{"id":53,"date":"2008-10-10T23:29:25","date_gmt":"2008-10-10T14:29:25","guid":{"rendered":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=53"},"modified":"2008-10-10T23:29:25","modified_gmt":"2008-10-10T14:29:25","slug":"%e5%8b%95%e3%81%84%e3%81%9f","status":"publish","type":"post","link":"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=53","title":{"rendered":"SDRAM_DAI for TDA1541A \u305d\u306e3  \u52d5\u3044\u305f\uff01"},"content":{"rendered":"<p>\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u4e0a\u3067\u52d5\u4f5c\u3057\u3066\u3044\u305fSDRAM_DAI for TDA1541A\u306eFPGA\u8a2d\u8a08\u30c7\u30fc\u30bf\u3092\u3001\u5b9f\u969b\u306b\u73fe\u7269\u306eFPGA\u306b\u79fb\u690d\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e88\u5b9a\u901a\u308a\u4fe1\u53f7\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306eS\/PDIF\u3092\u5165\u529b\u3057\u3001\u7121\u4e8b\u306b\u4fe1\u53f7\u304c\u51fa\u3066\u304f\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f(\u30e1\u30e2\u30ea\u30fc\u30d0\u30c3\u30d5\u30a1\u30fc\u306e\u30b9\u30eb\u30fc\u30e2\u30fc\u30c9\u306f\u307e\u3060\u30a4\u30f3\u30d7\u30ea\u30e1\u30f3\u30c8\u3057\u3066\u3044\u306a\u3044)\u3002<\/p>\n<p>SDRAM_DAI\u57fa\u677f\u306e\u30dc\u30fc\u30c9\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u4e00\u6642\u62dd\u501f\u3057\u3066\u6614\u4f5c\u3063\u305f1541\u57fa\u677f\u3092\u7e4b\u3044\u3067\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/th_1541test.jpg\" alt=\"\" width=\"284\" height=\"213\" \/><\/p>\n<p>\u00a0<\/p>\n<p><em>\u30b1\u30fc\u30b9\u5185\u624b\u524d\u306e\u57fa\u677f\u306fPCM1798\u304c\u8f09\u3063\u305f\u30c6\u30b9\u30c8\u7528\u30dc\u30fc\u30c9\u3002<\/em><\/p>\n<p><em>\u3068\u308a\u3042\u3048\u305a\u307e\u3060\u5dee\u52d5\u306b\u306f\u3057\u3066\u3044\u306a\u3044\u304c\u3001\u3059\u3050\u306b\u3067\u304d\u308b\u3002<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u4fe1\u53f7\u30bd\u30fc\u30b9\u3068\u3057\u3066\u3044\u3064\u3082\u306e\u3088\u3046\u306bPS3\u3092\u4f7f\u3063\u3066\u307f\u307e\u3057\u305f\u3002\u4e0b\u306e\u6a5f\u68b0\u306fPCM1794A\u306eSDRAM_DAI\u30b7\u30b9\u30c6\u30e0\u3067\u3059(\u4eca\u306f\u95a2\u4fc2\u306a\u3044)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/th_source.jpg\" alt=\"\" width=\"284\" height=\"213\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><em>PS3\u306e\u8a2d\u5b9a\u3067\u30c6\u30b9\u30c8CD\u309244.1kHz, 88.2kHz, \u305d\u3057\u3066176.4kHz\u3067\u518d\u751f\u3057\u3001S\/PDIF\u3092\u624b\u524d\u306e\u30c6\u30b9\u30c8\u30b7\u30b9\u30c6\u30e0\u306b\u5165\u529b\u3059\u308b\u3002<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0\u307e\u305a\u306ffs=44.1kHz\u306b\u304a\u3051\u308b\u30011kHz, 20kHz\u306e\u5404\u6b63\u5f26\u6ce2\u3068\u3001\u30a4\u30f3\u30d1\u30eb\u30b9\u5fdc\u7b54\u30923\u679a\u7d9a\u3051\u3066\u3069\u3046\u305e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/1k_441.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/20k_441.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/imp_441.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><em>\u00a0FPGA\u306e4\u500d\u30aa\u30fc\u30d0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30fb\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u306f\u30b7\u30e3\u30fc\u30d7\u30ed\u30fc\u30eb\u30aa\u30d5\u30bf\u30a4\u30d7\u306e\u8a2d\u8a08\u3068\u3057\u3066\u3044\u308b\u304c\u3001SAA7220P\u3088\u308a\u306f\u7de9\u3084\u304b\u306b\u3057\u3066\u3044\u308b\u3002<\/em>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0\u6b21\u306ffs=88.2kHz\u306b\u304a\u3051\u308b\u30011kHz, 20kHz\u306e\u5404\u6b63\u5f26\u6ce2\u3068\u3001\u30a4\u30f3\u30d1\u30eb\u30b9\u5fdc\u7b54\u30923\u679a\u7d9a\u3051\u3066\u3069\u3046\u305e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/1k_882.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/20k_882.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/imp_882.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><em>PS3\u306e2\u500d\u30a2\u30c3\u30d7\u30b5\u30f3\u30d7\u30e9\u30fc\u51e6\u7406+\u672cFPGA\u306e2\u500d\u30aa\u30fc\u30d0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u51e6\u7406\u306e\u5408\u6210\u306b\u306a\u308b\u300244.1k(\u672cFPGA\u306e4\u500d\u30aa\u30fc\u30d0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u51e6\u7406)\u306b\u304f\u3089\u3079\u3066\u53ce\u675f\u307e\u3067\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u308b\uff1f<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0\u305d\u3057\u3066fs=176.4kHz\u306b\u304a\u3051\u308b\u30011kHz, 20kHz\u306e\u5404\u6b63\u5f26\u6ce2\u3068\u3001\u30a4\u30f3\u30d1\u30eb\u30b9\u5fdc\u7b54\u30923\u679a\u7d9a\u3051\u3066\u3069\u3046\u305e<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/1k_1764.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/20k_1764.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" style=\"float: left;\" src=\"http:\/\/fpga.cool.coocan.jp\/electrart\/image200810\/imp_1764.jpg\" alt=\"\" width=\"320\" height=\"240\" \/><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><em>fs=176.4kHz\u306e\u5834\u5408\u3001FPGA\u306fNOS\u52d5\u4f5c\u306b\u306a\u308b\u306e\u3067\u3001\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u306fPS3\u306e\u4ed5\u4e8b\u306b\u306a\u308b\u3002SDRAM_DAI\u3067\u306ffs\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u7684\u306b\u30d5\u30a3\u30eb\u30bf\u51e6\u7406\u3092\u5207\u308a\u66ff\u3048\u51fa\u6765\u3066\u3044\u308b<\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0\u3042\u3068\u306fPC\u304b\u3089fs=32kHz, 48kHz, 96kHz\u306eS\/PDIF\u3092SDRAM_DAI\u306b\u5165\u308c\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u7279\u306b\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u307e\u3060\u8a66\u8074\u306e\u6bb5\u968e\u3067\u306f\u306a\u3044\u3068\u306f\u3044\u3048\u3001\u65e9\u901f\u97f3\u697d\u3092\u8074\u3044\u3066\u3044\u307e\u3059\u3002\u5c11\u3057\u53e4\u3044\u3001\u3042\u307e\u308a\u9332\u97f3\u306e\u826f\u304f\u306a\u3044DISK\u3092\u304b\u3051\u3066\u307f\u307e\u3057\u305f\u3002PCM1794A\u3067\u3059\u3068\u3001\u9332\u97f3\u306e\u826f\u304f\u306a\u3044DISK\u304c\u3042\u307e\u308a\u697d\u3057\u3081\u306a\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u304c\u3001TDA1541A\u306f\u305d\u3046\u3044\u3046DISK\u3067\u3082\u8074\u304b\u305b\u3066\u304f\u308c\u308b\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002\u91cd\u5fc3\u306e\u4f4e\u3044\u6df1\u3005\u3068\u3057\u305f\u4f4e\u97f3\u306f\u3084\u3063\u3071\u308a\u30a4\u30a4\u3067\u3059\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u4e0a\u3067\u52d5\u4f5c\u3057\u3066\u3044\u305fSDRAM_DAI for TDA1541A\u306eFPGA\u8a2d\u8a08\u30c7\u30fc\u30bf\u3092\u3001\u5b9f\u969b\u306b\u73fe\u7269\u306eFPGA\u306b\u79fb\u690d\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u4e88\u5b9a\u901a\u308a\u4fe1\u53f7\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306eS &hellip; <a href=\"http:\/\/fpga.cool.coocan.jp\/wordpress\/?p=53\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;SDRAM_DAI for TDA1541A \u305d\u306e3  \u52d5\u3044\u305f\uff01&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,11],"tags":[],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-for-tda1541a","category-hardware-debug"],"_links":{"self":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=53"}],"version-history":[{"count":0,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/53\/revisions"}],"wp:attachment":[{"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/fpga.cool.coocan.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}