9\u30eb\u306f\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u5fc5\u305a\u4e0b\u8a18\u306e\u65b9\u6cd5\u3067\u96fb\u6e90\u96fb\u5727\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/microelectronica.jp\/wiki\/wp-content\/uploads\/2024\/08\/ui2c_c.jpg\" alt=\"\" width=\"371\" height=\"208\" class=\"alignnone wp-image-299\" \/><\/p>\n<p>\u5fc5\u305a2\u3064\u306e\u30b8\u30e3\u30f3\u30d1\u30fc\u30bd\u30b1\u30c3\u30c8\u3092<span style=\"color: #ff0000;\"><strong>\u540c\u3058\u4f4d\u7f6e\u306b\u4e26\u3079\u3066<\/strong><\/span>\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u8a2d\u5b9a\u3092\u3057\u306a\u3044\u3068\u6b63\u3057\u304f\u96fb\u6e90\u304c\u4f9b\u7d66\u3055\u308c\u305a\u3001\u307e\u305f\u30ed\u30b8\u30c3\u30af\u4fe1\u53f7\u306e\u96fb\u5727\u30ec\u30d9\u30eb\u304c\u6b63\u3057\u304f\u8a2d\u5b9a\u3055\u308c\u306a\u3044\u305f\u3081\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span style=\"text-decoration: underline;\"><span style=\"color: #339966; text-decoration: underline;\"><strong>3.3V\u4f7f\u7528\u6642\u306b\u8a2d\u5b9a\u3057\u305f\u6642<\/strong><\/span><\/span>\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u30d4\u30f3\u306e&#8221;3V3&#8243;\u30d4\u30f3\u3068&#8221;GND&#8221;\u30d4\u30f3\u9593\u306b3.3V\u96fb\u5727\u3092\u5370\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u3068\u304d\u306f&#8221;5V&#8221;\u30d4\u30f3\u306b\u96fb\u5727\u306f\u7d66\u96fb\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<p><span style=\"text-decoration: underline; color: #339966;\"><strong>5V\u4f7f\u7528\u6642\u306b\u8a2d\u5b9a\u3057\u305f\u6642<\/strong><\/span>\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u30d4\u30f3\u306e&#8221;5V&#8221;\u30d4\u30f3\u3068&#8221;GND&#8221;\u30d4\u30f3\u9593\u306b5V\u96fb\u5727\u3092\u5370\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u3068\u304d\u306f&#8221;3V3&#8243;\u30d4\u30f3\u306b\u96fb\u5727\u306f\u7d66\u96fb\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MCP2221A\u642d\u8f09 USB-I2C\/UART\u5909\u63db\u30dc\u30fc\u30c9(USB-UARTI2C)\u306f\u3001USB\u7d4c\u7531\u3067\u30d1\u30bd\u30b3\u30f3\u304b\u3089I2C\u901a\u4fe1\u3068UART\u901a\u4fe1\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30dc\u30fc\u30c9\u3067\u3059\u3002USB-UART\u5909\u63db\u306eIC\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u304c\u672c\u88fd\u54c1\u3067\u306fI2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-599","post","type-post","status-publish","format-standard","hentry","category-mcp2221a-usb-i2c-uart-usb-uarti2c-"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=599"}],"version-history":[{"count":6,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/599\/revisions"}],"predecessor-version":[{"id":627,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/599\/revisions\/627"}],"wp:attachment":[{"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microelectronica.jp\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}