{"id":2125,"date":"2019-01-21T02:50:52","date_gmt":"2019-01-21T02:50:52","guid":{"rendered":""},"modified":"2019-01-21T10:51:31","modified_gmt":"2019-01-21T02:51:31","slug":"%e5%be%ae%e6%8e%a7%e5%88%b6%e5%99%a8%e5%92%8cfpga%e7%9a%84%e9%85%8d%e5%af%b9%e6%88%96%e6%98%af%e4%bd%a0%e8%ae%be%e8%ae%a1%e6%88%90%e5%8a%9f%e7%9a%84%e5%85%b3%e9%94%ae","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2125","title":{"rendered":"\u5fae\u63a7\u5236\u5668\u548cFPGA\u7684\u914d\u5bf9\u6216\u662f\u4f60\u8bbe\u8ba1\u6210\u529f\u7684\u5173\u952e"},"content":{"rendered":"

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\n\t <\/div>\n

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\n\t\u56fe2\uff1a\u4e2d\u65ad\u63a7\u5236\u5668\u548cDMA\u63a7\u5236\u5668\u6846\u56fe\u4e3a\u7231\u7279\u6885\u5c14MCU AT32UC3A\u3002 \uff08\u7231\u7279\u6885\u5c14\u63d0\u4f9b\uff09<\/p>\n

\n\t\u8be5AT32UC3A MCU\u7684DMA\u63a7\u5236\u5668\uff0c\u6846\u56fe\uff0c\u5176\u4e2d\u663e\u793a\u5728\u56fe2\u53f3\u4fa7\u7684\uff0c\u8fde\u63a5\u5230\u8bb8\u591a\u4e0d\u540c\u7684\u5916\u56f4\u8bbe\u5907\uff0c\u5728\u53f3\u4fa7\u7684DMA\u6846\u56fe\u6240\u793a\u3002\u5916\u56f4DMA\u63a7\u5236\u5668\u4f18\u5148\u57fa\u4e8e\u4e0e\u6bcf\u4e2a\u5916\u8bbe\u76f8\u5173\u7684DMA\u901a\u9053\u6570\u7684\u6bcf\u4e2a\u5916\u8bbeDMA\u8bf7\u6c42\uff08\u5916\u8bbe\u88ab\u5206\u914d\u5230\u4e00\u4e2a\u4fe1\u9053\u7531\u4e00\u4e2a\u914d\u7f6e\u5bc4\u5b58\u5668\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u5b8c\u5168\u53ef\u7f16\u7a0b\u7684\uff09\u4e0e\u5177\u6709\u8f83\u9ad8\u4f18\u5148\u7ea7\u8f83\u4f4e\u7684\u4fe1\u9053\u53f7\u3002\u8fd9\u5141\u8bb8DMA\u4f20\u8f93\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u8fdb\u884c\u5206\u7ec4\uff0c\u5e76\u4e3a\u6700\u6709\u6548\u7684\u6570\u636e\u4f20\u9001\u53ef\u80fd\u4f18\u5316\u3002\u4f18\u5148\u7ea7\uff0c\u751a\u81f3\u53ef\u4ee5\u5f53\u91cd\u65b0\u5206\u914d\u7b97\u6cd5\u9752\u7750\u4e00\u79cd\u7c7b\u578b\u7684\u8f6c\u79fb\u5728\u53e6\u4e00\u4e2a\u7684\u90e8\u5206\u3002<\/p>\n

\n\t\u4f20\u611f\u5668\u878d\u5408\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7cfb\u7edf\u6548\u7387<\/p>\n

\n\t\u5982\u524d\u6240\u8ff0\uff0cFPGA\u7684\u53ef\u7528\u4e8e\u901a\u8fc7\u91c7\u7528DSP\u6280\u672f\u6765\u9884\u5148\u5904\u7406\u4f20\u611f\u5668\u6570\u636e\u3002\u7279\u522b\u662f\uff0cFPGA\uff0c\u5177\u6709DSP\u5757\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u5171\u540c\u7684\u8fc7\u6ee4\u7b97\u6cd5\u4e2d\uff0c\u4f8b\u5982\u6709\u9650\u8109\u51b2\u54cd\u5e94\uff08FIR\uff09\u6ee4\u6ce2\u5668<\/u>\uff0c\u65e0\u9650\u8109\u51b2\u54cd\u5e94\uff08IIR\uff09\u6ee4\u6ce2\u5668\u548c\u5feb\u901f\u5085\u7acb\u53f6\u53d8\u6362\uff08FFT\uff09\u3002\u7531\u4e8e\u8fd9\u4e9b\u786c\u4ef6\u6a21\u5757\u53ef\u4ee5\u64cd\u4f5c\u65e0\u8bba\u662f\u5728\u4e32\u884c\u6216\u5e76\u884c\u7684\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u6784\u5efa\u8fc7\u6ee4\u5668\u57fa\u4e8e\u5e26\u5bbd\u548c\u529f\u7387\u8981\u6c42\u7684\u6700\u4f73\u914d\u7f6e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u591a\u4e2a\u4f20\u611f\u5668\u8f93\u51fa\u9700\u8981\u88ab\u8fc7\u6ee4\uff0c\u5728FPGA\u65e2\u53ef\u4ee5\u4f7f\u7528\u5355\u72ec\u7684\u8fc7\u6ee4\u5668\u5757\uff0c\u6bcf\u4e2a\u4f20\u611f\u5668\uff08\u5982\u679c\u5e26\u5bbd\u8981\u6c42\u662f\u8db3\u591f\u9ad8\uff09\uff0c\u6216\u4f7f\u7528\u4e00\u4e2a\u5355\u4e00\u8fc7\u6ee4\u5668\u5757\u548c\u591a\u4e2a\u4f20\u611f\u5668\u4e4b\u95f4\u591a\u8def\u590d\u7528\u5b83\uff08\u5982\u679c\u5e26\u5bbd\u8981\u6c42\u662f\u8db3\u591f\u4f4e\uff09\u3002<\/p>\n

\n\t\u9664\u4e86\u9884\u5904\u7406\u539f\u59cb\u4f20\u611f\u5668\u6570\u636e\u65f6\uff0cFPGA\u8fd8\u53ef\u4ee5\u7ed3\u5408\u7684\u8bfb\u6570\u4ece\u591a\u4e2a\u4f20\u611f\u5668\uff0c\u4ee5\u667a\u80fd\u7684\u65b9\u5f0f\u6765\u8fdb\u4e00\u6b65\u5378\u8f7d\u7684MCU\u5904\u7406\u8981\u6c42\u3002\u4f20\u611f\u5668“\u878d\u5408”\u7684\u7b97\u6cd5\uff0c\u7ed3\u5408\u672c\u5730\u591a\u4e2a\u4f20\u611f\u5668\u8bfb\u6570\uff0c\u4e4b\u524d\u901a\u77e5MCU\u7684\u5904\u7406\u662f\u5fc5\u9700\u7684\uff0c\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8\u7cfb\u7edf\u6548\u7387\u3002\u7ed3\u5408\u5fc3\u810f\u901f\u7387\uff0c\u6e29\u5ea6\uff0c\u4ee5\u53ca\u6392\u6c57\u8bfb\u6570\u548c\u6bd4\u5bf9FPGA\u5185\u90e8\u8bbe\u7f6e\u7684\u8b66\u62a5\u6c34\u5e73\u7684\u7ec4\u5408\uff0c\u4f8b\u5982\uff0c\u53ef\u4ee5\u63d0\u4f9b\u5fae\u63a7\u5236\u5668\u4e0e\u4e0d\u4ec5\u4ec5\u662f\u539f\u59cb\u6570\u636e\u66f4\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002<\/p>\n

\n\t\u8be5MCU\u901a\u5e38\u9700\u8981\u505a\u4e00\u4e9b\u6570\u636e\u7684\u5904\u7406\u81ea\u5df1\uff0c\u4f46\u662f\u3002\u5b83\u4e0d\u80fd\u653e\u5f03\u4e00\u5207\u5230FPGA\u4e2d\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u5373\u4f7f\u662f\u5ec9\u4ef7\u7684\u5fae\u63a7\u5236\u5668\u73b0\u5728DSP\u7684\u5904\u7406\u80fd\u529b\uff0c\u5e76\u4e14\u53ef\u4ee5\u6709\u6548\u5730\u7d27\u7f29\u5927\u91cf\u6570\u636e\u3002\u4e45\u8d1f\u76db\u540d\u7684Microchip<\/u>\u7684PIC MCU\u7cfb\u5217\uff0c\u4f8b\u5982\uff0c\u5177\u6709DSP\u7684\u5bb6\u5ead\u6210\u5458\uff0c\u5982DSPIC 33EP\uff08\u5982DSPIC33EP32MC202\uff09\uff0c\u5728\u9ad8\u8fbe70 MIPS\u7684\u64cd\u4f5c\u4e0e\u67d0\u4e9b\u6307\u4ee4\u6267\u884c\u591a\u8fbe8\u4e2a\u64cd\u4f5c\u4e00\u6b21\u3002\u8fc7\u6ee4\u5668\u7684\u6307\u4ee4\u53ef\u4ee5\u53d7\u76ca\u4e8e40\u4f4d\u7d2f\u52a0\u5668\u589e\u52a0\u5b9a\u70b9\u7cbe\u5ea6\u3002\u5728DSPIC33EP\u4e13\u7528\u786c\u4ef6DSP\u5f15\u64ce\u7684\u6846\u56fe\u5982\u56fe3\u6240\u793a\u3002<\/p>\n

\n\t\u6846\u56fe\u5728Microchip\u7684dsPIC33\u7cfb\u5217MCU<\/p>\n

\n\t\"\u5fae\u63a7\u5236\u5668\u548cFPGA\u7684\u914d\u5bf9\u6216\u662f\u4f60\u8bbe\u8ba1\u6210\u529f\u7684\u5173\u952e\"<\/p>\n

\n\t\u56fe3\uff1aDSP\u5f15\u64ce\u6846\u56fe\u5728Microchip\u7684dsPIC33\u7cfb\u5217MCU\u3002 \uff08Microchip\u7684\u63d0\u4f9b\uff09<\/p>\n

\n\tDSP\u5f15\u64ce\u5305\u62ec\u4e00\u4e2a17×17\u4e58\u6cd5\u5668\/\u5b9a\u6807\u5668\u96f6\u56de\u586b\u5e76\u7b7e\u7f72\u6269\u5c55\u5230\u521b\u5efa\u4e00\u4e2a40\u4f4d\u7684\u7ed3\u679c\u3002\u9664\u6cd5\u8fd0\u7b97\u4f7f\u7528\u7684\u662f19\u6b21\u8fed\u4ee3\u4e00\u4e2a\u91cd\u590d\u5faa\u73af\u901a\u8fc7\u4e00\u4e2a\u5355\u72ec\u7684\u786c\u4ef6\u9664\u6cd5\u6a21\u5757\u5b9e\u73b0\u7684\uff0c\u4e14\u662f\u53ef\u4e2d\u65ad\u964d\u4f4e\u6700\u574f\u60c5\u51b5\u4e0b\u7684\u4e2d\u65ad\u5ef6\u8fdf\u3002\u6876\u5f0f\u79fb\u4f4d\u5668\u6709\u52a9\u4e8e\u6b63\u786e\u5730\u8c03\u6574\u6570\u636e\u4e3a40\u4f4d\u52a0\u6cd5\u5668\u548c\u53cc40\u4f4d\u7d2f\u52a0\u5668\u3002\u8fd9\u79cd\u4e30\u5bcc\u7684DSP\u7684\u5904\u7406\u786c\u4ef6\u9664\u4e86\u5e38\u89c4\u7684ALU\uff0c\u63d0\u4f9b16\u4f4d\u7684\u52a0\uff0c\u51cf\uff0c\u548c\u4f4d\u64cd\u4f5c\u3002\u6709\u4e86\u8fd9\u4e2a\u5e7f\u6cdb\u7684\u96c6\u6570\u636e\u5904\u7406\u786c\u4ef6\uff0c\u751a\u81f3\u590d\u6742\u7684\u64cd\u4f5c\u90fd\u53ef\u4ee5\u975e\u5e38\u6709\u6548\u5730\u652f\u6301\u3002<\/p>\n

\n\t\u7684SoC FPGA\u7684\u786c\u4ef6\u52a0\u901f\u548c\u57fa\u4e8e\u5fae\u63a7\u5236\u5668\u7684\u5904\u7406<\/p>\n

\n\tFPGA\u548c\u5fae\u63a7\u5236\u5668\u505a\u51fa\u8fd9\u6837\u7684\u597d\u540c\u4f34\u7684FPGA\u4f9b\u5e94\u5546\u751a\u81f3\u628aMCU\u7684\u540c\u4f34\u5728\u5176\u8bbe\u5907\u4e0a\u3002\u5f53\u8fd9\u4e9b\u7cfb\u7edf\u7ea7\u82af\u7247\uff08SoC\uff09\u7684FPGA\u7528\u4f5c\u540c\u4f34\u9ad8\u7aefMCU\u7684\uff0c\u66f4\u590d\u6742\u7684\u529f\u80fd\u53ef\u4ee5\u88ab\u79fb\u52a8\u5230FPGA\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u4f8b\u5b50\u662f\u7528\u4e8eFPGA\u6765\u5904\u7f6e\u8bb8\u591a\u7cfb\u7edf\u754c\u9762\uff0c\u4e0d\u4ec5\u4e0e\u6807\u51c6\u5916\u8bbe\u8fd8\u4e0e\u5916\u90e8\u5b58\u50a8\u5668\u3002\u7531\u4e8e\u7684SoC FPGA\u6709\u663e\u8457\u7684\u7247\u4e0a\u5b58\u50a8\u5668\uff0c\u5fae\u63a7\u5236\u5668\u6765\u7ba1\u7406\u6570\u636e\u7f13\u51b2\u548c\u5904\u7406\u901a\u4fe1\u6846\u67b6\u548c\u5916\u90e8\u5b58\u50a8\u63a7\u5236\u5668\uff0c\u4f60\u6709\u4f60\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u901a\u4fe1\u4fe1\u9053\u63a7\u5236\u5668\uff0c\u6865\u6881\uff0c\u6216\u805a\u5408\u788e\u7247\u3002\u8fd9\u53ef\u4ee5\u79bb\u5f00\u4e3bMCU\u7ba1\u7406\u66f4\u9ad8\u6c34\u5e73\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u4eba\u673a\u754c\u9762\uff08HMI\uff09\uff0c\u8fc7\u7a0b\u63a7\u5236\uff0c\u4ee5\u53ca\u670d\u52a1\u8d28\u91cf\u7684\u4f18\u5316\u3002<\/p>\n

\n\t\u4e00\u4e9b\u7684SoC FPGA\u5177\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u53ef\u4ece\u4e3b\u673aMCU\u5378\u8f7d\u66f4\u662f\u4f4e\u5c42\u6b21\u5904\u7406\u3002\u4f8b\u5982\uff0cMicrosemi<\/u>\u7684SmartFusion2 SoC\u7684FPGA\u7cfb\u5217\uff08M2S050-FGG896\u7684\u6846\u56fe\u5982\u56fe4\u6240\u793a\uff09\uff0c\u4e0d\u4ec5\u62e5\u6709\u5b8c\u6574\u7684ARM<\/u> Corte<\/u>x\u5b50\u7cfb\u7edf\uff0c\u4f46\u5176\u7247\u4e0a\u95ea\u5b58NVM\u548cSRAM\u5757\u663e\u8457\u4e3aMCU\u7684\u4e00\u90e8\u5206\u5b50\u7cfb\u7edf\u3002\u8fd9\u4e9b\u5b58\u50a8\u5668\u53ef\u4ee5\u4e0e\u5904\u7406\u5668\u4e00\u8d77\u4f7f\u7528\uff0c\u4f5c\u4e3a\u4ee3\u7801\u548c\u6570\u636e\u5b58\u50a8\uff0c\u4e0e\u82af\u7247\u5916\u7684DDR\u63a7\u5236\u5668\u4f5c\u4e3a\u5927\u7f13\u51b2\u5b58\u50a8\u5668\uff0c\u5e76\u4e0ePCIe\u548c\u4ee5\u592a\u7f51<\/u>\u63a7\u5236\u5668\u4f5c\u4e3a\u5148\u8fdb\u5148\u51fa\u5b58\u50a8\u3002\u667a\u80fdDMA\u63a7\u5236\u5668\u53ef\u4ee5\u7ba1\u7406\u8bb8\u591a\u6570\u636e\u4f20\u8f93\u7684\u4e0d\u4e2d\u65ad\u7684\u5904\u7406\u5668\u3002<\/p>\n

\n\tMicrosemi\u7684SmartFusion2 SoC\u7684FPGA\u7684\u6846\u56fe<\/p>\n

\n\t\"\u5fae\u63a7\u5236\u5668\u548cFPGA\u7684\u914d\u5bf9\u6216\u662f\u4f60\u8bbe\u8ba1\u6210\u529f\u7684\u5173\u952e\"<\/p>\n

\n\t\u56fe4\uff1aMicrosemi\u7684SmartFusion2 SoC\u7684FPGA\u7a0b\u5e8f\u6846\u56fe\u3002 \uff08Microsemi\u516c\u53f8\u63d0\u4f9b\uff09<\/p>\n

\n\tSmartFusion2\u7684SoC FPGA\u8fd8\u5177\u6709\u7247\u4e0a\u786c\u4ef6\u7684\u5b89\u5168\u6027\uff0c\u53ef\u7528\u4e8e\u4fdd\u62a4\u8fdc\u7a0b\u4ee3\u7801\u66f4\u65b0\u6765\u81ea\u9ed1\u5ba2\u548c\u5176\u4ed6\u5b89\u5168\u5a01\u80c1\u3002\u5927\u578b\u7247\u4e0a\u95ea\u5b58\u53ef\u7528\u4e8e\u5b58\u50a8\u53d7\u4fdd\u62a4\u7684\u5f15\u5bfc\u4ee3\u7801\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u652f\u6301\u5b89\u5168\u542f\u52a8\u7684\u64cd\u4f5c\uff0c\u5373\u4f7f\u6ca1\u6709\u672c\u5730\u5b89\u5168\u529f\u80fd\u7684\u4e3b\u673a\u5904\u7406\u5668\u3002\u5927\u91cf\u7684\u53ef\u7f16\u7a0b\u7ed3\u6784\u53ef\u4ee5\u4ece\u4e3b\u673a\u63a7\u5236\u5668\u63d0\u4f9b\u5b9a\u5236\u786c\u4ef6\u52a0\u901f\uff0c\u8fdb\u4e00\u6b65\u5378\u8f7d\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5e95\u76d8\u63a7\u5236\u7cfb\u7edf\uff0c\u53ef\u7f16\u7a0b\u7ec7\u7269\u53ef\u4ee5\u7528\u4e8eDSP\u7684\u9884\u5904\u7406\u4f20\u611f\u5668\u6570\u636e\uff0c\u4f20\u611f\u5668\u878d\u5408\u7ec4\u5408\u7684\u7535\u538b\uff0c\u7535\u6d41\uff0c\u548c\u6e29\u5ea6\u8bfb\u6570\uff0c\u9a6c\u8fbe\u63a7\u5236\u7684\u673a\u7bb1\u98ce\u6247\u63a7\u5236\u7cfb\u7edf\u7684\u6e29\u5ea6\uff0c\u63a7\u5236\u53f0\u63a5\u53e3\uff0c\u672c\u5730\u8bca\u65ad\u76d1\u6d4b\u548c\u63a7\u5236\uff0c\u6216\u901a\u8fc7PCIe\u6865\u63a5\u81f3\u5176\u4ed6\u63a7\u5236\u5e73\u9762\u529f\u80fd\u3002\u968f\u7740SoC\u7684FPGA\u7684\u540c\u4f34\u5b9e\u9645\u4e0a\u53ef\u80fd\u627f\u62c5\u66f4\u591a\u7684\u5904\u7406\u6bd4\u4e3b\u673a\uff0c\u5207\u6362\u4e00\u4e2aMCU\u4e4b\u95f4\u7684\u4f20\u7edf\u89d2\u8272\u4f5c\u4e3a\u4e3b\u89d2\uff0c\u5e76\u4ec5\u5728\u6b21\u8981\u8f85\u52a9\u4f5c\u7528\u7684FPGA\u3002<\/p>\n

\n\t\u7ed3\u8bba<\/p>\n

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