{"id":2309,"date":"2019-04-08T13:46:25","date_gmt":"2019-04-08T13:46:25","guid":{"rendered":""},"modified":"2019-04-08T21:46:46","modified_gmt":"2019-04-08T13:46:46","slug":"%e5%9f%ba%e4%ba%8edsp%e7%9a%84%e5%ae%9e%e6%97%b6%e5%b5%8c%e5%85%a5%e5%bc%8f%e6%95%b0%e5%ad%97%e5%a4%84%e7%90%86%e7%b3%bb%e7%bb%9f%e8%ae%be%e8%ae%a1%e5%89%96%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2309","title":{"rendered":"\u57fa\u4e8eDSP\u7684\u5b9e\u65f6\u5d4c\u5165\u5f0f\u6570\u5b57\u5904\u7406\u7cfb\u7edf\u8bbe\u8ba1\u5256\u6790"},"content":{"rendered":"

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\n\t1 \u591a\u6838\u5904\u7406\u5668TMS320C6678\u6027\u80fd<\/p>\n

\n\t <\/div>\n

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\n\t\u591a\u6838DSP\u662f\u8fd1\u5e74\u6765\u9488\u5bf9\u9ad8\u6027\u80fd\u5d4c\u5165\u5f0f\u5e94\u7528\u800c\u51fa\u73b0\u7684\u4e00\u7c7b\u591a\u6838\u5fae\u5904\u7406\u5668\uff08Multi<\/u>Core MicroProcessor\uff09\u3002\u76f8\u6bd4\u4f20\u7edf\u7684\u5355\u6838\u5904\u7406\u5668\uff0c\u591a\u6838\u5904\u7406\u5668\u5728\u63d0\u9ad8\u5e76\u884c\u5904\u7406\u80fd\u529b\u7684\u540c\u65f6\u914d\u7f6e\u4e86\u66f4\u9ad8\u7684\u5b58\u50a8\u5e26\u5bbd\u548c\u66f4\u7075\u6d3b\u7684\u5b58\u50a8\u7ed3\u6784\u3002TMS320C6678\u662fTI\u516c\u53f8\u7684\u6700\u65b0\u578b\u7684KeyStone\u67b6\u6784\u591a\u6838DSP\uff0c\u8be5DSP\u96c6\u6210\u4e868\u4e2aDSP\u5185\u6838\uff0c\u6bcf\u4e2a\u5185\u6838\u9891\u7387\u53ef\u8fbe1.25 GHz;\u5b9a\u70b9\u8fd0\u7b97\u80fd\u529b\u4e3a320 GMAC\uff0c\u6d6e\u70b9\u8fd0\u7b97\u80fd\u529b\u53ef\u8fbe160 GFLOPS\uff0c\u8fd0\u7b97\u80fd\u529b\u6bd4\u73b0\u5728\u4e3b\u6d41\u7684DSP\uff08\u5982TS1 01\uff09\u6709\u5927\u5e45\u63d0\u9ad8\uff08TS101\u7684\u5185\u6838\u65f6\u949f\u662f300MHz\uff0c\u6d6e\u70b9\u8fd0\u7b97\u80fd\u529b\u4e3a1 800 MFLOPS\uff09\uff0c\u5145\u5206\u4f53\u73b0\u5e76\u884c\u5904\u7406\u7684\u7406\u5ff5\u3002\u6bcf\u4e2aDSP\u5185\u6838\u914d\u7f6e32 kb\u7684\u4e00\u7ea7\u5c40\u90e8\u7a0b\u5e8f\u7f13\u5b58\u5668\u300132 kb\u7684\u4e00\u7ea7\u5c40\u90e8\u6570\u636e\u7f13\u5b58\u5668\u548c512 kb\u7684\u4e8c\u7ea7\u5c40\u90e8\u7f13\u5b58\u5668\u3002TMS320C6678\u7684\u529f\u80fd\u539f\u7406\u56fe\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eDSP\u7684\u5b9e\u65f6\u5d4c\u5165\u5f0f\u6570\u5b57\u5904\u7406\u7cfb\u7edf\u8bbe\u8ba1\u5256\u6790\"<\/p>\n

\n\t\u57fa\u4e8eKeyStone\u4f53\u7cfb\u67b6\u6784\uff0c\u80fd\u591f\u786e\u4fdd\u591a\u6838DSP\u7684\u6bcf\u4e00\u4e2a\u5185\u6838\u53d1\u6325\u5168\u9762\u7684\u5904\u7406\u529f\u80fd\uff0cTMS320C6678\u9664\u4e86\u5177\u6709\u591aDSP\u5185\u6838\u5bfc\u81f4\u7684\u8fd0\u7b97\u5904\u7406\u80fd\u529b\u63d0\u9ad8\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5bf9\u5916\u901a\u4fe1\u63a5\u53e3\u4ee5\u53ca\u5b58\u50a8\u5355\u5143\u7684\u652f\u6301\uff0c\u589e\u5f3a\u4e86\u5904\u7406\u5668\u5bf9\u5916\u9ad8\u901f\u6570\u636e\u4ea4\u6362\u7684\u541e\u5410\u80fd\u529b\u3002Keystone\u591a\u6838\u67b6\u6784\u4e3aRISC<\/u>\u548cDSP\u5185\u6838\u4ee5\u53ca\u4e13\u7528\u534f\u5904\u7406\u5668\u548cI\/O\u7684\u96c6\u6210\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u7cfb\u7edf\u7ed3\u6784\uff0cKeystone\u67b6\u6784\u80fd\u591f\u5728\u5904\u7406\u5668\u5185\u6838\u3001\u5916\u90e8\u8bbe\u5907\u3001\u534f\u5904\u7406\u5668\u548cI\/O\u4e4b\u95f4\u5efa\u7acb\u65e0\u963b\u585e\u6570\u636e\u4f20\u8f93\uff0c\u8fd9\u4e3b\u8981\u57fa\u4e8e\u591a\u6838\u5bfc\u822a\u5668\uff08MulTIcore Navigator\uff09\u3001Te<\/u>raNet\u3001\u591a\u6838\u5171\u4eab\u5b58\u50a8\u533a\u63a7\u5236\u5668\uff08MulTIcore Shared Memory Controller\uff0c\uff09\u548c\u8d85\u94fe\u63a5\u603b\u7ebf\uff08HyperLink\uff09\u3002\u8d85\u94fe\u63a5\u603b\u7ebf\u548c\u9ad8\u901f\u8f93\u5165\u8f93\u51fa\u63a5\u53e3\u5b9e\u73b0DSP\u4e0e\u5916\u754c\u4fe1\u606f\u4f20\u8f93\uff0cTeraNet\u603b\u7ebf\u7ed3\u6784\uff08\u901f\u5ea6\u4e3a2Tbps\uff09\u628a\u6240\u6709\u7ec4\u6210\u90e8\u5206\u6709\u673a\u8054\u7cfb\u5728\u4e00\u8d77\uff0c\u5305\u62ec\u4f5c\u4e3a\u4e3b\u8981\u5904\u7406\u5355\u5143\u7684\u591a\u4e2a\u5185\u6838\u4ee5\u53ca\u901a\u4fe1\u534f\u8bae\u5904\u7406\u5668\u548c\u6570\u636e\u4fe1\u606f\u5305\u4f20\u8f93\u534f\u5904\u7406\u5668\uff0c\u80fd\u5b9e\u73b0\u5feb\u901f\u65e0\u51b2\u7a81\u7684\u5185\u90e8\u6570\u636e\u4f20\u9001\u3002<\/p>\n

\n\t\u591a\u6838\u5171\u4eab\u5b58\u50a8\u63a7\u5236\u5668\uff08MSMC\uff09\u914d\u6709DSP\u5185\u6838\u5171\u4eab\u76844 MBSRAM<\/u>\u5b58\u50a8\u5668\uff0c\u5bf9\u5171\u4eab\u5b58\u50a8\u5668\u5b58\u53d6\u548c\u4fe1\u606f\u5305\u4f20\u8f93\u80fd\u591f\u5e76\u53d1\u8fdb\u884c;\u4e3a\u4e86\u5b9e\u73b0\u5bf9\u5916\u90e8\u5b58\u50a8\u5668\u5feb\u901f\u5b58\u53d6\uff0c\u63d0\u4f9b\u4e86\u901f\u5ea6\u4e3a1 600 MHz\u768464\u4f4dDDR3\u63a5\u53e3\uff0c\u5bfb\u5740\u5b58\u50a8\u7a7a\u95f4\u53ef\u8fbe\u52308 GB\u3002\u591a\u6838\u5bfc\u822a\u5668\u914d\u7f6e\u63a7\u52368192\u4e2a\u591a\u7528\u9014\u786c\u4ef6\u961f\u5217\u7684\u961f\u5217\u7ba1\u7406\u5668\uff0c\u5efa\u7acb\u57fa\u4e8eDMA<\/u>\u7684\u96f6\u5f00\u9500\u4fe1\u606f\u5305\u4f20\u9001\u901a\u9053\uff0c\u5f53\u9700\u8981\u5e76\u884c\u5904\u7406\u7684\u591a\u4efb\u52a1\u88ab\u5206\u914d\u5230\u961f\u5217\u4e2d\uff0c\u591a\u6838\u5bfc\u822a\u5668\u901a\u8fc7\u5c06\u4efb\u52a1\u5f15\u5bfc\u5230\u9002\u5f53\u7684\u53ef\u7528\u786c\u4ef6\u6765\u5b9e\u73b0\u4efb\u52a1\u7684\u52a0\u901f\u6d3e\u9063\u3002\u7f51\u7edc\u534f\u5904\u7406\u5668\u652f\u6301\u4fe1\u606f\u5305\u4f20\u9001\u52a0\u901f\u548c\u5b89\u5168\u52a0\u901f\u5f15\u64ce\uff0c\u589e\u5f3a\u4e86\u4e0e\u4e0a\u4f4d\u673a\u7684\u901a\u4fe1\u529f\u80fd\u3002TMS320C6678\u63d0\u4f9b\u4e30\u5bcc\u7684\u9ad8\u901f\u5916\u8bbe\u63a5\u53e3\uff1a\u56db\u8def\u4e32\u884c\u9ad8\u901fIO\uff08SRIO\uff09\uff0c\u6bcf\u8def\u4f20\u8f93\u901f\u5ea6\u6700\u9ad8\u53ef\u8fbe\u52305 GBaud;\u4e24\u901a\u9053PCIe—II\u4f20\u8f93\uff0c\u6bcf\u901a\u9053\u901f\u5ea6\u6700\u9ad8\u53ef\u8fbe5 GBaud;\u8d85\u94fe\u63a5\u603b\u7ebf\uff08HyperLink\uff09\u652f\u6301\u4e0e\u5176\u4ed6\u5177\u6709KeyStone\u67b6\u6784\u7684\u5668\u4ef6\u4e92\u8fde\uff0c\u4f20\u8f93\u901f\u5ea6\u53ef\u8fbe\u523050 GBaud;16\u4f4d\u6269\u5c55\u5b58\u50a8\u5668\u63a5\u53e3\uff0c\u652f\u6301256 MBNAND Flash\u548c16 MB NOR Flash\uff0c\u652f\u6301\u5f02\u6b65SRAM\u5bb9\u91cf\u53ef\u8fbe\u52301 MB;\u4ee5\u53ca16\u4e2aGBIO\u63a5\u53e3\u7b49\uff0c\u8bf8\u591a\u9ad8\u901f\u7684\u5916\u90e8\u63a5\u53e3\u53ef\u4ee5\u4fdd\u8bc1\u591a\u901a\u9053\u9ad8\u91c7\u6837\u7387\u7684\u5927\u91cf\u6570\u636e\u5b9e\u65f6\u8fdb\u5165DSP\u5185\u6838\u8fdb\u884c\u5904\u7406\u3002\u53e6\u5916\uff0cTM S320C6678\u5177\u5907\u52a8\u6001\u7535\u6e90\u76d1\u6d4b\u548cSmartReflex\u7535\u6e90\u7ba1\u7406<\/u>\u6280\u672f\uff0c\u80fd\u591f\u5728\u4f4e\u529f\u8017\u548c\u5f3a\u5927\u8fd0\u7b97\u5904\u7406\u80fd\u529b\u4e4b\u95f4\u8fbe\u5230\u6027\u80fd\u5e73\u8861\u3002<\/p>\n

\n\t\u7efc\u4e0a\u6240\u8ff0\uff0cTMS320C6678\u5904\u7406\u5668\u4e3a\u5f39\u8f7d\u9ad8\u901f\u5b9e\u65f6\u5927\u5bb9\u91cf\u6570\u636e\u5904\u7406\u3001\u6570\u636e\u4f20\u8f93\u548c\u590d\u6742\u7b97\u6cd5\u5b9e\u73b0\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u786c\u4ef6\u5e73\u53f0\u57fa\u7840\u3002\u5176\u4e2d\u7684Keystone\u67b6\u6784\u63d0\u4f9b\u4e86\u4e00\u79cd\u96c6\u6210\u4e86\u7247\u5185\u5404\u79cd\u5b50\u7cfb\u7edf\u7684\u53ef\u7f16\u7a0b\u5e73\u53f0\uff0c\u8be5\u67b6\u6784\u4f7f\u7528\u591a\u79cd\u5f00\u521b\u6027\u7684\u6280\u672f\u548c\u786c\u4ef6\u7ec4\u6210\u4f7f\u5f97\u82af\u7247\u5185\u90e8\u548c\u82af\u7247\u4e4b\u95f4\u7684\u6570\u636e\u4fe1\u606f\u4f20\u8f93\u8fbe\u5230\u6700\u4f73\u5316\uff0c\u4ece\u800c\u4fdd\u969c\u5404\u79cdDSP\u8d44\u6e90\u80fd\u591f\u9ad8\u6548\u65e0\u7f1d\u53d1\u6325\u4f5c\u7528\u3002\u8fd9\u79cd\u4f53\u7cfb\u67b6\u6784\u7684\u4e2d\u67a2\u662f\u79f0\u4e3a\u591a\u6838\u5bfc\u822a\u5668\u7684\u5173\u952e\u7ec4\u6210\u5355\u5143\uff0c\u5b83\u80fd\u591f\u5b9e\u73b0\u5404\u79cd\u82af\u7247\u7ec4\u6210\u4e4b\u95f4\u9ad8\u6548\u7684\u6570\u636e\u7ba1\u7406\uff0c\u5bf9\u5404\u5185\u6838\u8fdb\u884c\u7ba1\u7406\u548c\u534f\u8c03\uff0c\u4f7f\u5f97DSP\u5185\u6838\u9ad8\u6548\u4e92\u8054\uff0c\u4fdd\u8bc1\u591a\u6838\u5904\u7406\u5668\u7684\u6548\u80fd\u5f97\u5230\u53d1\u6325\u3002Teranet\u4ea4\u6362\u7f51\u7edc\u80fd\u5b9e\u73b02Tbps\u7684\u65e0\u963b\u585e\u4fe1\u606f\u4ea4\u6362\uff0c\u80fd\u8fdb\u884c\u5feb\u901f\u65e0\u51b2\u7a81\u7684\u5185\u90e8\u6570\u636e\u4f20\u9001\uff0c\u591a\u6838\u5171\u4eab\u5b58\u50a8\u63a7\u5236\u5668\u786e\u4fdd\u5904\u7406\u5668\u5185\u6838\u65e0\u9700\u901a\u8fc7\u6570\u636e\u4f20\u8f93\u7f51\u7edc\u5c31\u80fd\u591f\u76f4\u63a5\u5b58\u53d6\u5171\u4eab\u5b58\u50a8\u5668\u548c\u5916\u90e8\u5b58\u50a8\u5668\u3002<\/p>\n

\n\t2 \u57fa\u4e8e\u591a\u6838DSP\u7684\u8f6f\u4ef6\u8bbe\u8ba1<\/p>\n

\n\t\u4e3a\u4e86\u6709\u6548\u53d1\u6325\u591a\u6838DSP\u7cfb\u7edf\u7684\u8fd0\u7b97\u5904\u7406\u548c\u6570\u636e\u4f20\u8f93\u80fd\u529b\uff0c\u83b7\u5f97\u591a\u6838DSP\u5b9e\u9645\u5e94\u7528\u7cfb\u7edf\u7684\u6700\u4f73\u6027\u80fd\uff0c\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u57fa\u4e8e\u591a\u6838DSP\u7684\u7cfb\u7edf\u8f6f\u4ef6\u8bbe\u8ba1\uff0c\u8f6f\u786c\u4ef6\u7684\u6709\u673a\u914d\u5408\uff0c\u786e\u4fdd\u591a\u6838DSP\u7684\u529f\u80fd\u548c\u6027\u80fd\u771f\u6b63\u53d1\u6325\u4f5c\u7528\u3002\u5bf9\u4e8e\u57fa\u4e8e\u591a\u6838DSP\u7684\u4fe1\u606f\u5904\u7406\u7cfb\u7edf\uff0c\u5c3d\u7ba1\u591a\u6838DSP\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\u786c\u4ef6\u57fa\u7840\uff0c\u5728\u7cfb\u7edf\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u8003\u8651\u6bcf\u4e2a\u5185\u6838\u4e4b\u95f4\u7684\u4efb\u52a1\u5206\u914d\u548c\u4fe1\u606f\u4f20\u8f93\uff0c\u56e0\u6b64\uff0c\u4e3a\u5145\u5206\u5229\u7528\u591a\u6838DSP\u7684\u786c\u4ef6\u4f18\u52bf\uff0c\u591a\u6838DSP\u7cfb\u7edf\u5e76\u884c\u8f6f\u4ef6\u8bbe\u8ba1\u662f\u5173\u952e\uff0c\u591a\u6838DSP\u5bf9\u8f6f\u4ef6\u8bbe\u8ba1\u63d0\u51fa\u65b0\u7684\u6311\u6218\uff0c\u540c\u65f6\u4e5f\u5bfc\u81f4\u8f6f\u4ef6\u8bbe\u8ba1\u7406\u5ff5\u548c\u8bbe\u8ba1\u65b9\u6cd5\u7684\u6539\u53d8\u3002<\/p>\n

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\n\t\u4e3a\u4e86\u5168\u9762\u6316\u6398\u591a\u6838\u5904\u7406\u5668\u7684\u6f5c\u529b\u3001\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u4f18\u52bf\uff0c\u8f6f\u4ef6\u8bbe\u8ba1\u4eba\u5458\u5fc5\u987b\u638c\u63e1\u76f8\u5e94\u7684\u5e76\u884c\u8f6f\u4ef6\u8bbe\u8ba1\u6280\u672f\uff0c\u5c06\u5f39\u8f7d\u4fe1\u606f\u5904\u7406\u7cfb\u7edf\u4efb\u52a1\u6620\u5c04\u5230\u5404DSP\u5185\u6838\u3002\u4efb\u52a1\u5e76\u884c\u662f\u6307\u8f6f\u4ef6\u4e2d\u7684\u72ec\u7acb\u4efb\u52a1\u540c\u65f6\u6267\u884c\u3002\u5bf9\u4e8e\u4e00\u4e2a\u5355\u6838\u5904\u7406\u5668\uff0c\u5404\u5355\u72ec\u4efb\u52a1\u5fc5\u987b\u5171\u4eab\u540c\u4e00\u4e2a\u5904\u7406\u5668;\u800c\u5728\u4e00\u4e2a\u591a\u6838\u5904\u7406\u5668\u4e0a\uff0c\u5404\u4efb\u52a1\u5b9e\u8d28\u4e0a\u662f\u76f8\u4e92\u72ec\u7acb\u8fd0\u884c\uff0c\u4ece\u800c\u5bfc\u81f4\u66f4\u9ad8\u6548\u7684\u4efb\u52a1\u6267\u884c\u3002<\/p>\n

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