{"id":87474,"date":"2026-07-30T12:40:47","date_gmt":"2026-07-30T04:40:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87474.html"},"modified":"2026-07-30T12:40:47","modified_gmt":"2026-07-30T04:40:47","slug":"%ef%bc%88%e8%bd%ac%e8%87%aa%e6%9c%8d%e5%8a%a1%e5%99%a8bmc%ef%bc%89%e6%9c%8d%e5%8a%a1%e5%99%a8bmc%e8%8a%af%e7%89%87%e5%8a%9f%e8%83%bd-ltpi%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87474.html","title":{"rendered":"\uff08\u8f6c\u81ea\u201c\u670d\u52a1\u5668BMC\u201d\uff09\u670d\u52a1\u5668BMC\u82af\u7247\u529f\u80fd\u2014\u2014LTPI\u7b80\u4ecb"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"361\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730044045-6a6ad5cd84378.png\" width=\"865\" \/><\/p>\n<\/p>\n<p>\u00a0\u4e00\u4e2a\u670b\u53cb\u770b\u4e86\u6587\u7ae0\u00a02026\u6625\u8282\u5feb\u4e50\u2014\u2014\u56fd\u4ea7BMC\u82af\u7247\u5382\u5546\u00a0 &#xff0c;\u548c\u6211\u804a\u4e86\u804a\u56fd\u4ea7BMC&#xff0c;\u63d0\u5230\u6709\u7684BMC\u82af\u7247\u597d\u50cf\u6ca1\u6709LTPI\u63a5\u53e3\u3002\u6b63\u597d\u5229\u7528\u8fd9\u4e2a\u5468\u672b\u5b66\u4e60\u4e00\u4e0b\u3002\u8bb0\u5f55\u5982\u4e0b&#xff0c;\u5982\u6709\u4e0d\u5bf9\u4e4b\u5904&#xff0c;\u8bf7\u4e13\u5bb6\u6307\u6b63&#xff0c;\u8c22\u8c22\u3002<\/p>\n<p>\u00a0\u00a0\u4e00\u3001 \u6765\u9f99\u53bb\u8109&#xff1a;\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981 LTPI&#xff1f;\u00a0 \u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0\u8981\u7406\u89e3 LTPI&#xff0c;\u6211\u4eec\u5f97\u5148\u77e5\u9053\u00a0DC-SCM\u00a0\u662f\u4ec0\u4e48&#xff0c;\u8fd9\u4e2a\u4e4b\u524d\u4ecb\u7ecd\u8fc7\u00a0\u670d\u52a1\u5668BMC\u82af\u7247\u4e4bDC-SCM\u00a0\u800cLTPI\u5c31\u662f\u57fa\u4e8eDC-SCM\u534f\u8bae\u7684\u3002\u90fd\u77e5\u9053\u4e3a\u4e86\u548c\u4e3b\u677f\u89e3\u8026&#xff0c;\u51fa\u6765\u4e86DC-SCM\u534f\u8bae&#xff0c;\u72ec\u7acb\u6210\u4e00\u4e2aSCM\u5b50\u5361\u3002\u4f46\u662f\u968f\u7740\u670d\u52a1\u5668\u7cfb\u7edf\u8d8a\u6765\u8d8a\u590d\u6742&#xff0c;\u4e3b\u673a\u5904\u7406\u5668\u6a21\u5757&#xff08;HPM&#xff09;\u548cSCM\u5361\u4e4b\u95f4\u8981\u4e92\u8054\u7684\u4fe1\u53f7\u63a5\u53e3\u8d8a\u6765\u8d8a\u591a&#xff0c;\u786c\u4ef6\u8d44\u6e90\u6709\u9650\u65e0\u6cd5\u589e\u52a0\u4e86\u3002\u90a3\u600e\u4e48\u529e\u5462&#xff1f;\u4e13\u5bb6\u4eec\u5c31\u60f3\u51fa\u6765\u4e00\u4e2a\u529e\u6cd5&#xff0c;\u628a\u4f4e\u901f\u63a5\u53e3\u4fe1\u53f7\u6253\u5305\u5728\u4e00\u8d77\u7528\u9ad8\u901f\u63a5\u53e3\u6765\u8282\u7701\u786c\u4ef6\u8d44\u6e90\u3002\u8fd9\u5c31\u662f LTPI \u8bde\u751f\u7684\u6838\u5fc3\u539f\u56e0&#xff1a;\u7528\u6781\u5c11\u7684\u7269\u7406\u8fde\u7ebf&#xff0c;\u66ff\u4ee3\u539f\u672c\u5e9e\u5927\u7684\u4f4e\u901f\u4fe1\u53f7\u7ebf\u675f\u3002<\/p>\n<p>\u4e8c\u3001 \u534f\u8bae\u6d45\u6790&#xff1a;LTPI \u5230\u5e95\u662f\u4e2a\u5565&#xff1f;<\/p>\n<p>LTPI&#xff08;LVDS Tunneling Protocol &amp; Interface&#xff09;&#xff0c;\u4e2d\u6587\u5168\u79f0\u53eb\u201c\u4f4e\u538b\u5dee\u5206\u4fe1\u53f7\u96a7\u9053\u534f\u8bae\u548c\u63a5\u53e3\u201d\u3002\u540d\u5b57\u867d\u7136\u53c8\u957f\u53c8\u62d7\u53e3&#xff0c;\u4f46\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u5176\u5b9e\u5f88\u50cf\u6211\u4eec\u65e5\u5e38\u751f\u6d3b\u4e2d\u7684\u201c\u9ad8\u901f\u516c\u8def\u96a7\u9053\u201d\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u62c6\u89e3\u4e3a\u4e24\u4e2a\u6838\u5fc3\u90e8\u5206\u6765\u7406\u89e3&#xff1a;<\/p>\n<li>\n<p>LVDS&#xff08;\u4f4e\u538b\u5dee\u5206\u4fe1\u53f7&#xff09;<\/p>\n<p>\u00a0 \u00a0 \u8fd9\u662f\u4e00\u79cd\u975e\u5e38\u6297\u5e72\u6270\u7684\u7269\u7406\u4f20\u8f93\u6280\u672f&#xff0c;\u5c31\u50cf\u5728 HPM \u548c SCM \u4e4b\u95f4\u642d\u5efa\u4e86\u4e00\u6761\u4e13\u5c5e\u7684\u5c01\u95ed\u5f0f\u7ba1\u9053\u3002\u56e0\u4e3a\u6297\u5e72\u6270\u80fd\u529b\u6781\u5f3a&#xff0c;\u6240\u4ee5\u867d\u7136\u670d\u52a1\u5668\u5185\u90e8\u7535\u78c1\u73af\u5883\u6bd4\u8f83\u6076\u52a3&#xff0c;\u6570\u636e\u4e5f\u4e0d\u6613\u4e22\u5931\u3002<\/p>\n<\/li>\n<li>\n<p>Tunneling&#xff08;\u96a7\u9053\u6280\u672f\/\u65f6\u5206\u590d\u7528&#xff09;<\/p>\n<p>\u00a0 \u00a0 \u5728 DC-SCM 1.0 \u65f6\u4ee3&#xff0c;\u5927\u5bb6\u7528\u7684\u65b9\u6cd5\u662f SGPIO&#xff0c;\u5c31\u50cf\u662f\u5355\u8f66\u9053&#xff0c;\u4e00\u6b21\u53ea\u80fd\u8fc7\u4e00\u79cd\u8f66&#xff0c;\u6548\u7387\u4f4e\u4e14\u5bb9\u6613\u5835\u8f66\u3002\u800c LTPI \u91c7\u7528\u7684\u662f\u65f6\u5206\u590d\u7528&#xff08;TDM&#xff09;\u6280\u672f\u3002\u5b83\u628a\u4e0d\u540c\u7c7b\u578b\u7684\u4f4e\u901f\u4fe1\u53f7&#xff08;\u6bd4\u5982 GPIO\u3001I2C\u3001UART \u7b49&#xff09;\u5207\u788e&#xff0c;\u6253\u4e0a\u65f6\u95f4\u6233&#xff0c;\u585e\u8fdb\u4e00\u4e2a\u4e2a\u56fa\u5b9a\u7684\u6570\u636e\u5305&#xff08;\u5e27&#xff09;\u91cc\u3002\u8fd9\u5c31\u76f8\u5f53\u4e8e\u628a\u8d27\u8f66\u3001\u8f7f\u8f66\u3001\u6469\u6258\u8f66\u5168\u90e8\u62c6\u89e3\u6210\u6807\u51c6\u5927\u5c0f\u7684\u96c6\u88c5\u7bb1&#xff0c;\u6309\u7167\u65f6\u95f4\u8868\u4f9d\u6b21\u9001\u5165\u96a7\u9053\u3002\u5230\u4e86\u96a7\u9053\u7684\u53e6\u4e00\u7aef&#xff0c;\u518d\u6839\u636e\u65f6\u95f4\u8868\u628a\u96c6\u88c5\u7bb1\u62fc\u88c5\u56de\u539f\u6765\u7684\u8f66\u8f86\u3002<\/p>\n<\/li>\n<p>\u00a0 \u00a0 \u00a0 \u00a0\u56e0\u6b64\u539f\u672c\u9700\u8981\u51e0\u5341\u6839\u7269\u7406\u8fde\u7ebf\u624d\u80fd\u4f20\u8f93\u7684\u591a\u79cd\u4f4e\u901f\u4fe1\u53f7&#xff0c;\u73b0\u5728\u53ea\u9700\u8981\u00a04 \u5bf9\u5dee\u5206\u7ebf&#xff08;\u603b\u5171 8 \u4e2a\u5f15\u811a&#xff09;\u00a0\u5c31OK\u4e86\u3002\u5dee\u5206\u7ebf\u4ee525Mhz\u4e3a\u57fa\u7840\u8fdb\u884c\u500d\u589e\u80fd\u8fbe\u5230\u8f83\u9ad8\u901f\u7387&#xff0c;\u800c\u4e0a\u5c42\u5e94\u7528\u5bf9\u6b64\u53d8\u5316\u662f\u201c\u65e0\u611f\u201d\u7684\u3002<\/p>\n<\/p>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\u56fe\u7247\" height=\"422\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260730044045-6a6ad5cdbe338.png\" width=\"1080\" \/><\/p>\n<p>\u00a0 \u5728\u6700\u65b0\u7684DC-SCM 2.2\u89c4\u8303\u4e2d&#xff0c;LTPI\u5df2\u7ecf\u5347\u7ea7\u52301.2\u7248\u672c&#xff0c;\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u8fdb\u4e00\u6b65\u63d0\u5347&#xff0c;\u5b9e\u73b0\u4e86\u901a\u9053\u7684\u6982\u5ff5&#xff0c;\u5176\u4e2d\u6bcf\u4e2a\u901a\u9053\u90fd\u6620\u5c04\u5230 DC-SCM \u548c HPM \u4e0a\u7684\u7279\u5b9a\u7c7b\u578b\u7684\u7269\u7406\u63a5\u53e3\u3002 LTPI \u63a5\u53e3\u5b9a\u4e49\u4e86\u4ee5\u4e0b\u4f20\u8f93\u901a\u9053&#xff1a;<\/p>\n<ul>\n<li>\n<p>GPIO&#xff08;\u901a\u7528\u8f93\u5165\u8f93\u51fa&#xff09;&#xff1a;<\/p>\n<p>\u00a0 \u00a0 \u00a0GPIO\u901a\u9053\u7528\u4e8e\u901a\u8fc7LTPI\u63a5\u53e3\u4f20\u8f93\u4f4e\u901fHPM\u548cSCM GPIO\u3002\u5206LL GPIO\u548cNL GPIO\u3002GPIO\u662f\u4e00\u4e2a\u901a\u7528\u672f\u8bed&#xff0c;\u5b83\u53ef\u4ee5\u662f\u8f6f\u4ef6&#xff08;HPM\u4e0a\u7684CPU \u6216SCM\u4e0a\u7684BMC&#xff09;\u63a7\u5236\u7684\u8f93\u5165\/\u8f93\u51fa&#xff0c;\u4e5f\u53ef\u4ee5\u662f\u884c\u4e3a\u7c7b\u4f3c\u4e8e\u7269\u7406\u76f4\u63a5\u8fde\u63a5\u7684\u7eaf\u786c\u4ef6\u6570\u5b57\u4fe1\u53f7\u3002<\/p>\n<ul>\n<li>\n<p>\u4f4e\u5ef6\u8fdf GPIO (LL GPIO)&#xff1a;\u8fd9\u7c7b GPIO \u62e5\u6709\u6700\u9ad8\u7684\u4f18\u5148\u7ea7\u548c\u6700\u4f4e\u7684\u4f20\u8f93\u5ef6\u8fdf\u3002\u4e13\u95e8\u7528\u4e8e\u5bf9\u65f6\u95f4\u8981\u6c42\u6781\u9ad8\u7684\u63a7\u5236\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p>\u666e\u901a\u5ef6\u8fdf GPIO (NL GPIO)&#xff1a;\u8fd9\u7c7b GPIO \u5171\u4eab\u5e26\u5bbd&#xff0c;\u5ef6\u8fdf\u76f8\u5bf9\u7565\u9ad8&#xff0c;\u4f46\u80dc\u5728\u6570\u91cf\u591a\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>UART&#xff08;\u4e32\u53e3&#xff09;&#xff1a;UART\u901a\u9053\u7528\u4e8e\u901a\u8fc7LTPI\u5728SCM\u548cHPM\u4e4b\u95f4\u4f20\u8f93\u7269\u7406UART\u63a5\u53e3\u3002UART\u901a\u9053\u652f\u6301\u4f7f\u7528\u6d41\u91cf\u63a7\u5236\u4fe1\u53f7\u5bf9\u591a\u4e2a\u5168\u53cc\u5de5UART\u63a5\u53e3\u8fdb\u884c\u96a7\u9053\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p>I2C \/ SMBus&#xff1a;\u7528\u4e8e\u901a\u8fc7LTPI\u63a5\u53e3\u5bf9I2C\/SMBus\u603b\u7ebf\u8fdb\u884c\u96a7\u9053\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p>OEM \u901a\u9053&#xff08;\u5382\u5546\u81ea\u5b9a\u4e49&#xff09;&#xff1a;OEM\u901a\u9053\u5141\u8bb8\u901a\u8fc7LTPI\u8fdb\u884cOEM\u7279\u5b9a\u63a5\u53e3\u96a7\u9053\u4f20\u8f93\u3002\u4f9b\u670d\u52a1\u5668\u5382\u5546\u4f20\u8f93\u81ea\u5b9a\u4e49\u7684\u79c1\u6709\u4fe1\u53f7\u6216\u534f\u8bae\u3002OEM\u901a\u9053\u4ec5\u88ab\u5b9a\u4e49\u4e3a\u4f7f\u7528DC-SCM LTPI\u5b9e\u73b0OEM\u6269\u5c55\u548c\u4e13\u6709\u63a5\u53e3\u7684\u5360\u4f4d\u7b26\u3002<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u901a\u9053&#xff08;Data Channel&#xff09;&#xff1a;\u901a\u5e38\u63d0\u4f9b\u53ef\u9009\u7684\u5b58\u50a8\u5668\u6620\u5c04\u6570\u636e\u901a\u9053&#xff0c;\u4e3b\u8981\u7528\u4e8e HPM&#xff08;\u4e3b\u673a\u5904\u7406\u5668\u6a21\u5757&#xff09;\u548c SCM&#xff08;\u5b89\u5168\u63a7\u5236\u6a21\u5757&#xff09;\u4e4b\u95f4\u7684\u590d\u6742\u6570\u636e\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n<p>\u00a0 \u00a0 \u4f5c\u4e3aDC-SCM\u6807\u51c6\u5185\u5bb9&#xff0c;BMC\u90fd\u4f1a\u589e\u52a0\u6b64\u63a5\u53e3\u3002\u540c\u65f6\u56e0\u4e3a\u4e3b\u677f\u4e0a\u5927\u591a\u90fd\u662fFPGA\/CPLD\u5bf9\u63a5BMC\u7684LTPI\u63a5\u53e3&#xff0c;\u6240\u4ee5FPGA\/CPLD\u7684\u5382\u5546\u4e5f\u63a8\u51fa\u4e86\u81ea\u5df1LTPI\u7684IP&#xff0c;\u5982Intel\/Altera&#xff0c;AMD\/Xilinx&#xff0c;\u5b89\u8def\u3001\u9ad8\u4e91\u7b49\u516c\u53f8\u3002\u4e0b\u9762\u63d0\u4f9bIntel\u7684\u5f00\u6e90\u4ee3\u7801&#xff0c;\u4f9b\u5404\u4f4d\u53c2\u8003&#xff1a;<\/p>\n<p>https:\/\/github.com\/opencomputeproject\/HWMgmt-Module-DCSCM-LTPI<\/p>\n<p>\u534f\u8bae\u8be6\u60c5\u53ef\u81ea\u5df1\u4e0b\u8f7dspec&#xff1a;<\/p>\n<p>https:\/\/www.opencompute.org\/documents\/ocp-dc-scm-2-2-ltpi-ver1-0-pdf<\/p>\n<p>https:\/\/www.amd.com\/zh-cn\/products\/adaptive-socs-and-fpgas\/intellectual-property\/ef-di-ltpi.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a\u670b\u53cb\u770b\u4e86\u6587\u7ae0\u00a02026\u6625\u8282\u5feb\u4e50\u2014\u2014\u56fd\u4ea7BMC\u82af\u7247\u5382\u5546\u00a0 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