{"id":109921,"date":"2026-09-25T08:32:55","date_gmt":"2026-09-25T00:32:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109921.html"},"modified":"2026-09-25T08:32:55","modified_gmt":"2026-09-25T00:32:55","slug":"rk3588%e5%bc%80%e5%8f%91%e6%9d%bf%e5%86%85%e5%ad%98%e9%80%89%e5%9e%8b%e9%81%bf%e5%9d%91%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8elpddr4x%e5%88%b0lpddr5%e6%80%8e%e4%b9%88%e9%80%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109921.html","title":{"rendered":"RK3588\u5f00\u53d1\u677f\u5185\u5b58\u9009\u578b\u907f\u5751\u6307\u5357\uff1a\u4eceLPDDR4X\u5230LPDDR5\u600e\u4e48\u9009"},"content":{"rendered":"

\u7528\u745e\u82af\u5faeRK3588\u505a\u4ea7\u54c1，\u5185\u5b58\u9009\u578b\u662f\u7ed5\u4e0d\u8fc7\u53bb\u7684\u7b2c\u4e00\u6b65\u3002\u9009\u591a\u5927\u5bb9\u91cf？\u9009LPDDR4X\u8fd8\u662fLPDDR5？\u9009\u6d88\u8d39\u7ea7\u8fd8\u662f\u5de5\u4e1a\u7ea7？\u5c01\u88c5\u6709\u4ec0\u4e48\u8bb2\u7a76？\u517c\u5bb9\u6027\u600e\u4e48\u9a8c\u8bc1？<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u628aRK3588\u5185\u5b58\u9009\u578b\u7684\u5e38\u89c1\u95ee\u9898\u90fd\u68b3\u7406\u4e00\u904d，\u7ed3\u5408\u5b9e\u9645\u9879\u76ee\u7ecf\u9a8c，\u5e2e\u4f60\u5c11\u8e29\u5751\u3002<\/p>\n

\u4e00\u3001\u5148\u7b97\u5e26\u5bbd：\u4f60\u7684\u5e94\u7528\u9700\u8981\u591a\u5c11\u5185\u5b58\u5e26\u5bbd？<\/p>\n

RK3588\u652f\u6301LPDDR4X\u548cLPDDR5，\u56db\u901a\u9053\u8bbe\u8ba1\u3002\u5f88\u591a\u4eba\u53ea\u770b\u901f\u7387\u6570\u5b57，\u4f46\u771f\u6b63\u51b3\u5b9a\u6027\u80fd\u7684\u662f\u603b\u5e26\u5bbd\u3002<\/p>\n

\u5e26\u5bbd\u8ba1\u7b97\u516c\u5f0f：\u603b\u5e26\u5bbd = \u6570\u636e\u901f\u7387(Mbps) \u00d7 \u4f4d\u5bbd(bit) \/ 8<\/p>\n

RK3588\u7684\u5185\u5b58\u4f4d\u5bbd\u662f64\u4f4d（\u56db\u901a\u9053，\u6bcf\u901a\u905316\u4f4d）\u3002\u6211\u4eec\u7b97\u4e00\u4e0b\u4e0d\u540c\u914d\u7f6e\u7684\u7406\u8bba\u5e26\u5bbd：
\n\"\"
\n\u6ce8\u610f：\u7406\u8bba\u5e26\u5bbd\u548c\u5b9e\u9645\u53ef\u7528\u5e26\u5bbd\u5dee\u5f88\u591a，\u56e0\u4e3aDDR\u534f\u8bae\u6709\u5237\u65b0\u3001\u9884\u5145\u7535\u3001\u8bad\u7ec3\u7b49\u5f00\u9500，\u5b9e\u9645\u53ef\u7528\u901a\u5e38\u53ea\u6709\u7406\u8bba\u503c\u768460-70%\u3002<\/p>\n

\u600e\u4e48\u5224\u65ad\u4f60\u7684\u5e94\u7528\u591f\u4e0d\u591f\u7528？<\/p>\n

\u2022 \u7b80\u5355\u5de5\u4e1a\u63a7\u5236\u3001\u4eba\u673a\u754c\u9762：LPDDR4X-3200\u5c31\u591f\u4e86，\u5b9e\u9645\u5e26\u5bbd\u5341\u51e0GB\/s
\n\u2022 \u591a\u8def\u89c6\u9891\u7f16\u89e3\u7801\u3001NVR：\u5efa\u8baeLPDDR4X-4266，\u5e26\u5bbd\u8981\u591f
\n\u2022 \u8fb9\u7f18AI\u63a8\u7406（\u591a\u8def\u89c6\u9891\u5206\u6790）：\u5fc5\u987bLPDDR5-6400，\u5e26\u5bbd\u4e0d\u591fNPU\u8dd1\u4e0d\u6ee1
\n\u2022 \u8dd1\u5927\u6a21\u578b（7B\u4ee5\u4e0a）：LPDDR5\u8d77\u6b65，\u5bb9\u91cf\u8fd8\u8981\u591f\u5927<\/p>\n

\u4e8c\u3001\u5bb9\u91cf\u600e\u4e48\u9009？\u522b\u5149\u770b\u5f53\u524d\u9700\u6c42，\u755920%\u4f59\u91cf<\/p>\n

RK3588\u652f\u6301\u6700\u592732GB\u5185\u5b58（LPDDR5），\u4f46\u4e0d\u662f\u8d8a\u5927\u8d8a\u597d，\u4e5f\u4e0d\u662f\u591f\u7528\u5c31\u884c\u3002<\/p>\n

\u5e38\u89c1\u914d\u7f6e\u5efa\u8bae：
\n\"\"
\n\u51e0\u4e2a\u5751\u8981\u6ce8\u610f：<\/p>\n

1. \u9884\u7559\u5347\u7ea7\u7a7a\u95f4：\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u8d8a\u6765\u8d8a\u81c3\u80bf，AI\u6a21\u578b\u4f1a\u8d8a\u6765\u8d8a\u5927\u3002\u73b0\u57284GB\u591f\u7528，\u4e00\u5e74\u540e\u53ef\u80fd\u5c31\u4e0d\u591f\u4e86\u3002\u5efa\u8bae\u6309\u5f53\u524d\u9700\u6c42\u00d71.2~1.5\u9009\u5bb9\u91cf\u3002<\/p>\n

2. \u9897\u7c92\u4f4d\u5bbd\u548c\u5bb9\u91cf\u8981\u5339\u914d：LPDDR4X\u5e38\u89c1\u7684x32\u9897\u7c92，\u5355\u9897\u5c31\u662f32\u4f4d\u3002RK3588\u662f64\u4f4d\u63a5\u53e3，\u9700\u89812\u9897x32\u9897\u7c92\u7ec4\u621064\u4f4d\u3002\u4e0d\u8981\u641e\u9519\u4f4d\u5bbd\u3002<\/p>\n

3. \u4e0d\u540c\u5bb9\u91cf\u7684\u9897\u7c92，die\u5bc6\u5ea6\u4e0d\u540c：4GB\u548c8GB\u7684\u9897\u7c92，\u5185\u90e8bank\u7ed3\u6784\u53ef\u80fd\u4e0d\u4e00\u6837\u3002\u6362\u5bb9\u91cf\u7684\u65f6\u5019，\u8981\u786e\u8ba4\u8f6f\u4ef6\u914d\u7f6e（\u8bbe\u5907\u6811\u3001DDR\u53c2\u6570）\u8981\u6539\u3002<\/p>\n

\u4e09\u3001\u6d88\u8d39\u7ea7\u8fd8\u662f\u5de5\u4e1a\u7ea7？\u522b\u5728\u6e29\u5ea6\u4e0a\u7701\u94b1<\/p>\n

\u8fd9\u662f\u6700\u5bb9\u6613\u8e29\u7684\u5751\u3002
\n\u5f88\u591a\u4eba\u505a\u5de5\u4e1a\u4ea7\u54c1，\u4e00\u5f00\u59cb\u56fe\u4fbf\u5b9c\u7528\u4e86\u6d88\u8d39\u7ea7\u5185\u5b58，\u7ed3\u679c\u73b0\u573a\u51fa\u95ee\u9898\u2014\u2014\u590f\u5929\u9ad8\u6e29\u6b7b\u673a，\u51ac\u5929\u4f4e\u6e29\u542f\u52a8\u4e0d\u4e86\u3002<\/p>\n

\u6d88\u8d39\u7ea7\u548c\u5de5\u4e1a\u7ea7\u7684\u6838\u5fc3\u533a\u522b：
\n\"\"
\n\u600e\u4e48\u5224\u65ad\u81ea\u5df1\u9700\u8981\u5de5\u4e1a\u7ea7？<\/p>\n

\u2022 \u4ea7\u54c1\u5728\u5ba4\u5185\u6052\u6e29\u73af\u5883\u7528（\u529e\u516c\u5ba4\u3001\u673a\u623f）：\u6d88\u8d39\u7ea7\u591f\u7528
\n\u2022 \u4ea7\u54c1\u5728\u6237\u5916\u3001\u5de5\u4e1a\u73b0\u573a\u3001\u8f66\u8f7d\u73af\u5883：\u5fc5\u987b\u5de5\u4e1a\u7ea7
\n\u2022 \u4ea7\u54c1\u9700\u89817\u00d724\u5c0f\u65f6\u4e0d\u95f4\u65ad\u8fd0\u884c：\u5efa\u8bae\u5de5\u4e1a\u7ea7
\n\u2022 \u4ea7\u54c1\u751f\u547d\u5468\u671f\u8d85\u8fc73\u5e74：\u5de5\u4e1a\u7ea7\u66f4\u7a33\u59a5<\/p>\n

\u6e29\u5ea6\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u91cd\u8981？<\/p>\n

DRAM\u662f\u7535\u5bb9\u5b58\u50a8，\u6e29\u5ea6\u8d8a\u9ad8\u6f0f\u7535\u8d8a\u5feb，\u5237\u65b0\u9891\u7387\u8981\u63d0\u9ad8，\u6709\u6548\u5e26\u5bbd\u5c31\u4e0b\u964d\u3002\u6e29\u5ea6\u8d85\u8fc770\u2103\u4ee5\u540e，\u6d88\u8d39\u7ea7\u9897\u7c92\u7684\u53ef\u9760\u6027\u4f1a\u660e\u663e\u4e0b\u964d\u3002\u5de5\u4e1a\u7ea7\u9897\u7c92\u505a\u4e86\u5168\u6e29\u533a\u7b5b\u9009，\u9ad8\u6e29\u4e0b\u8fd8\u80fd\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n

\u505a\u5de5\u4e1a\u4ea7\u54c1，\u4e0d\u8981\u5728\u5185\u5b58\u4e0a\u7701\u8fd9\u51e0\u5341\u5757\u94b1\u3002\u73b0\u573a\u51fa\u4e00\u6b21\u95ee\u9898，\u552e\u540e\u6210\u672c\u6bd4\u5185\u5b58\u8d35\u5f97\u591a\u3002<\/p>\n

\u56db\u3001\u5c01\u88c5\u548c\u5f15\u811a：\u522b\u53ea\u770b\u578b\u53f7\u5bf9\u5f97\u4e0a<\/p>\n

LPDDR4X\u5e38\u89c1\u5c01\u88c5\u662f200-ball FBGA，LPDDR5\u5e38\u89c1\u662f315-ball TFBGA\u3002\u4e24\u8005\u5c01\u88c5\u5b8c\u5168\u4e0d\u540c，\u4e0d\u80fd\u4e92\u6362\u3002<\/p>\n

\u9009\u578b\u65f6\u8981\u786e\u8ba4：<\/p>\n

1. \u5c01\u88c5\u5c3a\u5bf8\u548cpinout：\u786e\u8ba4\u4f60\u9009\u7684\u5185\u5b58\u9897\u7c92，pinout\u548c\u53c2\u8003\u8bbe\u8ba1\u4e00\u81f4\u3002\u4e0d\u540c\u5382\u5546\u7684\u540c\u5bb9\u91cf\u9897\u7c92，pin\u5b9a\u4e49\u53ef\u80fd\u6709\u5dee\u5f02\u3002<\/p>\n

2. PCB layout\u517c\u5bb9\u6027：\u6362\u5185\u5b58\u9897\u7c92\u7684\u65f6\u5019，\u8981\u68c0\u67e5\u8d70\u7ebf\u3001\u7535\u6e90\u3001\u5339\u914d\u7535\u963b\u662f\u5426\u517c\u5bb9\u3002<\/p>\n

3. \u901f\u7387\u7b49\u7ea7：LPDDR4X\u67093200\/3733\/4266\u591a\u4e2a\u7b49\u7ea7，\u4e0d\u662f\u6240\u6709\u9897\u7c92\u90fd\u80fd\u8dd1\u4f60\u9700\u8981\u7684\u901f\u7387\u3002\u8981\u9009\u5bf9\u5e94\u7b49\u7ea7\u7684\u3002<\/p>\n

\u4e94\u3001\u517c\u5bb9\u6027\u9a8c\u8bc1：\u9009\u8fdb\u5b98\u65b9\u5217\u8868\u7684\u54c1\u724c，\u7701\u6389\u5927\u91cf\u8c03\u8bd5<\/p>\n

\u8fd9\u662f\u6700\u5173\u952e\u7684\u4e00\u70b9\u3002<\/p>\n

RK3588\u7684DDR\u517c\u5bb9\u6027，\u745e\u82af\u5fae\u6709\u5b98\u65b9\u7684\u53c2\u8003\u4f9b\u5e94\u5546\u5217\u8868（DDR Reference Vendor List）\u3002\u5217\u8868\u91cc\u7684\u578b\u53f7，\u90fd\u662f\u745e\u82af\u5fae\u9a8c\u8bc1\u8fc7\u7684，\u62ff\u6765\u5c31\u80fd\u7528\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u5efa\u8bae\u9009\u5b98\u65b9\u5217\u8868\u5185\u7684\u578b\u53f7？<\/p>\n

1. \u7701\u6389\u517c\u5bb9\u6027\u8c03\u8bd5：\u745e\u82af\u5fae\u5df2\u7ecf\u5e2e\u4f60\u8c03\u8fc7DDR\u53c2\u6570\u4e86，\u8bbe\u5907\u6811\u76f4\u63a5\u7528\u5b98\u65b9\u914d\u7f6e<\/p>\n

2. \u6709\u6280\u672f\u652f\u6301\u515c\u5e95：\u51fa\u4e86\u95ee\u9898，\u745e\u82af\u5fae\u53ef\u4ee5\u534f\u52a9\u6392\u67e5<\/p>\n

3. \u8f6f\u4ef6\u7248\u672c\u517c\u5bb9：\u540e\u7eedSDK\u5347\u7ea7，\u5b98\u65b9\u5217\u8868\u5185\u7684\u578b\u53f7\u517c\u5bb9\u6027\u6709\u4fdd\u969c<\/p>\n

\u56fd\u4ea7\u5185\u5b58\u9009\u578b\u5efa\u8bae：<\/p>\n

\u73b0\u5728\u56fd\u4ea7LPDDR4X\/LPDDR5\u5df2\u7ecf\u6709\u4e00\u4e9b\u54c1\u724c\u8fdb\u4e86\u745e\u82af\u5fae\u7684\u5b98\u65b9\u5217\u8868，\u6bd4\u5982\u6c49\u56db（ROCFOUR）\u7684\u51e0\u6b3eLPDDR4X\u548cLPDDR5\u578b\u53f7\u3002\u5982\u679c\u6709\u56fd\u4ea7\u5316\u9700\u6c42，\u6216\u8005\u60f3\u591a\u4e00\u4e2a\u5907\u9009\u4f9b\u5e94\u5546，\u53ef\u4ee5\u4f18\u5148\u8003\u8651\u5b98\u65b9\u5217\u8868\u5185\u7684\u56fd\u4ea7\u54c1\u724c，\u517c\u5bb9\u6027\u6709\u4fdd\u969c，\u4e0d\u7528\u81ea\u5df1\u4ece\u5934\u8c03DDR\u53c2\u6570\u3002<\/p>\n

\u516d\u3001\u603b\u7ed3：\u9009\u578b\u51b3\u7b56\u6811<\/p>\n

\u6700\u540e\u7ed9\u4e00\u4e2a\u7b80\u5355\u7684\u51b3\u7b56\u6d41\u7a0b：<\/p>\n

\u4f60\u7684\u5e94\u7528\u662f\u4ec0\u4e48\u573a\u666f？<\/p>\n

\u251c\u2500\u2500 \u5ba4\u5185\u6d88\u8d39\u7c7b（HMI\u3001\u5e73\u677f\u3001\u76d2\u5b50）
\n\u2502 \u00a0 \u2514\u2500\u2500 LPDDR4X
\n-3200~3733，2~4GB，\u6d88\u8d39\u7ea7<\/p>\n

\u251c\u2500\u2500 \u5de5\u4e1a\u73b0\u573a（\u7f51\u5173\u3001NVR\u3001\u8bbe\u5907）
\n\u2502 \u00a0 \u2514\u2500\u2500 LPDDR4X
\n-4266，4GB，\u5de5\u4e1a\u7ea7<\/p>\n

\u251c\u2500\u2500 \u8fb9\u7f18AI（\u591a\u8def\u89c6\u9891\u5206\u6790\u3001\u8fb9\u7f18\u76d2\u5b50）
\n\u2502 \u00a0 \u2514\u2500\u2500 LPDDR5
\n-6400，8GB+，\u5de5\u4e1a\u7ea7<\/p>\n

\u2514\u2500\u2500 \u673a\u5668\u4eba\/\u5927\u6a21\u578b
\n\u00a0 \u00a0 \u2514\u2500\u2500 LPDDR5
\n-6400，8~16GB，\u5de5\u4e1a\u7ea7<\/p>\n

\u9009\u578b\u7684\u65f6\u5019，\u5148\u7b97\u5e26\u5bbd\u591f\u4e0d\u591f，\u518d\u9009\u5bb9\u91cf，\u518d\u5b9a\u6e29\u533a，\u6700\u540e\u786e\u8ba4\u517c\u5bb9\u6027\u3002\u987a\u5e8f\u522b\u641e\u53cd\u4e86\u3002
\n\u6709\u95ee\u9898\u6b22\u8fce\u8bc4\u8bba\u533a\u4ea4\u6d41\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7528\u745e\u82af\u5faeRK3588\u505a\u4ea7\u54c1，\u5185\u5b58\u9009\u578b\u662f\u7ed5\u4e0d\u8fc7\u53bb\u7684\u7b2c\u4e00\u6b65\u3002\u9009\u591a\u5927\u5bb9\u91cf？\u9009LPDDR4X\u8fd8\u662fLPDDR5？\u9009\u6d88\u8d39\u7ea7\u8fd8\u662f\u5de5\u4e1a\u7ea7？\u5c01\u88c5\u6709\u4ec0\u4e48\u8bb2\u7a76？\u517c\u5bb9\u6027\u600e\u4e48\u9a8c\u8bc1？\u8fd9\u7bc7\u6587\u7ae0\u628aRK3588\u5185\u5b58\u9009\u578b\u7684\u5e38\u89c1\u95ee\u9898\u90fd\u68b3\u7406\u4e00\u904d，\u7ed3\u5408\u5b9e\u9645\u9879\u76ee\u7ecf\u9a8c，\u5e2e\u4f60\u5c11\u8e29\u5751\u3002\u4e00\u3001\u5148\u7b97\u5e26\u5bbd：\u4f60\u7684\u5e94\u7528\u9700\u8981\u591a\u5c11\u5185\u5b58\u5e26\u5bbd？RK3588\u652f\u6301LPDDR4X\u548cLPDDR5，\u56db\u901a<\/p>\n","protected":false},"author":2,"featured_media":109918,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[751],"topic":[],"class_list":["post-109921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-arm"],"yoast_head":"\nRK3588\u5f00\u53d1\u677f\u5185\u5b58\u9009\u578b\u907f\u5751\u6307\u5357\uff1a\u4eceLPDDR4X\u5230LPDDR5\u600e\u4e48\u9009 - 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