{"id":1167,"date":"2012-05-08T19:09:55","date_gmt":"2012-05-08T10:09:55","guid":{"rendered":"https:\/\/blog.eldhrimnir.com?p=1167"},"modified":"2012-05-08T19:09:55","modified_gmt":"2012-05-08T10:09:55","slug":"%e3%83%8b%e3%82%ad%e3%82%b7%e3%83%bc%e7%ae%a1%e3%81%ae%e9%a7%86%e5%8b%95%e5%9b%9e%e8%b7%af%e3%81%ae%e8%80%83%e5%af%9f%ef%bc%93","status":"publish","type":"post","link":"https:\/\/blog.eldhrimnir.com\/?p=1167","title":{"rendered":"\u30cb\u30ad\u30b7\u30fc\u7ba1\u306e\u99c6\u52d5\u56de\u8def\u306e\u8003\u5bdf\uff13"},"content":{"rendered":"

\u30e1\u30a4\u30f3\u306eAVR\u5074\u3067\u306e\u76f4\u63a5\u8868\u793a\u306b\u306f\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u3001\u66f4\u306b\u8003\u3048\u3092\u9032\u3081\u307e\u3059\u3002
\n\u7d50\u679c\u7684\u306bMAX7219\u5074\u3067\u884c\u306a\u3063\u3066\u3044\u308b\u51e6\u7406\u3092\u305d\u306e\u307e\u307e\u7f6e\u304d\u63db\u3048\u308c\u3070\u554f\u984c\u304c\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u8003\u3048\u306b\u81f3\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305d\u3053\u3067\u3001\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u304b\u3089\u8868\u793a\u7528\u306e\u30c7\u30fc\u30bf\u3092\u8868\u793a\u7528\u306e\u30de\u30a4\u30b3\u30f3\u306b\u6e21\u3057\u3066\u8868\u793a\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002
\n\u5177\u4f53\u7684\u306b\u306fATtiny2313\u3092\u4f7f\u3063\u3066Atmega644P\u3068\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n

<\/p>\n

\u25a0\u524d\u63d0\u6761\u4ef6
\n\u901a\u4fe1\u65b9\u5f0f\uff1aSPI(3\u7dda) or I2C(2\u7dda)
\n\u5fc5\u8981\u30d4\u30f3\u6570\uff1aSN74141N(4\u7dda)+\u30c9\u30c3\u30c8\u70b9\u706f\u7528(1\u7dda)+\u6841\u9078\u629e\u7528(8\u7dda)=>\u5408\u8a08(13\u7dda)
\n\u203b\uff1aI2C\u901f\u5ea6\u306f100khz\u3092\u57fa\u6e96\u3068\u3059\u308b\uff08DS1307\u306eI2C\u901f\u5ea6\u306f100khz\uff09<\/p>\n

\u25a0\u8003\u5bdf
\nATtiny2313\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u30d4\u30f3\u6570\u306f15\u7dda(PB0-7\/PD0-6)\u304c\u5165\u51fa\u529b\u3067\u4f7f\u7528\u53ef\u80fd\u3002
\n\u524d\u63d0\u6761\u4ef6\u304b\u3089\u8003\u3048\u308b\u3068\u30018\u6841\u8868\u793a\u3092\u884c\u3046\u969b\u306b\u306fI2C\u3067\u306e\u63a5\u7d9a\u3067\u306a\u3044\u3068\u30d4\u30f3\u6570\u304c\u4e0d\u8db3\u3002
\n7\u6841\u4ee5\u4e0b\u3001\u6642\u8a08\u306a\u306e\u3067\u6700\u59276\u6841\u307e\u3067\u3068\u8003\u3048\u308b\u5834\u5408\u306b\u306fSPI\/I2C\u306e\u3069\u3061\u3089\u3067\u3082\u53ef\u80fd\u3002\uff08\u554f\u984c\u306b\u306a\u308b\u306e\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u30b5\u30a4\u30ba\uff09<\/p>\n

MAX7219\u306fSPI\u3067\u306e\u63a5\u7d9a\u306a\u306e\u3067\u305d\u306e\u307e\u307e\u7f6e\u304d\u63db\u3048\u3092\u72d9\u3063\u3066\u3082\u3044\u3044\u306e\u3067\u3059\u304c3\u7dda\u4f7f\u3044\u307e\u3059\u3002
\nDS1307\u3067\u4f7f\u7528\u3057\u3066\u3044\u308bI2C\u3092\u4f7f\u3048\u30702\u7dda\u3067\u6e08\u307f\u307e\u3059\u3057\u3001\u5fc5\u8981\u306a\u30e9\u30a4\u30f3\u304cMAX7219\u7528\u306e3\u7dda\u304c\u5fc5\u8981\u306a\u304f\u306a\u308b\u306e\u3067\u6e1b\u308a\u307e\u3059\u3002
\n\u3053\u3093\u306a\u4e8b\u3082\u3042\u308d\u3046\u304b\u3068\u3001\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u304b\u3089\u306e\u51fa\u529b\u306b\u306fI2C\u7528\u306e\u30d0\u30b9\u3082\u6e21\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u306e\u3067I2C\u3092\u30e1\u30a4\u30f3\u3067\u8003\u3048\u305f\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n

\u307e\u305f\u3001AM\/PM and Colon\u8868\u793a\u7528\u306e\u30cd\u30aa\u30f3\u7ba1\u306b\u3064\u3044\u3066\u306f\u30e1\u30a4\u30f3\u30dc\u30fc\u30c9\u5074(Atmega644P)\u304b\u3089\u306e\u76f4\u63a5\u99c6\u52d5\u3068\u3057\u307e\u3059\u3002
\n\u308f\u3056\u308f\u3056SN74141N\u304b\u3089\u8868\u793a\u3059\u308b\u610f\u5473\u304c\u7121\u3044\u3067\u3059\u3057\u3001\u99c6\u52d5\u96fb\u5727\u3082\u9055\u3046\u306e\u3067\u56de\u8def\u304c\u9762\u5012\u305d\u3046\u306a\u306e\u3067\u2026\u3002\uff08\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u70b9\u706f\u3067\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u5bff\u547d\u304c\u5fc3\u914d\uff09
\n\u3053\u306e\u5834\u5408\u306b\u306f\u3001\u5168\u90e8\u30673\u7dda\u304c\u5fc5\u8981\u306b\u306a\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u306e\u3067\u3001I2C\u306b\u3057\u3066\u6e1b\u3063\u305f\u5206\u3092\u4f7f\u3046\u8a08\u7b97\u306b\u306a\u308a\u307e\u3059\u3002\uff08\u7d50\u5c40\u30d7\u30e9\u30de\u30a4\u30bc\u30ed\uff09<\/p>\n

\u25a0\u56de\u8def\u56f3(I2C\u7248)<\/p>\n

\"\"<\/a><\/p>\n

\u25a0\u4f7f\u7528\u90e8\u54c1
\nAVR\uff1aATtiny2313
\nBCD-to-line\u30c7\u30b3\u30fc\u30c0\u30fc\uff1aSN74141N<\/p>\n

\u25a0\u53c2\u8003\u60c5\u5831<\/p>\n

\u30b7\u30ea\u30a2\u30eb\u30fb\u30da\u30ea\u30d5\u30a7\u30e9\u30eb\u30fb\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9 – Wikipedia<\/a><\/p>\n

I2C – Wikipedia <\/a><\/p>\n

AVR\u8a66\u7528\u8a18-\u5b9f\u9a13<\/a><\/p>\n

Arduino\u3068 ATtiny2313\u3067 SPI – \u3042\u3041 \u305d\u3046\u3060\u3063\u305f<\/a><\/p>\n

\u30de\u30a4\u30b3\u30f3\u3092\u4f7f\u3063\u305f\u5de5\u4f5c – I2C7SEG<\/a><\/p>\n

AVR\u8a66\u7528\u8a18-I2C <\/a><\/p><\/blockquote>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u30e1\u30a4\u30f3\u306eAVR\u5074\u3067\u306e\u76f4\u63a5\u8868\u793a\u306b\u306f\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u3001\u66f4\u306b\u8003\u3048\u3092\u9032\u3081\u307e\u3059\u3002 \u7d50\u679c\u7684\u306bMAX7219\u5074\u3067\u884c\u306a\u3063\u3066\u3044\u308b\u51e6\u7406\u3092\u305d\u306e\u307e\u307e\u7f6e\u304d\u63db\u3048\u308c\u3070\u554f\u984c\u304c\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u8003\u3048\u306b\u81f3\u308a\u307e\u3057\u305f\u3002 \u305d\u3053\u3067\u3001\u30e1\u30a4\u30f3\u30dc […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,16],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=\/wp\/v2\/posts\/1167"}],"collection":[{"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1167"}],"version-history":[{"count":0,"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=\/wp\/v2\/posts\/1167\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.eldhrimnir.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}