{"id":446,"date":"2019-05-28T00:13:55","date_gmt":"2019-05-27T15:13:55","guid":{"rendered":"http:\/\/blog.y-lab.org\/?p=446"},"modified":"2019-05-28T00:15:30","modified_gmt":"2019-05-27T15:15:30","slug":"%e3%83%ad%e3%82%b8%e3%83%83%e3%82%af-ic-%e3%81%a7%e3%81%a4%e3%81%8f%e3%82%8b%e5%9b%bd%e9%89%84%e6%b0%97%e5%8b%95%e8%bb%8a%e3%83%81%e3%83%a3%e3%82%a4%e3%83%a0%e9%9f%b3-%e8%a8%ad%e8%a8%88%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/blog.y-lab.org\/?p=446","title":{"rendered":"\u30ed\u30b8\u30c3\u30af IC \u3067\u3064\u304f\u308b\u56fd\u9244\u6c17\u52d5\u8eca\u30c1\u30e3\u30a4\u30e0\u97f3 (\u8a2d\u8a08\u7de8)"},"content":{"rendered":"<p>\u56fd\u9244\u6642\u4ee3\u306e\u6c17\u52d5\u8eca\u306e\u8eca\u5185\u653e\u9001\u3067\u4f7f\u308f\u308c\u3066\u3044\u305f\u30e1\u30ed\u30c7\u30a3\uff08\u30a2\u30eb\u30d7\u30b9\u306e\u7267\u5834\uff09\u3092\u9cf4\u3089\u3059\u56de\u8def\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<br \/>\n\u30de\u30a4\u30b3\u30f3\u3092\u4f7f\u3063\u3066\u306f\u3064\u307e\u3089\u306a\u3044\u306e\u3067\u3001\u4f8b\u306b\u3088\u3063\u3066\u30ed\u30b8\u30c3\u30af IC \u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f5c\u308a\u307e\u3059\u304c\u3001<br \/>\n\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u56fd\u9244\u6642\u4ee3\uff08\uff5e1987\uff09\u306b\u88fd\u9020\u3055\u308c\u305f IC \u3060\u3051\u3092\u4f7f\u3063\u3066\u7d44\u3093\u3067\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314.jpg\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-447\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314-300x153.jpg\" alt=\"\" width=\"300\" height=\"153\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314-300x153.jpg 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314-768x392.jpg 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314-1024x523.jpg 1024w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314-624x319.jpg 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1314.jpg 1404w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>2 \u3064\u306e 8 \u30b9\u30c6\u30c3\u30d7\u6ce2\u5f62\u751f\u6210\u5668\u3068\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u751f\u6210\u5668\u306b\u3088\u308a\u3001<br \/>\n\u3042\u308b\u7a0b\u5ea6\u30aa\u30eb\u30b4\u30fc\u30eb\u306e\u3088\u3046\u306a\u97f3\u304c\u9cf4\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u8a2d\u8a08\u7de8\u3001\u88fd\u4f5c\u7de8\u3067\u533a\u5207\u308a\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h1>\u69cb\u6210<\/h1>\n<p>\u672c\u6a5f\u306e\u69cb\u6210\u306f\u5927\u304d\u304f\u5206\u3051\u3066\u3001\u97f3\u7b26\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u3064\u304f\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u90e8\u3068<br \/>\n\u97f3\u7a0b\u3084\u97f3\u91cf\u3092\u3064\u304f\u308b\u6ce2\u5f62\u751f\u6210\u90e8\u306e 2 \u30d6\u30ed\u30c3\u30af\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<br \/>\n\u69cb\u6210\u56f3\u3092\u4e0b\u56f3\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-450\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block-300x218.png\" alt=\"\" width=\"300\" height=\"218\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block-300x218.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block-768x557.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block-624x453.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/JNR_DC_Chime_Block.png 841w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u90e8\uff08\u4e0a\u534a\u5206\uff09\u306f\u3001\u30b9\u30c6\u30c3\u30d7\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3067 24 \u30b9\u30c6\u30c3\u30d7\u306e\u30d1\u30eb\u30b9\u3092\u51fa\u529b\u3057\u3066\u3001<br \/>\n\u5f8c\u6bb5\u306e\u30ed\u30b8\u30c3\u30af\u3067\u97f3\u7a0b\u3084\u767a\u97f3\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u5236\u5fa1\u3092\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3068\u3044\u3046\u69cb\u6210\u3067\u3059\u3002<br \/>\nROM \u3092\u4f7f\u3048\u308c\u3070\u3082\u3063\u3068\u5358\u7d14\u306a\u56de\u8def\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30e9\u30f3\u30c0\u30e0\u30ed\u30b8\u30c3\u30af\u3067\u76f4\u63a5<br \/>\n\u97f3\u7a0b\u3092\u51fa\u529b\u3057\u3066\u3001\u97f3\u7a0b\u304b\u3089\u3055\u3089\u306b\u97f3\u7a0b\u306e\u5206\u5468\u5024\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6ce2\u5f62\u751f\u6210\u90e8\uff08\u4e0b\u534a\u5206\uff09\u306f\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u751f\u6210\u5668\u30018 \u30b9\u30c6\u30c3\u30d7\u306e\u6ce2\u5f62\u751f\u6210\u5668\u3068<br \/>\n\u97f3\u7a0b\u3092\u751f\u6210\u3059\u308b\u5206\u5468\u5668\u304b\u3089\u306a\u308a\u307e\u3059\u3002<br \/>\n2 \u3064\u306e\u72ec\u7acb\u3057\u305f\u6ce2\u5f62\u751f\u6210\u90e8\u3092\u7528\u610f\u3057\u3066\u3001OPAMP \u306e\u30df\u30ad\u30b5\u306b\u3088\u308a\u52a0\u7b97\u3059\u308b\u3053\u3068\u3067<br \/>\n2 \u548c\u97f3\u3092\u540c\u6642\u306b\u767a\u97f3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nOPAMP \u306e\u30df\u30ad\u30b5\u4ee5\u5916\u306f\u3059\u3079\u3066 4000 \u30b7\u30ea\u30fc\u30ba CMOS IC \u3067\u8a2d\u8a08\u3057\u307e\u3057\u305f\u3002<br \/>\n\u30bf\u30a4\u30df\u30f3\u30b0\u56de\u8def\u3092\u5c11\u3057\u5909\u66f4\u3059\u308b\u3053\u3068\u3067 3-15V \u3067\u52d5\u4f5c\u3057\u307e\u3059\u304c<br \/>\n\u3053\u306e\u56de\u8def\u3067\u306f +5V \u5358\u4e00\u96fb\u6e90\u306e\u52d5\u4f5c\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1>\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u90e8<\/h1>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-454\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1-300x217.png\" alt=\"\" width=\"300\" height=\"217\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1-300x217.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1-768x555.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1-1024x740.png 1024w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1-624x451.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit1.png 1189w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u90e8\u306f\u30014017 \u306b\u3088\u308b\u30ab\u30a6\u30f3\u30bf\u3068\u30b7\u30d5\u30c8\u30ec\u30b8\u30b9\u30bf\u306b\u3088\u308a\u3001<br \/>\n\u30d1\u30eb\u30b9\u3092\u9806\u756a\u306b\u51fa\u529b\u3059\u308b\u56de\u8def\u3092\u69cb\u6210\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nSW1 \u3092\u62bc\u3059\u3068\u56de\u8def\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3001Q0 \u304b\u3089\u9806\u756a\u306b 24 \u30b9\u30c6\u30c3\u30d7\u306e\u30d1\u30eb\u30b9\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br \/>\nQ0 \u306f\u30ea\u30bb\u30c3\u30c8\u30b9\u30c6\u30fc\u30c8\u3068\u306a\u308b\u305f\u3081\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>4017 \u306f\u305d\u306e\u307e\u307e\u3067\u306f\u30ab\u30b9\u30b1\u30fc\u30c9\u63a5\u7d9a\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u30014013 D-FF \u3068\u7d44\u307f\u5408\u308f\u305b\u3066<br \/>\n\u30ce\u30f3\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30ab\u30a6\u30f3\u30bf\u306b\u30ea\u30bb\u30c3\u30c8\u3092\u304b\u3051\u308b\u3053\u3068\u3067\u3001\u7121\u7406\u3084\u308a\u30ab\u30b9\u30b1\u30fc\u30c9\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3068\u304d\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u306a\u3044\uff08\u30ea\u30bb\u30c3\u30c8\u4e2d\u306e\uff09\u30ab\u30a6\u30f3\u30bf\u306e Q0 \u4fe1\u53f7\u3082\u51fa\u529b\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001<br \/>\n\u3055\u3089\u306b\u30b2\u30fc\u30c8\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n2 \u6bb5\u76ee\u4ee5\u964d\u3092\u30b7\u30d5\u30c8\u30ec\u30b8\u30b9\u30bf\u3067\u7d44\u3081\u3070\u3001\u3082\u3046\u5c11\u3057\u56de\u8def\u306f\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-457\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1-300x36.png\" alt=\"\" width=\"300\" height=\"36\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1-300x36.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1-768x92.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1-624x75.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody1.png 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u3055\u3066\u3001\u300c\u30a2\u30eb\u30d7\u30b9\u306e\u7267\u5834\u300d\u306e\u30e1\u30ed\u30c7\u30a3\u3092\u697d\u8b5c\u306b\u8d77\u3053\u3059\u3068\u3001\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u672c\u6a5f\u306f\u72ec\u7acb\u306a 2 \u3064\u306e\u6ce2\u5f62\u751f\u6210\u90e8\u3092\u6301\u3061\u3001\u305d\u308c\u305e\u308c\u5358\u97f3\u3057\u304b\u9cf4\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3001<br \/>\n\u3053\u306e\u8b5c\u9762\u3092 2 \u3064\u306b\u5206\u5272\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u8b5c\u9762\u4e0a\u306e\u5358\u97f3\u90e8\u5206\u306b\u3064\u3044\u3066\u306f\u3001\u6f14\u594f\u3092\u62c5\u5f53\u3059\u308b\u6ce2\u5f62\u751f\u6210\u90e8\u3092\u4ea4\u4e92\u306b\u5207\u308a\u66ff\u3048\u308b\u3068<br \/>\n\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u304c\u3046\u307e\u304f\u91cd\u306a\u3063\u3066\u3001\u81ea\u7136\u306a\u6f14\u594f\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001\u5358\u7d14\u306b\u4ea4\u4e92\u306b\u3075\u308a\u5206\u3051\u308b\u3060\u3051\u3067\u306f\u3046\u307e\u3044\u5206\u5272\u3068\u306a\u308a\u307e\u305b\u3093\u3002<br \/>\n\u30b7\u30fc\u30b1\u30f3\u30b9\u30d1\u30eb\u30b9\u304b\u3089\u97f3\u7a0b\u306e\u5909\u63db\u3068\u3001\u97f3\u7a0b\u304b\u3089\u5206\u5468\u5024\u306e\u5909\u63db\u3092\u30e9\u30f3\u30c0\u30e0\u30ed\u30b8\u30c3\u30af\u3067<br \/>\n\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u308c\u3089\u3092\u5c11\u306a\u3044\u56de\u8def\u3067\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306a\u5206\u5272\u3068\u3057\u307e\u3059\u3002<br \/>\n\u5177\u4f53\u7684\u306b\u306f\u3001\u540c\u3058\u97f3\u7a0b\u3092 1 \u3064\u306e\u6ce2\u5f62\u751f\u6210\u5668\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u52b9\u7387\u3088\u304f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-458\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2-300x76.png\" alt=\"\" width=\"300\" height=\"76\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2-300x76.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2-768x196.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2-624x159.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/melody2.png 851w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u5206\u5272\u5f8c\u306e\u8b5c\u9762\u3092\u4e0a\u56f3\u306b\u793a\u3057\u307e\u3059\u3002\u3082\u3068\u306e\u8b5c\u9762\u306e 9 \u901a\u308a\u306e\u97f3\u7a0b\u3092\u30015+4 \u306b\u5206\u5272\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1>\u5206\u5468\u5668<\/h1>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit3-1.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-459\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit3-1-267x300.png\" alt=\"\" width=\"267\" height=\"300\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit3-1-267x300.png 267w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit3-1.png 469w\" sizes=\"(max-width: 267px) 100vw, 267px\" \/><\/a><\/p>\n<p>\u97f3\u7a0b\u751f\u6210\u7528\u306e\u5206\u5468\u5668\u306f\u300110 \u9032\u30ab\u30a6\u30f3\u30bf\u306e 40192 \u3092 2 \u6bb5\u4f7f\u7528\u3057\u305f<br \/>\n\u30d7\u30ed\u30b0\u30e9\u30de\u30d6\u30eb\u30c7\u30a3\u30d0\u30a4\u30c0\u3067\u30011-99 \u5206\u5468\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n16 \u9032\u306e\u30ab\u30a6\u30f3\u30bf\u3001\u305f\u3068\u3048\u3070 40193 \u3084 40161 \u306a\u3069\u3092\u4f7f\u7528\u3059\u308c\u3070\u3088\u308a\u6b63\u78ba\u306a\u97f3\u7a0b\u3068\u306a\u308a\u307e\u3059\u304c\u3001<br \/>\n\u624b\u6301\u3061 IC \u306e\u95a2\u4fc2\u3067 10 \u9032\u30ab\u30a6\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u300110 \u9032\u306e\u307b\u3046\u304c bit density \u304c\u5c0f\u3055\u3044\u306e\u3067\u3001ROM \u3092\u30ed\u30b8\u30c3\u30af\u3067\u7d44\u3093\u3060\u3068\u304d\u306e\u898f\u6a21\u304c<br \/>\n\u5c11\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u526f\u6b21\u7684\u52b9\u679c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u5927\u5468\u671f\u304c 99 \u306a\u306e\u3067\u3001\u697d\u8b5c\u4e2d\u306e\u6700\u4f4e\u97f3\u5468\u6ce2\u6570 * 99 * 8 \u304c\u57fa\u6e96\u5468\u6ce2\u6570\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4e0b\u8868\u306f\u672c\u56de\u8def\u306e\u5206\u5468\u5024\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u304c\u300199 \u306b\u3059\u3079\u304d\u3068\u3053\u308d\u8aa4\u3063\u3066 100 \u3068\u3057\u3066\u8a08\u7b97\u3057\u3066\u304a\u308a<br \/>\n\u3084\u3084\u672c\u6765\u306e\u5468\u6ce2\u6570\u304b\u3089\u305a\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<br \/>\n\u3082\u3063\u3068\u3082\u300c\u672c\u7269\u300d\u306e\u30aa\u30eb\u30b4\u30fc\u30eb\u3082\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u304c\u305a\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u3067<br \/>\n\u3053\u308c\u306f\u3053\u308c\u3067\u6c17\u306b\u3057\u306a\u3044\u3053\u3068\u3068\u3057\u307e\u3059\u3002<\/p>\n<h2>\u5206\u5468\u5024\u30c6\u30fc\u30d6\u30eb<\/h2>\n<p>5+4 \u306e 2 \u3064\u306b\u5206\u5272\u3057\u305f\u97f3\u7a0b\u3068\u3001\u5bfe\u5fdc\u3059\u308b\u5206\u5468\u6bd4\u3092\u4e0b\u8868\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre>Gen. 1 | Note | Value\r\n-------+----------------\r\nTone 1 | Ab4  | 99(100)\r\nTone 2 | C5   | 79\r\nTone 3 | Db5  | 75\r\nTone 4 | G5   | 53\r\nTone 5 | C6   | 40<\/pre>\n<pre>Gen. 2 | Note | Value\r\n-------+----------------\r\nTone 1 | Bb4  | 89\r\nTone 2 | Eb5  | 67\r\nTone 3 | Ab5  | 50\r\nTone 4 | Bb5  | 45<\/pre>\n<p>\u97f3\u7a0b\u3092\u5165\u529b\u3057\u3066\u3053\u306e\u5206\u5468\u6bd4\u3092\u51fa\u529b\u3059\u308b\u56de\u8def\u3092\u4f5c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4f7f\u7528\u3057\u3066\u3044\u308b\u97f3\u7a0b\u304c\u591a\u3044\u5834\u5408 ROM \u307e\u305f\u306f\u30c0\u30a4\u30aa\u30fc\u30c9\u30de\u30c8\u30ea\u30af\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u97f3\u7a0b\u304c\u5c11\u306a\u3044\u306e\u3067\u3001\u308f\u305a\u304b OR 3 \u30b2\u30fc\u30c8\u3067\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit5.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-461\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit5-184x300.png\" alt=\"\" width=\"184\" height=\"300\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit5-184x300.png 184w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit5.png 469w\" sizes=\"(max-width: 184px) 100vw, 184px\" \/><\/a><\/p>\n<h1>\u97f3\u8272<\/h1>\n<p>\u8eca\u5185\u653e\u9001\u306e\u30c1\u30e3\u30a4\u30e0\u306f\u30e1\u30ab\u30cb\u30ab\u30eb\u306a\u30aa\u30eb\u30b4\u30fc\u30eb\u306a\u306e\u3067\u3001\u30e1\u30ed\u30c7\u30a3 IC \u3067\u4e00\u822c\u7684\u306a<br \/>\n\u77e9\u5f62\u6ce2 + \u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u3067\u306f\u7269\u8db3\u308a\u307e\u305b\u3093\u3002<br \/>\n\u4f55\u3068\u304b\u3057\u3066\u30aa\u30eb\u30b4\u30fc\u30eb\u306b\u4f3c\u305b\u305f\u97f3\u8272\u3092\u51fa\u529b\u3057\u305f\u3044\u306e\u3067\u3059\u304c<br \/>\nROM \u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\u306e\u3067\u7c21\u5358\u306a\u56de\u8def\u3067\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001\u306a\u305c\u77e9\u5f62\u6ce2\u304c\u3060\u3081\u304b\u3068\u3044\u3046\u3068\u3001\u305d\u306e\u500d\u97f3\u306e\u591a\u3055\u306b\u3042\u308a\u307e\u3059\u3002<br \/>\n\u30aa\u30eb\u30b4\u30fc\u30eb\u306f\u9244\u306e\u6adb\u3092\u5f3e\u3044\u3066\u97f3\u3092\u51fa\u3059\u697d\u5668\u306a\u306e\u3067\u3001\u305d\u306e\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306f<br \/>\nCR \u306e\u6e1b\u8870 (1\/exp) \u3067\u3088\u304f\u8fd1\u4f3c\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u500d\u97f3\u306e\u6bd4\u8f03\u7684\u5c11\u306a\u3044\u6ce2\u5f62\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u3053\u3067\u3001\u500d\u97f3\u6210\u5206\u3092\u5c11\u306a\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u3042\u308b\u7a0b\u5ea6\u4f3c\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u304b\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-465\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform-300x101.png\" alt=\"\" width=\"300\" height=\"101\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform-300x101.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform-768x260.png 768w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform-624x211.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/waveform.png 917w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u6b63\u5f26\u6ce2\u306f\u500d\u97f3\u3092\u542b\u307f\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3092\u6574\u6570\u500d\u306e\u5468\u6ce2\u6570\u3067\u7c97\u304f\u30b5\u30f3\u30d7\u30eb\u3057\u3066\u51fa\u529b\u3057\u305f\u6ce2\u5f62\u306f<br \/>\n\u6b63\u5f26\u6ce2\u3068\u77e9\u5f62\u6ce2\u306e\u4e2d\u9593\u306e\u3088\u3046\u306a\u6ce2\u5f62\u3067\u3059\u304b\u3089\u3001\u307b\u3069\u3088\u304f\u500d\u97f3\u304c\u4ed8\u52a0\u3055\u308c\u305f\u97f3\u8272\u3068\u3044\u3048\u307e\u3059\u3002<br \/>\n\u4e0a\u56f3\u306b\u6b63\u5f26\u6ce2\u3068\u4eca\u56de\u306e\u6ce2\u5f62\u306e\u6bd4\u8f03\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u306e\u97f3\u306f\u3069\u3046\u304b\u3001\u77e9\u5f62\u6ce2\u3001\u7c97\u3044\u6b63\u5f26\u6ce2 (8 step)\u3001\u6b63\u5f26\u6ce2\u306e 3 \u7a2e\u985e\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u751f\u6210\u3057\u3066\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>(1) \u77e9\u5f62\u6ce2<\/p>\n<!--[if lt IE 9]><script>document.createElement('audio');<\/script><![endif]-->\n<audio class=\"wp-audio-shortcode\" id=\"audio-446-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_square.mp3?_=1\" \/><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_square.mp3\">http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_square.mp3<\/a><\/audio>\n<p>(2) \u7c97\u3044\u6b63\u5f26\u6ce2<\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-446-2\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_8step.mp3?_=2\" \/><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_8step.mp3\">http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_8step.mp3<\/a><\/audio>\n<p>(3) \u6b63\u5f26\u6ce2<\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-446-3\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_sine.mp3?_=3\" \/><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_sine.mp3\">http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/out_sine.mp3<\/a><\/audio>\n<p>3\u7a2e\u985e\u306e\u4e2d\u3067\u306f\u6700\u3082\u30aa\u30eb\u30b4\u30fc\u30eb\u306b\u8fd1\u3044\u97f3\u8272\u304c\u5f97\u3089\u308c\u305f\u306e\u3067\u3001\u7c97\u3044\u6b63\u5f26\u6ce2\u306e\u56de\u8def\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit4.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-460\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit4-300x197.png\" alt=\"\" width=\"300\" height=\"197\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit4-300x197.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit4.png 537w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u7c97\u3044\u6b63\u5f26\u6ce2\u306f\u30013bit \u30ab\u30a6\u30f3\u30bf\u3068 4051 \u3067\u7c21\u5358\u306b\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3068\u304d\u3001\u51fa\u529b\u5468\u6ce2\u6570\u306f\u5165\u529b\u5468\u6ce2\u6570\u306e 1\/8 \u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u62b5\u6297\u5024\u3084\u63a5\u7d9a\u3092\u5909\u3048\u308b\u3053\u3068\u3067\u3001\u97f3\u8272\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h1>\u767a\u632f\u56de\u8def<\/h1>\n<h1><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit6.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-462\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit6-300x150.png\" alt=\"\" width=\"300\" height=\"150\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit6-300x150.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit6.png 622w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/h1>\n<p>\u672c\u6a5f\u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u7528\u3068\u3001\u97f3\u7a0b\u751f\u6210\u7528\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f 2 \u3064\u306e\u30af\u30ed\u30c3\u30af\u767a\u632f\u5668\u3092\u6301\u3061\u307e\u3059\u3002<br \/>\n\u30b7\u30fc\u30b1\u30f3\u30b9\u751f\u6210\u7528\u30af\u30ed\u30c3\u30af\u306b\u306f 4528 \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u30011 ms \u306e H \u671f\u9593\u306f<br \/>\n\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u56de\u8def\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u5145\u96fb\u7528\u30d1\u30eb\u30b9\u3082\u517c\u306d\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u3053\u306e\u30af\u30ed\u30c3\u30af\u306e\u7acb\u3061\u4e0a\u304c\u308a\u3067\u5206\u5468\u5668\u306e\u30e9\u30c3\u30c1\u3001\u7acb\u3061\u4e0b\u304c\u308a\u3067\u30b9\u30c6\u30c3\u30d7\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u306e\u30b7\u30d5\u30c8\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>4528 \u306f\u30e2\u30ce\u30b9\u30c6\u30fc\u30d6\u30eb\u30de\u30eb\u30c1\u30d0\u30a4\u30d6\u30ec\u30fc\u30bf\u3067\u3059\u304c\u3001\u3053\u306e\u3088\u3046\u306b\u30ea\u30b5\u30fc\u30ad\u30e5\u30ec\u30fc\u30c8\u3055\u305b\u308b\u3053\u3068\u3067<br \/>\n\u767a\u632f\u5668\uff08\uff1d\u30a2\u30b9\u30c6\u30fc\u30d6\u30eb\uff09\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\nH \u671f\u9593\u3001L \u671f\u9593\u3092\u72ec\u7acb\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u305f\u3081\u4fbf\u5229\u306a\u56de\u8def\u3060\u3068\u601d\u3044\u307e\u3059\u304c<br \/>\n\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u5fdc\u7528\u4f8b\u306b\u3042\u307e\u308a\u51fa\u3066\u3053\u306a\u3044\u56de\u8def\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h1><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit7.png\"><img loading=\"lazy\" class=\"alignnone wp-image-463\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Circuit7-300x181.png\" alt=\"\" width=\"212\" 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