{"description":"\u826f\u3055\u305d\u3046\u3067\u3059\u306d\u3002 \u4f55\u3084\u3089\u3001\u524d\u306e\u4ed8\u9332\u57fa\u677f\u306f\u5927\u5909\u4e0d\u8a55\u3060\u3063\u305f\u3088\u3046\u3067\u3059\u304c\u3001 \u300c\u4e00\u5473\u9055\u3046\u300d\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001\u671f\u5f85\u5927\u3067\u3059\u3002 \u30b9\u30da\u30c3\u30af\u3092\u898b\u308b\u9650\u308a\u306e\u8a71\u3067\u306f\u3001 \u30b7\u30ea\u30a2\u30ebIF\u304c\u591a\u3044\u306e\u304c\u826f\u3044\u3002 UART*3 SPI*2 I2C*2 \u3068\u6765\u307e\u3057\u305f\u304b\u3089\u306d\u3002 I2C\u3068SPI\u304c\u540c\u6642\u306b\u5b58\u5728\u3059\u308b\u306e\u306f\u3001 \u30b3\u30a2\u304c\u5171\u901a\u3067\u30da\u30ea\u30d5\u30a7\u30e9\u30eb\u3092\u5404\u30e1\u30fc\u30ab\u3067\u8ffd\u52a0\u3059\u308b\u30b9\u30bf\u30f3\u30b9\u306eARM\u30b7\u30ea\u30fc\u30ba\u306a\u3089\u3067\u306f\u3001\u3068\u3044\u3046\u6240\u30fb\u30fb\u306a\u306e\u304b\u306a\uff1f DMA\u304c7ch\u3082\u3042\u308b(\u30b7\u30ea\u30a2\u30ebIF\u306e\u6570\u610f\u8b58\u3057\u3066\u308b\u30fb\u30fb\uff1f)\u306e\u3082\u9ad8\u611f\u5ea6\u5927\u3067\u3059\u3002 \u3082\u3057\u304b\u3057\u305f\u3089\u30e1\u30a4\u30f3\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3053\u308c\u306b\u3059\u308b\u304b\u3082\uff1f \u4eca\u5ea6\u306e\u57fa\u677f\u306b\u4e57\u3063\u3066\u3044\u308bARM\u306fCortex-3M\u30b7\u30ea\u30fc\u30ba\u3068\u3044\u3046\u3089\u3057\u3044\u306e\u3067\u3059\u304c\u3001 \u3053\u308c\u3001ST\u30de\u30a4\u30af\u30ed\u306e\u6c7a\u3081\u2026","blog_title":"sshun@Robot","author_name":"sshun","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/sshun/","categories":["\u65e5\u8a18"],"image_url":null,"height":"190","width":"100%","provider_url":"https://hatena.blog","title":"\u6765\u6708\u306eDesignwave\u4ed8\u9332\u57fa\u677f","version":"1.0","published":"2008-03-12 01:42:08","blog_url":"https://sshun.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsshun.hatenadiary.org%2Fentry%2F20080312%2F1205340128\" title=\"\u6765\u6708\u306eDesignwave\u4ed8\u9332\u57fa\u677f - sshun@Robot\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://sshun.hatenadiary.org/entry/20080312/1205340128","type":"rich"}