{"type":"rich","height":"190","description":"\u524d\u632f\u308a(\u306a\u304c\u3044) \u6628\u5e748\u6708\u307e\u3067\u8a2d\u8a08\u306f 74595 \u3092 3 \u3064\u306b\u3057\u3066\u3001 CPU PHI2, CPU ROMSEL \u3068\u3044\u3063\u305f\u5236\u5fa1\u7dda\u306f GPIO \u3067\u5236\u5fa1\u3057\u3066\u3044\u305f\u304c\u3001 flash programming \u306e\u6027\u80fd\u304c\u3088\u304f\u306a\u3044(\u5177\u4f53\u7684\u306b\u306f\u30bd\u30fc\u30b9\u304c\u8907\u96d1\u306b\u306a\u308a\u3059\u304e\u308b\u4e0a\u306b\u9045\u3044)\u306e\u3067\u5236\u5fa1\u7dda\u3082 74595 \u3092 1\u3064\u8ffd\u52a0\u3057\u3066 DMA \u3067\u52d5\u304b\u3059\u3053\u3068\u306b\u3057\u305f.ROM dump \u3067\u306f address \u304c increment, data \u51fa\u529b\u306f\u4e0d\u8981. \u3053\u306e\u5834\u5408\u306f\u52d5\u304b\u3059 address 16 bit \u3067 74595 \u306f 2 \u500b\u3067\u3059\u3080\u305f\u3081\u8ffd\u52a0\u3057\u305f\u5236\u5fa1\u7dda\u306e DMA \u3092\u5229\u7528\u3059\u308b\u304b\u306f\u6761\u4ef6\u3092\u8a2d\u5b9a\u3057\u3066\u5207\u308a\u66ff\u3048\u308b\u3088\u3046\u306b\u3057\u305f. \u4e00\u65b9 flash \u2026","version":"1.0","image_url":null,"title":"\u958b\u767a\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/na6ko/","categories":[],"width":"100%","author_name":"na6ko","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://na6ko.hatenadiary.jp/entry/2023/08/18/014526","published":"2023-08-18 01:45:26","blog_title":"naruko\u306e\u958b\u767a\u30e1\u30e2","blog_url":"https://na6ko.hatenadiary.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fna6ko.hatenadiary.jp%2Fentry%2F2023%2F08%2F18%2F014526\" title=\"\u958b\u767a\u65e5\u8a18 - naruko\u306e\u958b\u767a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}