{"id":2645,"date":"2019-06-17T01:00:44","date_gmt":"2019-06-17T01:00:44","guid":{"rendered":""},"modified":"2019-06-17T09:02:03","modified_gmt":"2019-06-17T01:02:03","slug":"%e9%9d%9e%e6%98%93%e5%a4%b1%e5%8f%af%e9%87%8d%e5%a4%8d%e7%bc%96%e7%a8%8bfpga%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2645","title":{"rendered":"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528"},"content":{"rendered":"

\n\tFPGA\u8bbe\u8ba1\u8005\u5bf9\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u559c\u7231\u4ecd\u5728\u5ef6\u7eed\uff0c\u8fd9\u79cd\u65b9\u6848\u6240\u9700\u7684\u76f8\u5173\u989d\u5916\u8d39\u7528\u5e76\u4e0d\u592a\u5927 \u3002\u8bbe\u8ba1\u4eba\u5458\u5bf9\u5176\u7684\u559c\u7231\u6e90\u4e8e\u4ed6\u4eec\u559c\u6b22\u4ece\u4e00\u79cd\u4ea7\u54c1\u4e2d\u83b7\u53d6\u591a\u79cd\u80fd\u529b\uff0c\u800c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u53ea\u6709\u975e\u6613\u5931\u6027\u89e3\u51b3\u65b9\u6848\u80fd\u591f\u6ee1\u8db3\u4ed6\u4eec\u7684\u8981\u6c42\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u63d0\u4f9b\uff1a\u6700\u5c0f\u7684\u7535\u8def\u677f<\/u>\u9762\u79ef\u548c\u6700\u7b80\u5355\u7684\u7cfb\u7edf\u96c6\u6210\u3001\u4e0a\u7535\u540e\u80fd\u5f88\u5feb\u5730\u83b7\u53d6\u903b\u8f91\uff0c\u4ee5\u53ca\u6700\u9ad8\u7684\u5b89\u5168\u6027\u3002<\/p>\n

\n\t\u4e8b\u5b9e\u4e0a\uff0c\u9664\u4e86\u8fd9\u4e9b\u4f20\u7edf\u8981\u6c42\uff0c\u5728\u524d\u4e24\u4ee3\u975e\u6613\u5931FPGA\u4ea7\u54c1\u7684\u7ecf\u9a8c\u57fa\u7840\u4e0a\uff0c\u83b1\u8fea\u601d\u534a\u5bfc\u4f53\uff08Lattice<\/u> Semi<\/u>conductor\uff09\u516c\u53f8\u8fd8\u8ba4\u8bc6\u5230\u9700\u8981\u7075\u6d3b\u7684\u7247\u4e0a\u975e\u6613\u5931\u5b58\u50a8\u5668<\/u>\uff0c\u4ee5\u53ca\u4f5c\u4e3a\u975e\u6613\u5931FPGA\u65b0\u8981\u6c42\u7684\u7528\u4e8e\u73b0\u573a\u903b\u8f91\u66f4\u65b0\u7684\u5168\u9762\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u975e\u6613\u5931FPGA\u7684\u51e0\u79cd\u65b9\u6848<\/p>\n

\n\t\u5982\u4eca\u5e02\u573a\u4e0a\u6709\u4e09\u79cd\u7c7b\u578b\u7684FPGA\uff1a\u7b2c\u4e00\u79cd\u662f\u4f20\u7edf\u7684SRAM<\/u> FPGA\uff0c\u7cfb\u7edf\u4e0a\u7535\u65f6\u9700\u8981\u4e00\u4e2a\u5916\u90e8\u7684\u975e\u6613\u5931\u5b58\u50a8<\/u>\u5668\u6765\u914d\u7f6eFPGA\uff1b\u7b2c\u4e8c\u79cd\u662f\u6df7\u5408\u65b9\u6cd5\uff0c\u628aSRAM FPGA\u548c\u975e\u6613\u5931\u5b58\u50a8\u5668\u7ec4\u5408\u5728\u5355\u4e2a\u5c01\u88c5\u4e2d\uff1b\u7b2c\u4e09\u79cd\u5e38\u79f0\u4e3a\u771f\u6b63\u7684\u5355\u7247\u975e\u6613\u5931FPGA\uff0c\u5c06\u975e\u6613\u5931\u7684\u5355\u5143\u5d4c\u5165\u5728\u540c\u4e00\u88f8\u7247\u4e0a\u4f5c\u4e3aFPGA\u903b\u8f91\u3002\u5982\u56fe1\u6240\u793a\uff0c\u6df7\u5408\u65b9\u6cd5\u6bd4SRAM\u65b9\u6cd5\u597d\u4e00\u4e9b\uff0c\u800c\u771f\u6b63\u7684\u975e\u6613\u5931\u65b9\u6cd5\u5219\u662f\u6700\u4f73\u65b9\u6848\uff0c\u5177\u6709\u5c0f\u5c3a\u5bf8\u3001\u9ad8\u5b89\u5168\u6027\u548c\u4e0a\u7535\u65f6\u7684\u77ac\u65f6\u8fd0\u4f5c\u3002<\/p>\n

\n\t\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u7684\u5e94\u7528<\/p>\n

\n\t\u5728\u8bf8\u5982\u901a\u4fe1\u3001\u6d88\u8d39\u3001\u8ba1\u7b97\u3001\u519b\u4e8b\u548c\u6c7d\u8f66\u7b49\u5e7f\u6cdb\u4e14\u591a\u6837\u7684\u7ec8\u7aef\u5e02\u573a\u4e2d\uff0c\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u88ab\u7528\u6765\u5b9e\u73b0\u7cfb\u7edf\u903b\u8f91\u3002\u975e\u6613\u5931FPGA\u7279\u522b\u5438\u5f15\u90a3\u4e9b\u8981\u6c42\u51cf\u5c11\u90e8\u4ef6\u6570\u548c\u5360\u4f4d\u9762\u79ef\uff0c\u5e76\u8fc5\u901f\u83b7\u5f97\u903b\u8f91\u6216\u9ad8\u5b89\u5168\u6027\u7684\u5e94\u7528\u3002<\/p>\n

\n\t1 \u5c0f\u5c3a\u5bf8\u5e94\u7528<\/p>\n

\n\t\u8fd9\u91cc\u6240\u8bf4\u7684\u5c0f\u5c3a\u5bf8\u5e94\u7528\u5305\u62ec\uff1a\u624b\u6301\u6761\u7801\u626b\u63cf\u5668\u3001\u624b\u6301\u6761\u7801\u9605\u8bfb\u5668\u3001\u667a\u80fd\u7535\u8bdd\u3001\u4eea\u5668\u4e0e\u4f20\u611f\u5668<\/u>\u3001\u822a\u7a7a\u7535\u5b50\u8bbe\u5907\u7b49\u3002\u4f20\u7edf\u7684 SRAM FPGA \u9700\u8981\u4e00\u4e2a\u5f15\u5bfc\u5b58\u50a8\u5668\uff0c\u5728\u4e0a\u7535\u65f6\u8f7d\u5165SRAM\u914d\u7f6e\u3002\u6709\u65f6\u5019\u914d\u7f6e\u8f7d\u5165\u901a\u8fc7\u7535\u8def<\/u>\u677f\u4e0a\u7684\u5fae\u5904\u7406\u5668\u6765\u5b8c\u6210\uff0c\u800c\u53e6\u5916\u4e00\u4e9b\u65f6\u5019\u5e94\u7528\u4e2d\u9700\u8981\u4e00\u4e2a\u72ec\u7acb\u7684\u5f15\u5bfc\u5b58\u50a8\u5668\u3002\u8fd9\u4e24\u4e2a\u89e3\u51b3\u65b9\u6848\u90fd\u4e0d\u7406\u60f3\u3002\u4ece\u7cfb\u7edf\u5fae\u5904\u7406\u5668\u8fdb\u884c\u5f15\u5bfc\u5f15\u5165\u4e86\u989d\u5916\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u95f4\u7684\u76f8\u4e92\u4f9d\u8d56\uff0c\u8fd8\u8981\u6c42\u5fae\u5904\u7406\u5668\u5728FPGA\u914d\u7f6e\u524d\u5c31\u8fd0\u884c\uff0c\u4ece\u800c\u963b\u788d\u4e86\u5176\u5728\u7cfb\u7edf\u4e2d\u7684\u6838\u5fc3\u529f\u80fd\u3002\u4f7f\u7528\u72ec\u7acb\u7684\u5f15\u5bfc\u5b58\u50a8\u5668\u5219\u589e\u52a0\u4e86\u7535\u8def\u677f\u7684\u9762\u79ef\u3001\u5143\u4ef6\uff0c\u53ca\u76f8\u5173\u6210\u672c\u3002\u901a\u8fc7\u6574\u5408\u7247\u4e0a\u7684\u5f15\u5bfc\u5b58\u50a8\u5668\uff0c\u975e\u6613\u5931FPGA\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u9009\u65b9\u6848\uff0c\u4e5f\u662f\u66f4\u52a0\u5b8c\u7f8e\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\n\t2 \u8981\u6c42\u5feb\u901f\u83b7\u5f97\u903b\u8f91\u7684\u5e94\u7528<\/p>\n

\n\t\u7247\u4e0a\u975e\u6613\u5931\u5b58\u50a8\u5668\u80fd\u4f7f\u5668\u4ef6\u5728\u4e0a\u75351\u6beb\u79d2\u5185\u51c6\u5907\u597d\u8fd0\u4f5c\uff0c\u4e0eSRAM\u548c\u6df7\u5408FPGA\u76f8\u6bd4\uff0cSRAM\u548c\u6df7\u5408FPGA\u7684\u914d\u7f6e\u9700\u8981\u6570\u5341\u6216\u51e0\u767e\u6beb\u79d2\u3002\u56fe2\u4e3a“\u5524\u9192\u65f6\u95f4”\u7684\u5dee\u522b\u3002\u5728\u8bb8\u591a\u5e38\u89c1\u5e94\u7528\u4e2d\uff0c\u771f\u6b63\u7684\u975e\u6613\u5931FPGA\u6240\u5e26\u6765\u7684\u5feb\u901f\u83b7\u5f97\u903b\u8f91\u7684\u529f\u80fd\u6b63\u662f\u4eba\u4eec\u5e0c\u671b\u5f97\u5230\u7684\u7279\u6027\u3002\u8fd9\u4e9b\u5e94\u7528\u5305\u62ec\uff1a\u5373\u63d2\u5373\u7528\u603b\u7ebf\u63a5\u53e3<\/u>\uff08PCI\uff0c PCI Express\uff0c CAN<\/u>\uff09\u3001\u4e0a\u7535\u590d\u4f4d\u63a7\u5236\u3001\u5904\u7406\u5668\u603b\u7ebf\u8bd1\u7801\u3001FPGA\u52a0\u8f7d\u5668\u3001ASIC<\/u>\u521d\u59cb\u5316\u4ee5\u53ca\u4f7f\u7528\u5de5\u4f5c\u5faa\u73af\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u7b49\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe1\uff1a \u4e09\u79cd\u4e0d\u540c\u7c7b\u578b\u7684FPGA<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe2 \u5177\u6709\u975e\u6613\u5931FPGA\u7684\u8fc5\u901f\u83b7\u5f97\u903b\u8f91\u7684\u80fd\u529b<\/p>\n

\n\t3 \u8981\u6c42\u8bbe\u8ba1\u5b89\u5168\u6027\u7684\u5e94\u7528<\/p>\n

\n\t\u5728\u5f53\u4eca\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\uff0c\u8d8a\u6765\u8d8a\u591a\u7684FPGA\u88ab\u7528\u6765\u53d6\u4ee3\u4f20\u7edf\u4e0a\u7528ASIC\u548c\u5fae\u5904\u7406\u5668\u5b9e\u73b0\u7684\u529f\u80fd\u3002\u5341\u5e74\u524d\uff0cFPGA\u53ea\u662f\u7cfb\u7edf\u7684\u5916\u56f4\uff0c\u800c\u5982\u4eca\u5b83\u662f\u5fc3\u810f\u3002\u76ee\u524d\u7684FPGA\u5de5\u827a\u5df2\u4f7f\u95e8\u6570\u91cf\u8fbe\u5230\u51e0\u767e\u4e07\uff0cFPGA\u6210\u4e3a\u975e\u6cd5\u76d7\u7248\u8005\u7684\u76ee\u6807\u3002FPGA\u8bbe\u8ba1\u8005\u9010\u6e10\u5f00\u59cb\u5173\u6ce8\u514b\u9686\u3001\u53cd\u5411\u5de5\u7a0b\u3001\u8fc7\u91cf\u751f\u4ea7\u3001\u76d7\u7248\u670d\u52a1\u7b49\u95ee\u9898\u3002<\/p>\n

\n\t\u7cfb\u7edf\u8bbe\u8ba1\u8005\u4f7f\u7528\u7684\u5927\u591a\u6570SRAM FPGA\u9700\u8981\u5728\u7cfb\u7edf\u6bcf\u6b21\u4e0a\u7535\u65f6\u7531\u5f15\u5bfc\u5668\u4ef6\u8fdb\u884c\u914d\u7f6e\u3002\u5f15\u5bfc\u5668\u4ef6\u548cFPGA\u4e4b\u95f4\u7684\u8fde\u63a5\u5b58\u5728\u5f88\u5927\u7684\u98ce\u9669\uff0c\u56e0\u4e3a\u914d\u7f6e\u6570\u636e\u66b4\u9732\u5728\u5916\uff0c\u6613\u4e8e\u5728\u4e0a\u7535\u65f6\u88ab\u76d7\u53d6\u3002\u5728\u5c01\u88c5\u4e2d\u5d4c\u5165\u975e\u6613\u5931\u5b58\u50a8\u5668\u7684\u6df7\u5408\u65b9\u6cd5\u5bf9\u8fd9\u79cd\u60c5\u51b5\u7684\u6539\u8fdb\u6709\u9650\u3002\u7136\u800c\uff0c\u76f8\u5173\u7684\u5de5\u5177\u80fd\u591f\u514d\u9664\u5c01\u88c5\u6750\u6599\u5e76\u83b7\u5f97\u88f8\u7247\u7684\u4e92\u8fde\u3002\u771f\u6b63\u7684\u5355\u7247\u975e\u6613\u5931\u5668\u4ef6\u6ca1\u6709\u8fd9\u6837\u7684\u4e92\u8054\uff0c\u56e0\u6b64\u80fd\u591f\u63d0\u4f9b\u7edd\u4f73\u7684\u8bbe\u8ba1\u5b89\u5168\u6027\u3002<\/p>\n

\n\t\u9664\u4e86\u8bbe\u8ba1\u88ab\u76d7\u53d6\u6216\u590d\u5236\uff0c\u5728\u8bb8\u591a\u7cfb\u7edf\u4e2d\u5f88\u91cd\u8981\u7684\u662f\u786e\u4fddFPGA\u6ca1\u6709\u88ab\u7be1\u6539\u3002\u6709\u8fd9\u4e9b\u8981\u6c42\u7684\u5e94\u7528\u5305\u62ec\uff1a\u4fe1\u7528\u5361\u8bfb\u5361\u5668\u3001\u81ea\u52a8\u51fa\u7eb3\u673a\u3001\u6b66\u5668\u7cfb\u7edf\u4ee5\u53ca\u6e38\u620f\u7cfb\u7edf\u3002<\/p>\n

\n\t4 \u975e\u6613\u5931\u5b58\u50a8\u5e94\u7528<\/p>\n

\n\t\u7531\u4e8e\u975e\u6613\u5931FPGA\u5728\u5bc6\u5ea6\u548c\u529f\u80fd\u65b9\u9762\u7684\u6c34\u5e73\u7ee7\u7eed\u589e\u5f3a\uff0c\u8bb8\u591a\u8bbe\u8ba1\u8005\u8981\u5728\u8bbe\u8ba1\u4e2d\u6574\u5408\u975e\u6613\u5931\u5b58\u50a8\u5668\u3002\u8fd9\u4e9b\u9700\u6c42\u5206\u6210\u4e24\u79cd\u3002<\/p>\n

\n\t\u7b2c\u4e00\u79cd\u662f\u80fd\u6574\u5408\u5c0f\u7684\u72ec\u7acb\u7684EEPROM<\/u>\u5b58\u50a8\u5668\uff0c\u5728\u8bb8\u591a\u7cfb\u7edf\u4e2d\u5b58\u50a8\u6570\u636e\uff0c\u4f8b\u5982\u7535\u5b50ID\u7801\u3001\u7248\u672c\u7801\u3001\u65e5\u671f\u6253\u5370\u3001\u6821\u51c6\u8bbe\u7f6e\u548c\u8d44\u4ea7ID\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u5b58\u50a8\u5668\u4e0d\u662f\u7ecf\u5e38\u901a\u8fc7\u4e32\u884c\u63a5\u53e3\u8bbf\u95ee\u7684\u3002<\/p>\n

\n\t\u7b2c\u4e8c\u79cd\u7c7b\u578b\u662f\u80fd\u591f\u6574\u5408\u5927\u7684\u5b58\u50a8\u5757\uff0c\u5178\u578b\u7684\u5e94\u7528\u4e3a\u5b58\u50a8\u6570\u636e\uff0c\u4f8b\u5982\u9519\u8bef\u7801\u3001\u4e0a\u7535\u81ea\u6d4b\u8bd5<\/u>\u3001\u6570\u636e\u67e5\u627e\u8868\u548c\u5fae\u5904\u7406\u5668\u7801\u3002\u5bf9\u6570\u636e\u7684\u5199\u64cd\u4f5c\u4e0d\u662f\u7ecf\u5e38\u7684\uff0c\u8bfb\u6570\u636e\u5219\u662f\u7ecf\u5e38\u7684\uff0c\u8bfb\u64cd\u4f5c\u7684\u901f\u5ea6\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n

\n\t5 \u73b0\u573a\u66f4\u65b0<\/p>\n

\n\t\u5f53\u8bbe\u5907\u7528\u4e8e\u73b0\u573a\u65f6\uff0c\u63d0\u4f9bFPGA\u914d\u7f6e\u66f4\u65b0\u7684\u80fd\u529b\u5c31\u76ca\u53d1\u91cd\u8981\uff0c\u5982\u56fe3\u6240\u793a\u3002\u8fd9\u79cd\u80fd\u529b\u4e3a\u8bbe\u5907\u4f9b\u5e94\u8005\u63d0\u4f9b\u4e86\u7ade\u4e89\u4f18\u52bf\uff0c\u80fd\u5bf9\u6807\u51c6\u7684\u6539\u53d8\u3001\u65b0\u7684\u670d\u52a1\u4ee5\u53ca\u6392\u9664\u6545\u969c\u4f5c\u51fa\u8fc5\u901f\u56de\u5e94\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe3 \u5728\u73b0\u573a\u66f4\u65b0\u903b\u8f91<\/p>\n

\n\tLatti<\/u>ceXP2\u5668\u4ef6<\/p>\n

\n\tLatTIce\u4e0e\u5bcc\u58eb\u901a<\/u>\uff08Fujitsu\uff09\u5408\u4f5c\u5f00\u53d1\u4e8690nm\u5d4c\u5165\u5f0f\u95ea\u5b58\u5de5\u827a\u7684 LatTIceXP2\u7cfb\u5217\uff0c\u8fd9\u79cd\u5de5\u827a\u4f7fLatTIceXP2\u5668\u4ef6\u7684\u6210\u672c\u51cf\u5c11\u4e8650%\u3002\u8be5\u5668\u4ef6\u628a\u6210\u529f\u7528\u4e8eLatTIceECP2 SRAM\u7684\u529f\u80fd\u5757\u548cFlash\u5355\u5143\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u79f0\u4e4b\u4e3aflexiF<\/u>LASH\u3002<\/p>\n

\n\t1 LatticeXP2\u7ed3\u6784\uff0d\u529f\u80fd\u5757<\/p>\n

\n\tLatticeXP2\u5668\u4ef6\u7684\u6838\u5fc3\u542b\u6709\u80fd\u591f\u5b9e\u73b0\u903b\u8f91\u7684\u53ef\u7f16\u7a0b\u529f\u80fd\u5355\u5143\uff08PFU\uff09\uff0c\u4ee5\u53ca\u536025\uff05\u903b\u8f91\u5757\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u5668\u3002\u75284\u8f93\u5165\u7684\u67e5\u627e\u8868\u548c\u5bc4\u5b58\u5668<\/u>\u5bf9\u6765\u5b9e\u73b0\u903b\u8f91\uff0c\u5bf9\u4e8eFPGA\u5de5\u4e1a\u3001\u80fd\u591f\u88ab\u7cfb\u7edf\u8bbe\u8ba1\u8005\u5145\u5206\u7406\u89e3\u4ee5\u53ca\u903b\u8f91\u7efc\u5408\u5de5\u5177\u63d0\u4f9b\u8005\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u3002\u5206\u5e03\u5f0f\u5b58\u50a8\u5668\u4e3a\u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u65b9\u6cd5\u5b9e\u73b0\u4fbf\u7b3a\u5f0f\u5b58\u50a8\u5668\u3002\u8fd9\u4e2a\u7cfb\u5217\u63d0\u4f9b5K\u523040K LUT\u3002<\/p>\n

\n\t\u5d4c\u5165\u5f0fRAM\uff08EBR\uff09\u7684sysMEM\u884c\u63d0\u4f9b166K -885Kb\u768418kb\u5757\u7684\u53cc\u53e3\u5b58\u50a8\u5668\u3002\u5668\u4ef6\u8fd8\u6709\u4e58\u3001\u52a0\u3001\u51cf\u548c\u7d2f\u52a0\u529f\u80fd\u7684sysDSP<\/u>\u5757\uff0c\u7528\u6765\u5b9e\u73b0\u901a\u7528\u7684DSP\u529f\u80fd\uff0c\u4f8b\u5982FIR\u6ee4\u6ce2\u5668<\/u>\u3001FFT<\/u>\u548c\u590d\u6742\u7b97\u6cd5\u3002sysDSP\u5757\u63d0\u4f9b12-32\u768418x18\u4e58\u6cd5\u5668\u3002<\/p>\n

\n\t\u5668\u4ef6\u7684I\/O<\/u>\u5f15\u811a\u6570\u4ece86\u5230540\uff0c\u80fd\u4e0e\u5404\u79cdI\/O\u6807\u51c6\u4e92\u8fde\uff0c\u5305\u62ecLVCMOS\u3001PCI\u3001LVTTL\u3001LVDS\u548cSSTL\uff0c HSTL\u3002\u6b64\u5916\u4e0e\u9644\u52a0\u7684\u5916\u90e8\u7535\u963b<\/u>\u76f8\u914d\u5408\u53ef\u4ee5\u6a21\u4effLVPECL\u3001BLVDS \u548cRS<\/u>DS\u63a5\u53e3\u6807\u51c6\u3002\u6821\u51c6DQS\u5ef6\u65f6\u5757\u7684DLL\u3001DDR\u5bc4\u5b58\u5668\u548c\u65f6\u949f<\/u>\u4f20\u9001\u7535\u8def\u80fd\u5b9e\u73b0\u8fbe400Mbps\u7684DDR\u548cDDR2\u5b58\u50a8\u5668\u63a5\u53e3\u3002\u8fd8\u53ef\u4ee5\u4e0e\u5668\u4ef6\u4e00\u8d77\u5b9e\u73b0750Mbps\u7684\u666e\u901aDDR\u63a5\u53e3\u3002<\/p>\n

\n\t\u5668\u4ef6\u8fd8\u63d0\u4f9b\u591a\u8fbe4\u4e2aPLL\uff0c\u7528\u4e8e\u65f6\u949f\u7efc\u5408\u4e0e\u5bf9\u9f50\u3002\u7247\u4e0a\u632f\u8361\u5668<\/u>\u63d0\u4f9b\u4f4e\u7cbe\u5ea6\u7684\u65f6\u949f\u6e90\uff0c\u9002\u7528\u4e8e\u8bb8\u591a\u8f85\u52a9\u529f\u80fd\uff0c\u4f8b\u5982\u76d1\u89c6\u65f6\u949f\u548c\u952e\u76d8\u626b\u63cf\u903b\u8f91\u3002\u65f6\u949f\u7684\u5206\u5e03\u4e3a8\u4e2a\u5168\u5c40\u65f6\u949f\u30018\u4e2a\u533a\u57df\u65f6\u949f\uff0c\u6216\u80052\u4e2a\u9ad8\u901f\u8fb9\u6cbf\u65f6\u949f\u3002\u56fe\u7684\u5de6\u8fb9\u548c\u53f3\u8fb9\u4e3aFlash\u5b58\u50a8\u5668\u5757\uff0c\u7528\u4e8e\u5668\u4ef6\u7684\u914d\u7f6e\u3002<\/p>\n

\n\t\u5668\u4ef6\u5de5\u4f5c\u4e8e1.2\u4f0f\u7684\u5185\u90e8\u7535\u538b\u5e76\u6709\u5404\u79cd\u53ef\u4f9b\u9009\u62e9\u7684\u5c01\u88c5\u3002\u56fe4\u4e3a\u5668\u4ef6\u7684\u6574\u4e2a\u7ed3\u6784\uff0c\u56fe5\u4e3a\u7cfb\u5217\u4e2d\u7684\u5404\u4e2a\u6210\u5458\u7684\u8be6\u60c5\u3002\u4e0b\u9762\u5c06\u8be6\u8ff0\u975e\u6613\u5931\u7279\u6027\u7684\u8fd0\u4f5c\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe4 LatticeXP2\u7ed3\u6784<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe5 flexiFLASH\u7ed3\u6784<\/p>\n

\n\tFlexiFLASH\u8be6\u60c5<\/p>\n

\n\tLatticeXP2\u5668\u4ef6\u5728\u7ed3\u6784\u4e2d\u7ec4\u5408\u4e86Flash \u548cSRAM\uff0c\u79f0\u4e3aflexiFLASH\u3002\u5668\u4ef6\u903b\u8f91\u914d\u7f6e\u548c\u5d4c\u5165\u5f0fRAM\u5757\u6570\u636e\u5b58\u50a8\u5728SRAM\u5355\u5143\u3002\u4e0a\u7535\u65f6\u6216\u8005\u6839\u636e\u7528\u6237\u547d\u4ee4\uff0c\u6e90\u4e8e\u7247\u4e0aFlash\u5b58\u50a8\u5668\u7684\u5757\u4ee5\u5e76\u884c\u5f62\u5f0f\u8f7d\u5165SRAM\u3002\u8fd9\u79cd\u8fc5\u901f\u7684\u4f20\u9001\u65b9\u5f0f\u4f7f\u5668\u4ef6\u5177\u6709\u77ac\u65f6\u7684\u7279\u6027\uff0c\u7247\u4e0a\u7684Flash\u5b58\u50a8\u5668\u5bfc\u81f4\u4e86\u5355\u7247\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7JTAG \u6216\u8005SPI<\/u>\u7aef\u53e3\u53ef\u4ee5\u5bf9Flash\u5b58\u50a8\u5668\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u5982\u56fe5\u6240\u793a\u3002<\/p>\n

\n\tFlashBAK\u5b58\u50a8\u5668<\/p>\n

\n\t\u4e3a\u4e86\u6ee1\u8db3\u5b58\u50a8\u5927\u5757\u7684\u6570\u636e\uff0cLatticeXP2\u5668\u4ef6\u63d0\u4f9b\u79f0\u4e3aFlashBAK\u5b58\u50a8\u5668\u7684\u521b\u65b0\u529f\u80fd\u3002\u5982\u524d\u6240\u8ff0\uff0c\u4e0a\u7535\u65f6\u4ece\u7247\u4e0aFlash\u5b58\u50a8\u5668\u88c5\u8f7d\u81f3EBR\u3002EBR\u80fd\u4ee5350MHz\u7684\u901f\u5ea6\u8fdb\u884c\u8bfb\u6216\u5199\u3002\u53ef\u4ee5\u6839\u636e\u8981\u6c42\u5728FPGA\u5185\u5207\u6362\u4fe1\u53f7\uff0c\u6839\u636e\u5f53\u524dEBR\u7684\u5185\u5bb9\uff0c\u91cd\u5199Flash\u662f\u53ef\u80fd\u7684\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5927\u7ea6\u4e3a1\u79d2\u7684\u65f6\u95f4\u3002\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u7528\u6237\u53ef\u83b7\u5f97\u9ad8\u6027\u80fd\u548c\u65e0\u9650\u6b21\u7684\u8bfb\u548c\u5199\uff0c\u8fd9\u662f\u975e\u6613\u5931Flash\u5b58\u50a8\u5668\u4e0eSRAM\u76f8\u7ed3\u5408\u7684\u7ed3\u679c\u3002\u8fd9\u4e2a\u5668\u4ef6\u63d0\u4f9b166K \u548c 885Kbit\u7684 FlashBAK\u5b58\u50a8\u5668\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe6 \u975e\u6613\u5931FlashBAK\u5b58\u50a8<\/p>\n

\n\t\u4e32\u884cTAG\u5b58\u50a8\u5668<\/p>\n

\n\t\u4e3a\u4e86\u63d0\u4f9b\u5c0f\u91cf\u53ef\u4e32\u884c\u8bbf\u95ee\u7684\u5b58\u50a8\u5668\uff0c\u6bcf\u4e2a\u5668\u4ef6\u90fd\u67090.6K\u81f33.4Kbit\u7684\u4e32\u884cTAG\u5b58\u50a8\u5668\u3002\u5982\u56fe7\u6240\u793a\uff0c\u53ef\u4ee5\u901a\u8fc7\u5668\u4ef6\u7684JTAG\u63a5\u53e3\u6216\u8005FPGA\u903b\u8f91\u8bbf\u95ee\u8fd9\u4e2a\u5b58\u50a8\u5668\u3002\u8fd9\u4e2a\u5b58\u50a8\u5668\u4f4d\u4e8e\u5668\u4ef6\u5b89\u5168\u7ed3\u6784\u7684\u5916\u9762\uff0c\u53ef\u4ee5\u72ec\u7acb\u5730\u8bbf\u95ee\u5668\u4ef6\u5b89\u5168\u8bbe\u7f6e\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe7 \u4e32\u884cTAG\u5b58\u50a8\u5668<\/p>\n

\n\t\u5668\u4ef6\u9501<\/u>\u63d0\u4f9b\u8bbe\u8ba1\u5b89\u5168<\/p>\n

\n\t\u5982\u524d\u6240\u8ff0\uff0c\u8bb8\u591a\u8bbe\u8ba1\u8005\u90fd\u8981\u786e\u4fdd\u8bbe\u8ba1\u5b89\u5168\u5730\u9501\u5b9a\u5728FPGA\u4e4b\u5185\u3002\u7528\u7269\u7406\u7684\u65b9\u6cd5\u6765\u68c0\u67e5FPGA \u7684SRAM\u5355\u5143\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u56e0\u4e3aSRAM\u5355\u5143\u63a9\u57cb\u5728\u591a\u5c42\u91d1\u5c5e\u4e0b\u3002\u9632\u6b62\u901a\u8fc7JTAG \u6216\u8005SPI\u7aef\u53e3\u67e5\u8be2\u5668\u4ef6\u914d\u7f6e\u7684\u4fdd\u5bc6\u4f4d\u8fdb\u4e00\u6b65\u5b8c\u5584\u4e86\u5b89\u5168\u6027\u3002<\/p>\n

\n\t\u4e3a\u4e86\u9632\u6b62\u672a\u6388\u6743\u7684\u7be1\u6539\uff0c\u5668\u4ef6\u670964\u4f4d\u7684\u7801\uff0c\u4e00\u65e6\u8bbe\u7f6e\u540e\uff0c\u5728\u64e6\u9664\u6216\u8005\u91cd\u5199Flash\u65f6\u9700\u8981\u9a8c\u8bc1\u3002\u5bf9\u4e8e\u5ba2\u6237\u8981\u6c42\u66f4\u52a0\u5b89\u5168\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u8fd8\u6709\u4e00\u6b21\u6027\u7f16\u7a0b\uff08OTP\uff09\u7684\u6a21\u5f0f\u3002\u4e00\u65e6\u5668\u4ef6\u5904\u4e8e\u8fd9\u79cd\u6a21\u5f0f\uff0c\u5c31\u4e0d\u80fd\u64e6\u9664\u6216\u8005\u5bf9\u5668\u4ef6\u518d\u7f16\u7a0b\u3002<\/p>\n

\n\t\u5168\u9762\u7684\u73b0\u573a\u66f4\u65b0<\/p>\n

\n\t\u5982\u524d\u6240\u8ff0\uff0c\u5b9e\u73b0\u73b0\u573a\u66f4\u65b0\u7684\u8bbe\u8ba1\u8005\u8981\u6c42\u6700\u5927\u7684\u8bbe\u5907\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u3001\u5f88\u597d\u7684\u53ef\u9760\u6027\u548c\u9ad8\u7684\u5b89\u5168\u6027\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e9b\u8981\u6c42\uff0cLatticeXP2\u5668\u4ef6\u63d0\u4f9bTransFR I\/O\u3001\u53cc\u5f15\u5bfc\u548c128\u4f4dAES\u89e3\u5bc6\u3002<\/p>\n

\n\t\u9488\u5bf9\u6700\u5927\u6b63\u5e38\u5de5\u4f5c\u65f6\u95f4\u7684TransFR I\/O<\/p>\n

\n\t\u5728\u7cfb\u7edf\u914d\u7f6e\u671f\u95f4\uff0c\u5927\u591a\u6570FPGA\u7684I\/O\u5747\u4e3a\u4e09\u6001\u3002\u8fd9\u79cd\u7f3a\u5c11\u63a7\u5236\u7684\u72b6\u6001\u901a\u5e38\u8feb\u4f7f\u5faa\u73af\u4e0a\u7535\u4ee5\u4fbf\u66f4\u65b0FPGA\u7684\u914d\u7f6e\u3002\u5982\u540c\u5176\u4ed6\u7684Lattice FPGA\uff0cLatticeXP2\u5668\u4ef6\u5177\u6709TransFR I\/O\uff0c\u5728\u5668\u4ef6\u914d\u7f6e\u671f\u95f4\u80fd\u51bb\u7ed3I\/O\u7684\u72b6\u6001\u3002\u8fd9\u6837\u73b0\u573a\u66f4\u65b0\u7684\u5668\u4ef6\u5c31\u6709\u6700\u5c0f\u7684\u4e2d\u65ad\u548c\u505c\u673a\u65f6\u95f4\uff0c\u7cfb\u7edf\u8bbe\u8ba1\u8005\u80fd\u591f\u6ee1\u8db3\u9ad8\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u548c\u73b0\u573a\u66f4\u65b0\u903b\u8f91\u7684\u53cc\u91cd\u8981\u6c42\u3002\u56fe8\u5c55\u793a\u4e86TransFR I\/O\u66f4\u65b0\u76844\u4e2a\u6b65\u9aa4\u3002\u56e0\u4e3a\u65b0\u7684\u914d\u7f6e\u53ef\u4ee5\u5728\u540e\u53f0\u8f7d\u5165LatticeXP2\u7684\u7247\u4e0aFlash\uff0c\u65b0\u7684\u914d\u7f6e\u8f7d\u5165SRAM\u662f\u5f88\u5feb\u7684\u3002\u9501\u5b9aI\/O\uff0c\u65bd\u52a0\u65b0\u7684\u914d\u7f6e\uff0c\u518d\u91ca\u653eI\/O\u7684\u65f6\u95f4\u5c0f\u4e8e2\u6beb\u79d2\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe8 TransFR I\/O\u66f4\u65b0\u76844\u4e2a\u6b65\u9aa4<\/p>\n

\n\t\u9488\u5bf9\u53ef\u9760\u6027\u7684\u53cc\u5f15\u5bfc\u65b9\u6848<\/p>\n

\n\t\u5b58\u50a8\u7684FPGA\u914d\u7f6e\u88ab\u66f4\u65b0\u65f6\uff0c\u5b58\u5728\u7740\u7535\u6e90\u6216\u8005\u901a\u4fe1\u5931\u8d25\u7684\u98ce\u9669\uff0c\u4f1a\u5bfc\u81f4\u4e0d\u53ef\u9760\u7684\u914d\u7f6e\u548c\u7cfb\u7edf\u505c\u6b62\u5de5\u4f5c\u3002\u5982\u679c\u53d1\u751f\u4e86\u8fd9\u79cd\u60c5\u51b5\uff0c\u62dc\u8bbf\u6280\u672f\u5458\u548c\u7ea0\u6b63\u5dee\u9519\u90fd\u662f\u4e0d\u5c0f\u7684\u5f00\u652f\u3002\u4e3a\u4e86\u9632\u6b62\u53d1\u751f\u6b64\u7c7b\u95ee\u9898\uff0cLatticeXP2\u5668\u4ef6\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u7684SPI\u5b58\u50a8\u5668\u6765\u5b9e\u73b0\u53cc\u5f15\u5bfc\u65b9\u6848\u3002<\/p>\n

\n\t\u5982\u56fe9\u6240\u793a\uff0c\u4e0a\u7535\u65f6LatticeXP2\u8bd5\u56fe\u4ece\u7247\u4e0aFlash\u8f7d\u5165SRAM\u914d\u7f6e\u4f4d\u3002\u5982\u679c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u68c0\u6d4b\u5230\u9519\u8bef\uff0c\u4e8e\u662fFPGA\u4ece\u5916\u90e8\u7684SPI\u5b58\u50a8\u5668\u8bfb\u53d6\u5907\u4efd\u6216\u8005\u91cd\u8981\u7684\u914d\u7f6e\u3002\u7528\u8fd9\u79cd\u65b9\u6cd5\u8fd0\u884c\u7cfb\u7edf\uff0c\u80fd\u591f\u53ef\u9760\u5730\u8fdb\u884c\u66f4\u65b0\u800c\u4e0d\u7ba1\u7535\u6e90\u6216\u8005\u901a\u4fe1\u6545\u969c\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u56fe9 \u9ad8\u53ef\u9760\u73b0\u573a\u66f4\u65b0\u7684\u53cc\u5f15\u5bfc\u65b9\u6cd5<\/p>\n

\n\t\u7528\u4e8e\u8bbe\u8ba1\u5b89\u5168\u7684128\u4f4d\u52a0\u5bc6<\/p>\n

\n\tLatticeXP2\u5668\u4ef6\u80fd\u7528\u53ef\u9009\u7684128\u4f4dAES\u7f16\u7a0b\u6570\u636e\u52a0\u5bc6\u3002\u5668\u4ef6\u6536\u5230\u52a0\u5bc6\u6570\u636e\u65f6\uff0c\u7528\u7247\u4e0a\u7684\u89e3\u5bc6\u5f15\u64ce\u8fdb\u884c\u89e3\u5bc6\uff0c\u89e3\u5bc6\u5f15\u64ce\u662f\u7528\u6237\u5b9a\u4e49\u7684\u7528Flash\u5b58\u50a8\u5668\u5b58\u50a8\u5728\u7247\u4e0a\u7684\u5bc6\u94a5\u3002\u57fa\u672c\u7684\u64cd\u4f5c\u5982\u56fe10\u6240\u793a\u3002\u8fd9\u79cd\u8fd0\u4f5c\u6a21\u5f0f\u4f7f\u5f97\u5728\u73b0\u573a\u66f4\u65b0\u671f\u95f4\u654f\u611f\u7684\u8bbe\u8ba1\u6570\u636e\u5f97\u5230\u4e86\u4fdd\u62a4\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u672c\u6587\u5c0f\u7ed3<\/p>\n

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\n\t\u5982\u4eca\u6709\u4e24\u79cd\u65b9\u6cd5\u63d0\u4f9b\u975e\u6613\u5931FPGA\uff1a\u6df7\u5408\u7684\u548c\u5355\u7247\u7684\u3002\u6df7\u5408\u65b9\u6cd5\u4e3b\u8981\u662f\u89e3\u51b3\u5c0f\u5c3a\u5bf8\u7684\u8981\u6c42\u3002\u800c\u771f\u6b63\u7684\u5355\u7247\u975e\u6613\u5931\u65b9\u6cd5\u6ee1\u8db3\u4e86\u5c0f\u5c3a\u5bf8\u3001\u77ac\u65f6\u548c\u9ad8\u5b89\u5168\u6027\u7684\u8981\u6c42\u3002<\/p>\n

\n\t\u91c7\u752890\u7eb3\u7c73\u5d4c\u5165\u5f0fFlash\u5de5\u827a\uff0cLatticeXP2 FPGA\u6ee1\u8db3\u4e86\u9009\u62e9\u975e\u6613\u5931\u5668\u4ef6\u7684\u4e3b\u8981\u548c\u65b0\u5174\u7684\u539f\u56e0\uff0c\u540c\u65f6\u8fd8\u964d\u4f4e\u4e86\u6210\u672c\u3002<\/p>\n

\n\t\"\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u5e94\u7528\"<\/p>\n

\n\t\u88681 LatticeXP2 FPGA \u7cfb\u5217<\/p>\n

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FPGA\u8bbe\u8ba1\u8005\u5bf9\u975e\u6613\u5931\u53ef\u91cd\u590d\u7f16\u7a0bFPGA\u89e3\u51b3\u65b9\u6848\u7684\u559c\u7231\u4ecd\u5728\u5ef6\u7eed\uff0c\u8fd9\u79cd\u65b9\u6848\u6240\u9700\u7684\u76f8\u5173\u989d\u5916\u8d39\u7528\u5e76\u4e0d\u592a\u5927 \u3002\u8bbe\u8ba1\u4eba\u5458\u5bf9\u5176\u7684\u559c\u7231\u6e90\u4e8e\u4ed6\u4eec\u559c\u6b22\u4ece\u4e00\u79cd\u4ea7\u54c1\u4e2d\u83b7\u53d6\u591a\u79cd\u80fd\u529b\uff0c\u800c\u8fc4\u4eca\u4e3a\u6b62\uff0c\u53ea\u6709<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2645"}],"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=2645"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2645\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2645"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}