{"url":"https://yfl711.hateblo.jp/entry/42170065","type":"rich","published":"2009-11-05 23:51:21","blog_title":"CPU\u5b9f\u9a13\u5ba4","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/O/O3I/20190804/20190804120318.jpg","description":"\u30c7\u30fc\u30bf\u30d0\u30b9\u6700\u4e0b\u4f4d8\u30d3\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f74HC574\u306b\u5bfe\u3057\u3066\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30c7\u30fc\u30bf\u3092 \u51fa\u529b\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u307e\u305a\u30ea\u30bb\u30c3\u30c8\u30d9\u30af\u30bf\u306b8000:0000\uff08ROM\u306e\u5148\u982d\uff09\u306bJMP\u3059\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u304a\u304d 8000:0000\u304b\u3089\u52d5\u304b\u3057\u305f\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002 8000:0000 E6 20 loop0:out 0x20,al ;10clock 8000:0002 FE C0 inc al ;2 clock 8000:0004 EB FA jmp loop0 ;9 clock \u3053\u306e\u30eb\u30fc\u30d7\u306f\u516821\u30af\u30ed\u30c3\u30af\u306a\u306e\u3067\u7e70\u8fd4\u3057\u5468\u6ce2\u6570\u306f20MHz/21clock=953kHz\u3068\u306a\u308a\u307e\u3059 ch1:74HC574\u30b9\u30c8\u30ed\u30fc\u30d6\u3001ch\u2026","blog_url":"https://yfl711.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/O3I/","title":"\u30d1\u30e9\u30ec\u30eb\u51fa\u529b\u30c6\u30b9\u30c8","categories":["386","#\u5de5\u5b66"],"author_name":"O3I","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyfl711.hateblo.jp%2Fentry%2F42170065\" title=\"\u30d1\u30e9\u30ec\u30eb\u51fa\u529b\u30c6\u30b9\u30c8 - CPU\u5b9f\u9a13\u5ba4\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190"}