{"id":11055,"date":"2023-02-15T12:00:39","date_gmt":"2023-02-15T04:00:39","guid":{"rendered":"http:\/\/www.szryc.com\/?p=11055"},"modified":"2023-02-15T12:00:39","modified_gmt":"2023-02-15T04:00:39","slug":"%e3%80%90%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88%e3%80%91%e4%bd%bf%e7%94%a8%e5%b1%95%e9%a2%91%e6%8a%80%e6%9c%af%e9%99%8d%e4%bd%8e%e8%be%90%e5%b0%84%e9%aa%9a%e6%89%b0","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=11055","title":{"rendered":"\u3010\u89e3\u51b3\u65b9\u6848\u3011\u4f7f\u7528\u5c55\u9891\u6280\u672f\u964d\u4f4e\u8f90\u5c04\u9a9a\u6270"},"content":{"rendered":"

\u5728\u4ea7\u54c1\u7814\u53d1\u9636\u6bb5\uff0c\u786c\u4ef6\u5de5\u7a0b\u5e08\u901a\u5e38\u4f1a\u5bf9\u4ea7\u54c1\u505a\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\uff0c\u5728\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\u5931\u8d25\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5c55\u9891\u6280\u672f\u6765\u964d\u4f4e\u8f90\u5c04\u9a9a\u6270\u3002\u7ed3\u5408ZLG\u81f4\u8fdc\u7535\u5b50\u7684\u6838\u5fc3\u677f\u4ea7\u54c1\uff0c\u672c\u6587\u5c06\u5bf9\u5e95\u677f\u7684\u8f90\u5c04\u5e72\u6270\u8d85\u6807\u63d0\u4f9b\u4e00\u4e9b\u65b9\u6cd5\u53ca\u53c2\u8003\u3002<\/p>\n

 <\/p>\n

\"55f4ba08-aa54-11ed-ad0d-dac502259ad0\" \u00a0\u5c55\u9891\u6280\u672f<\/strong><\/p>\n

\u5c55\u9891\uff0c\u5373\u6269\u5c55\u9891\u8c31\u6280\u672f\u3002\u5c55\u9891\u6280\u672f\u662f\u5e38\u7528\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u3002\u5c06\u5355\u70b9\u80fd\u91cf\u5206\u6563\u5230\u9891\u5e26\u5185\uff0cEMI\u5e72\u6270\u5c31\u51cf\u5c0f\u4e86\u3002\u5176\u539f\u7406\u7c7b\u4f3c\u4e8e\u56fe 1 \u6240\u793a\u7684\u4f8b\u5b50\uff0c\u8ba9\u6c34\u538b\uff08\u9891\u8c31\u80fd\u91cf\uff09\u4e00\u5b9a\u7684\u6c34\u4ece\u4e00\u4e2a\u5c0f\u5b54\uff08\u56fa\u5b9a\u9891\u7387\uff09\u4e2d\u55b7\u51fa\uff0c\u8fd9\u548c\u8ba9\u5b83\u4ece\u6dcb\u6d74\u55b7\u5934\u7684\u591a\u4e2a\u5c0f\u5b54\uff08\u5206\u6563\u9891\u7387\uff09\u4e2d\u55b7\u51fa\u7684\u6548\u679c\u662f\u4e0d\u540c\u7684\u3002\u540e\u8005\u7684\u6c34\u538b\u5f97\u5230\u4e86\u5206\u6563\uff0c\u6c34\u7684\u55b7\u51fa\u529b\u5ea6\uff08\u8f90\u5c04\u566a\u58f0\uff09\u4f1a\u53d8\u5c0f\u5f88\u591a\u3002<\/p>\n

\"56084c6c-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe1\u00a0\u5c55\u9891\u539f\u7406\uff08\u56fe\u7247\u6765\u81ea\u7f51\u7edc,\u4fb5\u6743\u5220\u9664\uff09<\/p>\n

 <\/p>\n

\"563015ee-aa54-11ed-ad0d-dac502259ad0\" \u00a0\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

\u539f\u672c\u7684\u65f6\u949f\u4fe1\u53f7\u6bcf\u4e2a\u5468\u671f\u90fd\u662f\u4e00\u6837\u7684\uff0c\u5468\u671f\u65f6\u95f4\u957f\u5ea6\u4e5f\u4e00\u6837\uff0c\u4e3aTclk\u3002\u5bf9Tclk\u8fdb\u884c\u5fae\u8c03\uff0c\u6bd4\u5982\u5148\u5c06\u6bcf\u4e2a\u65f6\u949f\u5468\u671f\u6bd4\u4e0a\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u7684\u65f6\u95f4\u52a0\u957f\u4e00\u70b9\u70b9\uff0c\u7d2f\u8ba1n\u4e2a\u5468\u671f\u4e4b\u540e,\u518d\u5c06\u6bcf\u4e2a\u65f6\u949f\u5468\u671f\u6bd4\u4e0a\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u7f29\u77ed\u4e00\u70b9\u70b9\uff0c\u518d\u7d2f\u8ba1n\u4e2a\u5468\u671f,\u5982\u6b64\u5faa\u73af\u3002<\/p>\n

\u8fd9\u6837\u65f6\u95f4\u4e00\u5b9a\u7684\u8bdd,\u5305\u542b\u603b\u7684\u65f6\u949f\u5468\u671f\u7684\u4e2a\u6570\u662f\u4e0d\u53d8\u7684,\u4f46\u662f\u91cc\u9762\u7684\u65f6\u949f\u4fe1\u53f7\u7684\u6bcf\u4e2a\u5468\u671f\u90fd\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u5982\u4e0b\u56fe 2\u6240\u793a\uff1a<\/p>\n

\"5642b7b2-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe2\u00a0\u65f6\u949f\u6ce2\u5f62\uff08\u56fe\u7247\u6765\u81ea\u7f51\u7edc,\u4fb5\u6743\u5220\u9664\uff09<\/p>\n

\u53c2\u8003\u82af\u7247\u624b\u518c\u300aIMX6ULLRM.pdf\u300b\uff0c system PLL\u652f\u6301\u5c55\u9891\u529f\u80fd\u3002\u7528\u4e8e\u6700\u5c0f\u5316\u8f90\u5c04\u53d1\u5c04\u7684\u5e94\u7528\u3002system PLL\u8f93\u51fa\u65f6\u949f\u7ecf\u8fc7\u5c55\u9891\uff0c\u4f7f\u80fd\u91cf\u5206\u5e03\u5728\u66f4\u5bbd\u7684\u5e26\u5bbd\u4e0a\uff0c\u4ece\u800c\u51cf\u5c11\u5cf0\u503c\u8f90\u5c04\u53d1\u5c04\u3002\u5c55\u9891\u7531CCM_ANALOG_PLL_SYS_SS \u5bc4\u5b58\u5668\u914d\u7f6e\uff0c\u4f7f\u80fd\u540e\uff0cPLL2\u8f93\u51fa\u9891\u7387\u4f1a\u6309\u7167STEP\u57df\u5b9a\u4e49\u7684\u9891\u70b9\u5f80\u4e0b\u53d8\u5316\uff0c\u76f4\u5230STOP\u5b9a\u4e49\u7684\u9891\u7387\uff0c\u7136\u540e\u6389\u5934\u5347\u56de\u5230\u4ee5\u524d\u9891\u7387\u3002\u5982\u4e0b\u56fe 3\u516c\u5f0f\u6240\u793a\uff1a<\/p>\n

\"566984c8-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe3\u00a0\u82af\u7247\u624b\u518c\u622a\u56fe<\/p>\n

IMX6ULL\u7684\u53c2\u8003\u65f6\u949fFref=24MHz\u3002\u6700\u5927\u7684\u5c55\u9891\u8303\u56f4\u662f24MHz\u3002<\/p>\n

 <\/p>\n

\"563015ee-aa54-11ed-ad0d-dac502259ad0\" \u00a0\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

ZTP800\u7cfb\u5217\u793a\u6559\u5668(\u79fb\u52a8HMI)<\/u><\/strong>\u00a0\u4e3a\u673a\u5668\u4eba\u4eba\u673a\u4ea4\u4e92\u800c\u751f\uff0c\u6ee1\u8db3\u673a\u5668\u4eba\u5728\u6ce8\u5851\u884c\u4e1a\u3001\u51b2\u538b\u884c\u4e1a\u3001\u8f66\u5e8a\u884c\u4e1a\u3001\u642c\u8fd0\u7801\u579b\u3001\u55b7\u6d82\u3001\u73bb\u7483\u673a\u3001\u538b\u94f8\u673a\u3001\u5305\u88c5\u8bbe\u5907\u30013C\u8bbe\u5907\u3001\u9502\u7535\u6c60\u8bbe\u5907\u3001\u7eba\u7ec7\u3001\u6d41\u6c34\u7ebf\u5de5\u4f5c\u7ad9\u3001\u975e\u6807\u81ea\u52a8\u5316\u88c5\u5907\u7b49\u4e0d\u540c\u5de5\u827a\u5e94\u7528\u573a\u666f\u4e0b\u7684\u4eba\u673a\u4ea4\u4e92\u9700\u6c42\u3002\u786c\u4ef6\u53c2\u6570\u5982\u56fe 4\u6240\u793a\uff1a<\/p>\n

\"56b150a0-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe4\u00a0\u786c\u4ef6\u53c2\u6570<\/p>\n

ZTP800\u7cfb\u5217\u793a\u6559\u5668\u642d\u914dM6Y2C\u6838\u5fc3\u677f\u53ca8\u5bf8TFT\u5927\u5c4f\u5e55, \u53ef\u5b9e\u73b0\u4e30\u5bcc\u3001\u6e05\u6670\u7684\u4eba\u673a\u4ea4\u4e92\u7a97\u53e3\uff0c\u63d0\u5347\u4ea7\u54c1\u6863\u6b21\uff0c\u5e76\u65b9\u4fbf\u5b9e\u73b0\u673a\u5668\u4eba\u7684\u624b\u52a8\u64cd\u4f5c\u3001\u793a\u6559\u7f16\u7a0b\u3001\u8fd0\u884c\u7b49\u4eba\u673a\u5bf9\u8bdd\u529f\u80fd\u3002
\n\u00a0<\/p>\n

M6Y2C\u662f\u4e00\u6b3e\u5de5\u4e1a\u63a7\u5236\u6838\u5fc3\u677f,\u91c7\u7528NXP Cortex-A7 800MHz\u4e3b\u9891\u7684\u5904\u7406\u5668\uff0c\u4ee5\u5148\u8fdb\u7684\u7535\u6e90\u7ba1\u7406\u67b6\u6784\u5e26\u6765\u66f4\u4f4e\u529f\u8017\u3002\u6807\u914d8\u8defUART\u30012\u8defUSB OTG\u30012\u8defCAN-Bus\u30012\u8def\u4ee5\u592a\u7f51\u7b49\u63a5\u53e3\uff1b\u6807\u914d128\/256MB DDR3\u548c128\/256MB NAND Flash\u3001\u786c\u4ef6\u770b\u95e8\u72d7\uff1b\u901a\u8fc7\u4e25\u683cEMC\u548c\u9ad8\u4f4e\u6e29\u6d4b\u8bd5\uff0c\u786e\u4fdd\u6838\u5fc3\u677f\u5728\u4e25\u9177\u7684\u73af\u5883\u4e0b\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n

ZTP800\u7cfb\u5217\u793a\u6559\u5668\u5728\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\u4e2d\uff0c\u6709\u591a\u4e2a\u9891\u70b9\u8d85\u6807\u3002\u7ecf\u8fc7\u4eae\u5c4f\u4e0e\u706d\u5c4f\u7684\u5bf9\u6bd4\u6d4b\u8bd5\uff0c\u786e\u5b9a\u662fLCD\u65f6\u949f\u5f15\u8d77\u7684\u8f90\u5c04\u8d85\u6807\uff0c\u6d4b\u8bd5\u7ed3\u679c\u5982\u56fe 5\u6240\u793a\uff1a<\/p>\n

\"56d3e214-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe5\u00a0\u8d85\u6807\u9891\u70b9<\/p>\n

 <\/p>\n

\"563015ee-aa54-11ed-ad0d-dac502259ad0\" \u00a0\u6280\u672f\u5b9e\u73b0<\/strong><\/p>\n

1. \u56fa\u5b9aLCDIF\u7236\u65f6\u949f<\/strong><\/p>\n

\u5c55\u9891\u53ea\u6709528M_PLL\u80fd\u5b9e\u73b0\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5c55\u9891\u7684\u8bbe\u5907\u65f6\u949f\uff0c\u9700\u56fa\u5b9a\u7236\u65f6\u949f\u4e3a528M_PLL\u3002\u5728arch\/arm\/mach-imx\/clk-imx6ul.c\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u7236\u65f6\u949f\u5b9a\u4e49\u8bed\u53e5\uff0c\u5982\u4e0b\uff1a
\n\u00a0<\/p>\n

clk_set_parent(clks[IMX6UL_CLK_LCDIF_PRE_SEL],\u00a0clks[IMX6UL_CLK_PLL2_BUS]);<\/p>\n

2. \u8bbe\u5b9a\u5c55\u9891\u5bc4\u5b58\u5668<\/strong><\/p>\n

\u8bbe\u5b9a\u8c03\u5236\u9891\u7387\uff08Modulation frequency\uff09\u4e3a60K\u3002\u6839\u636e\u516c\u5f0f\u63a8\u7b97\u51fa\u00a0(ssc_stop\/ssc_step)=24000K\/(2*(60K))=200\u3002\u5728\u53cc\u53d8\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u5148\u7ea6\u675f\u5176\u4e2d\u4e00\u4e2a\uff0c\u8bbe\u7f6e ssc_step=6\uff0c\u90a3\u4e48ssc_stop=1200\u3002\u8bbe\u5b9a\u5c55\u9891\u8303\u56f4\uff08spectrum spread range\uff09=24Mhz\uff0c\u90a3\u4e48(DENOM\/ ssc_stop)=1 \uff0cDENOM=1200\u3002\u5c06\u4e0a\u9762\u8ba1\u7b97\u51fa\u7684\u503c\uff0c\u4ee3\u5165\u56fe 6\u4e2d\u7684\u4e24\u4e2a\u5bc4\u5b58\u5668\u4e2d\u3002<\/p>\n

\"57005cfe-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe6\u00a0\u5bc4\u5b58\u5668<\/p>\n

\u4e24\u4e2a\u5bc4\u5b58\u5668\u7684\u503c\u53ef\u4ee5\u8f6c\u6362\u621016\u8fdb\u5236\u3002\u5982\u4e0b\uff1a
\nCCM_ANALOG_PLL_SYS_SS=0x4B08006
\nCCM_ANALOG_PLL_SYS_DENOM=0x4B0<\/p>\n

 <\/p>\n

\"563015ee-aa54-11ed-ad0d-dac502259ad0\" \u00a0\u6d4b\u8bd5\u7ed3\u679c<\/strong><\/p>\n

\u5c55\u9891\u524d\uff0cLCD_CLK\u6ce2\u5f62\uff0c\u5982\u56fe 7\u6240\u793a\uff1a<\/p>\n

\"5734875e-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe7\u00a0\u5c55\u9891\u524d<\/p>\n

\u5c55\u9891\u540e\uff0cLCD_CLK\u6ce2\u5f62\uff0c\u5982\u56fe 8\u6240\u793a\uff1a<\/p>\n

\"57c5f414-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe8\u00a0\u5c55\u9891\u540e<\/p>\n

\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\u7ed3\u679c\uff0c\u4e4b\u524d\u8d85\u6807\u7684\u9891\u70b9\u90fd\u964d\u4f4e\u4e86\u8f90\u5c04\u503c\uff0c\u7ed3\u679c\u901a\u8fc7\u3002\u5982\u56fe 9\u6240\u793a\uff1a<\/p>\n

\"5889bcc8-aa54-11ed-ad0d-dac502259ad0\"<\/div>\n

\u56fe9\u00a0\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\u7ed3\u679c<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u4ea7\u54c1\u7814\u53d1\u9636\u6bb5\uff0c\u786c\u4ef6\u5de5\u7a0b\u5e08\u901a\u5e38\u4f1a\u5bf9\u4ea7\u54c1\u505a\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\uff0c\u5728\u8f90\u5c04\u9a9a\u6270\u6d4b\u8bd5\u5931\u8d25\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5c55\u9891\u6280\u672f\u6765\u964d\u4f4e\u8f90 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/11055"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11055"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/11055\/revisions"}],"predecessor-version":[{"id":11068,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/11055\/revisions\/11068"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11055"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}