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\n\t\u5f53\u4ee3\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u8bbe\u8ba1<\/u>\u7684\u53e6\u4e00\u4e2a\u96be\u9898\u662f\u4e0d\u4e00\u6837\u6570\u5b57\u903b\u8f91\u7684\u5143\u5668\u4ef6\u6108\u6765\u6108\u591a\uff0c\u4f8b\u5982GTL\u3001LVTTL\u3001LVCMOS\u53caLVDS\u903b\u8f91\u6027\uff0c\u6bcf\u4e00\u79cd\u903b\u8f91\u6027\u7535\u6e90\u7535\u8def<\/u>\u7684\u903b\u8f91\u6027\u5e45\u503c\u548c\u5de5\u4f5c\u7535\u538b\u6446\u5e45\u90fd\u4e0d\u4e00\u6837\uff0c\u53ef\u662f\uff0c\u8fd9\u79cd\u4e0d\u4e00\u6837\u903b\u8f91\u6027\u5e45\u503c\u548c\u5de5\u4f5c\u7535\u538b\u6446\u5e45\u7684\u7535\u6e90\u7535\u8def\u52a1\u5fc5\u4e00\u540c\u8bbe\u8ba1\u65b9\u6848\u5728\u4e00\u5757PCB\u4e0a\u3002\u5728\u8fd9\u91cc\uff0c\u6839\u636e\u6df1\u5165\u5256\u6790\u5bc6\u5ea6\u9ad8\u7684\u3001\u6027\u80fd\u5353\u8d8a\u3001\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u7684\u683c\u5c40\u548c\u8d70\u7ebf<\/u>\u8bbe\u8ba1\u65b9\u6848\uff0c\u4f60\u80fd\u628a\u63e1\u53d6\u5f97\u6210\u529f\u5bf9\u7b56\u548c\u6280\u672f\u6027\u3002<\/p>\n<\/p>\n
\n\t\u6df7\u548c\u6570\u636e\u4fe1\u53f7\u7535\u6e90\u7535\u8def\u8d70\u7ebf\u57fa\u672c<\/p>\n
\n\t\u5f53\u6570\u636e\u548c\u6570\u5b57\u96c6\u6210\u7535\u8def\u5728\u540c\u4e00\u5757\u4e3b\u63a7\u677f\u4e0a\u5206\u4eab\u540c\u6837\u7684\u5143\u5668\u4ef6\u65f6\uff0c\u7535\u6e90\u7535\u8def\u7684\u5408\u7406\u5e03\u5c40\u53ca\u8d70\u7ebf\u52a1\u5fc5\u6ce8\u91cd\u65b9\u5f0f\u3002\u4ec5\u6709\u63ed\u9732\u6570\u636e\u548c\u6570\u5b57\u96c6\u6210\u7535\u8def\u7684\u7279\u70b9\uff0c\u624d\u53ef\u4ee5\u5728\u5177\u4f53\u5408\u7406\u5e03\u5c40\u548c\u8d70\u7ebf\u4e2d\u505a\u5230\u89c4\u5b9a\u7684PCB\u8bbe\u8ba1\u603b\u4f53\u76ee\u6807\u3002<\/p>\n
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\n\t\u5047\u5982\u5c06A\/D\u8f6c\u5316\u5668\u4e2d\u4eff\u771f\u6a21\u62df\u653e\u5927\u4eea<\/u>\u7684\u5f00\u5173\u7535\u6e90\u548cA\/D\u8f6c\u5316\u5668\u7684\u6570\u636e\u5f00\u5173\u7535\u6e90<\/u>\u63a5\u5728\u4e00\u8d77\uff0c\u5219\u6781\u6709\u53ef\u80fd\u5bfc\u81f4\u4eff\u771f\u6a21\u62df\u4e00\u90e8\u5206\u548c\u6570\u636e\u4e00\u90e8\u5206\u7535\u6e90\u7535\u8def\u7684\u4e92\u76f8\u5f71\u54cd\u3002\u4e5f\u8bb8\uff0c\u56e0\u4e3a\u952e\u5165\/\u5bfc\u51fa\u5c04\u9891\u8fde\u63a5\u5668\u90e8\u4f4d\u7684\u539f\u56e0\uff0c\u5408\u7406\u5e03\u5c40\u8ba1\u5212\u65b9\u6848\u52a1\u5fc5\u628a\u6570\u636e\u548c\u6570\u5b57\u96c6\u6210\u7535\u8def\u7684\u8d70\u7ebf\u6df7\u548c\u5728\u4e00\u8d77\u3002<\/p>\n
\n\t\u5728\u5408\u7406\u5e03\u5c40\u548c\u8d70\u7ebf\u4ee5\u524d\uff0c\u6280\u672f\u5de5\u7a0b\u5e08\u8981\u641e\u6e05\u695a\u5408\u7406\u5e03\u5c40\u548c\u5e03\u7ebf\u65b9\u6848\u7684\u57fa\u672c\u4e0a\u7f3a\u70b9\u3002\u5373\u4f7f\u5b58\u6709\u865a\u62a5\u5206\u8fa8\uff0c\u7edd\u5927\u591a\u6570\u6280\u672f\u5de5\u7a0b\u5e08\u8d8b\u5411\u8fd0\u7528\u7ed3\u6784\u548c\u8d70\u7ebf\u4fe1\u606f\u5185\u5bb9\u6765\u9274\u522b\u6f5c\u5728\u6027\u7684\u7535\u6c14\u8bbe\u5907\u5371\u5bb3\u3002<\/p>\n
\n\t\u5f53\u4ee3\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u7684\u683c\u5c40\u548c\u8d70\u7ebf<\/p>\n
\n\t\u4e0b\u8fb9\u5c06\u6839\u636eOC48\u63d2\u53e3<\/u>\u5361\u7684\u8bbe\u8ba1\u65b9\u6848\u6765\u8bba\u8ff0\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u5408\u7406\u5e03\u5c40<\/u>\u548c\u8d70\u7ebf\u7684\u6280\u672f\u6027\u3002OC48\u610f\u5473\u7740\u5149\u8f7d\u6ce2\u901a\u4fe1\u89c4\u830348\uff0c\u5927\u90e8\u5206\u671d\u54112.5G<\/u>b\u4e32\u884c\u901a\u4fe1\u5149\u901a\u4fe1\uff0c\u5b83\u662f\u5f53\u4ee3\u901a\u4fe1\u8bbe\u5907\u4e2d\u9ad8\u5bb9\u5149\u901a\u4fe1\u89c4\u8303\u7684\u4e00\u79cd\u3002OC48\u63a5\u53e3\u5361\u5305\u62ec\u591a\u4e2a\u5178\u578b\u6027\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u7684\u683c\u5c40\u548c\u5e03\u7ebf\u95ee\u9898\uff0c\u5176\u683c\u5c40\u548c\u8d70\u7ebf\u5168\u8fc7\u7a0b\u5c06\u6307\u51fa\u5904\u7406\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u5408\u7406\u5e03\u5c40\u8ba1\u5212\u65b9\u6848\u7684\u6b21\u5e8f\u548c\u6d41\u7a0b\u3002<\/p>\n
\n\tOC48\u5361\u5305\u62ec\u4e00\u4e2a\u5b8c\u6210\u5149\u4fe1\u53f7\u548c\u4eff\u771f\u6a21\u62df\u7535\u5b50\u4fe1\u53f7\u53cc\u91cd\u5207\u6362\u7684\u5149\u6536\u53d1\u5668\u3002\u8109\u51b2\u4fe1\u53f7\u952e\u5165\u6216\u5bfc\u51fa\u6570\u636e\u4fe1\u53f7\u8f6c\u6362\u5668\uff0cDSP<\/u>\u5c06\u8fd9\u79cd\u8109\u51b2\u4fe1\u53f7\u53d8\u6362\u4e3a\u6570\u5b57\u903b\u8f91\u8109\u51b2\u4fe1\u53f7\uff0c\u8fdb\u800c\u53ef\u4e0e\u5fae\u63a7\u5236\u5668\u3001\u53ef\u7f16\u95e8\u9635\u5217\u53ca\u5176\u5728OC48\u5361\u4e0a\u7684DSP\u548c\u5fae\u63a7\u5236\u5668\u7684\u7cfb\u7edf\u8f6f\u4ef6\u901a\u4fe1\u63a5\u53e3\u76f8\u4e92\u8fde\u63a5\u3002\u5355\u72ec\u7684\u9501\u76f8\u73af\u8def<\/u>\u3001\u7535\u6e90\u6ee4\u6ce2\u5668\u548c\u5f53\u5730\u53c2\u7167\u7535\u538b\u6e90\u4e5f\u96c6\u6210\u5316\u5728\u4e00\u8d77\u3002<\/p>\n<\/p>\n
\n\t\u901a\u8fc7\u67e5\u9a8c\u4e0d\u4e00\u6837\u4f5c\u7528\u7535\u6e90\u7535\u8def\u5757\u7684\u683c\u5c40\u548c\u8d70\u7ebf\u89c4\u5b9a\uff0c\u57fa\u672c\u63d0\u8bae\u9009\u752812\u591a\u5c42\u677f<\/u>\u3002\u8d34\u7247\u5929\u7ebf\u548c\u5e26\u72b6\u7ebf\u5c42\u7684\u914d\u5907\u53ef\u4ee5\u5b89\u5168\u6027\u5730\u964d\u4f4e\u76f8\u90bb\u5e03\u7ebf\u5c42\u7684\u85d5\u5408\u5e76\u6539\u8fdb\u7279\u6027\u963b\u6297<\/u>\u64cd\u7eb5\u3002\u7b2c\u4e00\u5c42\u548c\u7b2c\u4e8c\u5c42\u4e2d\u95f4\u8bbe\u5b9a\u63a5\u5730\u8d28\u6784\u9020\uff0c\u5c06\u628a\u6bd4\u8f83\u654f\u611f\u7684\u4eff\u771f\u6a21\u62df\u53c2\u7167\u6e90\u3001CPU<\/u>\u6838\u548cPLL\u8fc7\u6ee4\u5668<\/u>\u5f00\u5173\u7535\u6e90\u7684\u8d70\u7ebf\u4e0e\u5728\u7b2c\u4e00\u5c42\u7684\u5fae\u63a7\u5236\u5668\u548cDSP\u5143\u5668\u4ef6\u76f8\u9632\u62a4\u3002\u5f00\u5173\u7535\u6e90\u548c\u63a5\u5730\u8d28\u6784\u9020\u4e00\u76f4\u6210\u5bf9\u53d1\u751f\u7684\uff0c\u4e0eOC48\u5361\u4e0a\u4e3a\u5206\u4eab3.3V\u7535\u6e90\u5c42\u6240\u505a\u7684\u4e00\u6837\u3002\u90a3\u6837\u5c06\u51cf\u5c11\u5f00\u5173\u7535\u6e90\u548c\u5730\u4e2d\u95f4\u7684\u7279\u6027\u963b\u6297\uff0c\u8fdb\u800c\u964d\u4f4e\u5f00\u5173\u7535\u6e90\u6570\u636e\u4fe1\u53f7\u4e0a\u7684\u566a\u97f3\u3002<\/p>\n
\n\t\u8981\u9632\u6b62\u5728\u76f8\u90bb\u7535\u6e90\u5c42\u7684\u5730\u533a\u8d70\u6570\u5b57\u7535\u5b50\u949f\u7ebf\u548c\u9ad8\u9891\u7387\u8109\u51b2\u4fe1\u53f7\u7ebf\uff0c\u4e0d\u7136\uff0c\u5f00\u5173\u7535\u6e90\u6570\u636e\u4fe1\u53f7\u7684\u566a\u97f3\u5c06\u85d5\u5408\u5230\u6bd4\u8f83\u654f\u611f\u7684\u8109\u51b2\u4fe1\u53f7\u5f53\u4e2d\u3002<\/p>\n
\n\t\u56e0\u4e3a1\u86ca\u53f8\u805a\u9170\u4e9a\u80fa\u819c\u8010\u5927\u7535\u6d41\u91cf\u7684\u529f\u80fd\u5f3a\uff0c3.3V\u7535\u6e90\u5c42\u548c\u76f8\u5339\u914d\u7684\u63a5\u5730\u8d28\u6784\u9020\u8981\u9009\u75281\u86ca\u53f8\u805a\u9170\u4e9a\u80fa\u819c\uff0c\u5176\u4ed6\u5c42\u53ef\u4ee5\u9009\u75280.5\u86ca\u53f8\u805a\u9170\u4e9a\u80fa\u819c\uff0c\u90a3\u6837\uff0c\u53ef\u4ee5\u51cf\u5c11\u6682\u6001\u8fc7\u7a0b\u9ad8\u7535\u6d41\u91cf\u6216\u9876\u5cf0\u671f\u5185\u9020\u6210\u7684\u7535\u6d41\u8d77\u4f0f\u3002<\/p>\n
\n\t\u5047\u5982\u4f60\u4ece\u63a5\u5730\u8d28\u6784\u9020\u5f80\u4e0a\u8bbe\u8ba1\u65b9\u6848\u4e00\u4e2a\u7e41\u6742\u7684\u7cfb\u7edf\u8f6f\u4ef6\uff0c\u5e94\u9009\u75280.093\u82f1\u5c3a\u548c0.100\u82f1\u5c3a\u8584\u539a\u7684\u5361\u4ee5\u652f\u6491\u70b9\u8d70\u7ebf\u5c42\u53ca\u63a5\u5730\u88c5\u7f6e\u9694\u79bb\u5c42\u3002\u5361\u7684\u5c3a\u5bf8\u8fd8\u9700\u8981\u4f9d\u636e\u8fc7\u5b54\u710a\u5c42\u548c\u5b54\u7684\u8d70\u7ebf\u7279\u70b9\u89c4\u683c\u8c03\u8282\uff0c\u4fbf\u4e8e\u4f7f\u6253\u5b54\u76f4\u5f91\u4e0e\u5236\u6210\u54c1\u5361\u8584\u539a\u7684\u9ad8\u5bbd\u6bd4\u4e0d\u8d85\u8fc7\u751f\u4ea7\u5546\u5e26\u6765\u7684\u9540\u8986\u5b54\u7684\u9ad8\u5bbd\u6bd4\u3002<\/p>\n
\n\t\u5047\u5982\u8981\u7528\u6700\u5c0f\u7684\u8d70\u7ebf\u53e0\u52a0\u5c42\u6570\u8bbe\u8ba1\u65b9\u6848\u4e00\u4e2a\u6210\u672c\u4f4e\u3001\u9ad8\u751f\u4ea7\u91cf\u7684\u5546\u4e1a\u670d\u52a1\u5546\u54c1\uff0c\u5219\u5728\u5408\u7406\u5e03\u5c40\u6216\u8d70\u7ebf\u4ee5\u524d\uff0c\u8981\u7ec6\u5fc3\u8003\u8651\u5230\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u4e0a\u5168\u90e8\u72ec\u7279\u5f00\u5173\u7535\u6e90\u7684\u8d70\u7ebf\u5173\u952e\u70b9\u3002\u5728\u9010\u6e10\u5408\u7406\u5e03\u5c40\u548c\u8d70\u7ebf\u4ee5\u524d\uff0c\u8981\u8ba9\u603b\u4f53\u76ee\u6807\u751f\u4ea7\u5546\u590d\u8bca\u57fa\u672c\u7684\u5206\u5c42\u6b21\u8ba1\u5212\u65b9\u6848\u3002\u5927\u90e8\u5206\u8981\u4f9d\u636e\u5236\u6210\u54c1\u7684\u8584\u539a\u3001\u53e0\u52a0\u5c42\u6570\u3001\u94dc\u7684\u51c0\u91cd\u3001\u7279\u6027\u963b\u6297(\u5e26\u8f93\u51fa\u7cbe\u5ea6)\u548c\u8f83\u5c0f\u7684\u901a\u5b54\u710a\u5c42\u548c\u5b54\u7684\u89c4\u683c\u6765\u5206\u5c42\u6b21\uff0c\u751f\u4ea7\u5546\u5e94\u5f53\u4e66\u9762\u5f62\u5f0f\u7ed9\u4e88\u5206\u5c42\u6b21\u63d0\u8bae\u3002<\/p>\n
\n\t\u63d0\u8bae\u65f6\u8981\u5305\u62ec\u5168\u90e8\u53ef\u63a7\u7279\u6027\u963b\u6297\u5e26\u72b6\u7ebf\u548c\u5fae\u5e26\u7ebf\u7684\u914d\u5907\u6848\u4f8b\u3002\u8981\u5c06\u4f60\u5bf9\u7279\u6027\u963b\u6297\u7684\u9884\u6d4b\u5206\u6790\u4e0e\u751f\u4ea7\u5546\u5bf9\u7279\u6027\u963b\u6297\u7684\u7ed3\u5408\u5728\u4e00\u8d77\u8003\u8651\u5230\uff0c\u968f\u540e\uff0c\u8fd0\u7528\u8fd9\u79cd\u7279\u6027\u963b\u6297\u9884\u6d4b\u5206\u6790\u53ef\u4ee5\u8ba4\u8bc1\u7528\u4ee5\u5f00\u53d1\u8bbe\u8ba1CAD\u8d70\u7ebf\u6807\u51c6\u7684\u4eff\u771f\u5de5\u5177\u4e2d\u7684\u6570\u636e\u4fe1\u53f7\u8d70\u7ebf\u7279\u70b9\u3002<\/p>\n
\n\tOC48\u5361\u7684\u5408\u7406\u5e03\u5c40<\/p>\n
\n\t\u5728\u5149\u6536\u53d1\u5668<\/u>\u548cDSP\u4e2d\u95f4\u7684\u5feb\u901f\u8109\u51b2\u4fe1\u53f7\u5bf9\u5916\u754c\u566a\u97f3\u5341\u5206\u6bd4\u8f83\u654f\u611f\u3002\u4e00\u6837\uff0c\u5168\u90e8\u72ec\u7279\u5f00\u5173\u7535\u6e90\u548c\u53c2\u7167\u7535\u538b\u7535\u6d41\u7535\u6e90\u7535\u8def\u4e5f\u4f7f\u6b64\u5361\u7684\u4eff\u771f\u6a21\u62df\u548c\u6570\u636e\u5f00\u5173\u7535\u6e90\u4f20\u9001\u7535\u6e90\u7535\u8def\u4e2d\u95f4\u9020\u6210\u5f88\u591a\u7684\u85d5\u5408\u3002\u6709\u65f6\u5019\uff0c\u53d7\u5916\u58f3\u6837\u5b50\u7684\u9650\u5b9a\uff0c\u8feb\u4e0d\u5f97\u5df2\u8bbe\u8ba1\u65b9\u6848\u5bc6\u5ea6\u677f\u5361\u3002\u56e0\u4e3a\u5916\u754c\u5149\u7f06\u7535\u7f06\u8fde\u63a5\u5361\u7684\u65b9\u5411\u548c\u5149\u6536\u53d1\u5668\u4e00\u90e8\u5206\u5143\u5668\u4ef6\u89c4\u683c\u8f83\u9ad8\uff0c\u4f7f\u6536\u53d1\u5668\u5728\u5361\u4e2d\u7684\u90e8\u4f4d\u6709\u5f88\u5927\u6c34\u5e73\u4e0a\u88ab\u56fa\u5b9a\u4e0d\u52a8\u6b7b\u3002\u7cfb\u7edf\u8f6f\u4ef6I\/O\u5c04\u9891\u8fde\u63a5\u5668<\/u>\u90e8\u4f4d\u548c\u6570\u636e\u5206\u6d3e\u4e5f\u662f\u786e\u5b9a\u7684\u3002\u8fd9\u4e5f\u662f\u5408\u7406\u5e03\u5c40\u4ee5\u524d\u52a1\u5fc5\u5b9e\u73b0\u7684\u57fa\u672c\u5de5\u4f5c\u4e2d\u3002<\/p>\n
\n\t\u4e0e\u5927\u90e8\u5206\u53d6\u5f97\u6210\u529f\u7684\u5bc6\u5ea6\u9ad8\u7684\u4eff\u771f\u6a21\u62df\u5408\u7406\u5e03\u5c40\u548c\u5e03\u7ebf\u65b9\u6848\u4e00\u6837\uff0c\u5408\u7406\u5e03\u5c40\u8981\u8fbe\u5230\u8d70\u7ebf\u7684\u89c4\u5b9a\uff0c\u5408\u7406\u5e03\u5c40\u548c\u8d70\u7ebf\u7684\u89c4\u5b9a\u52a1\u5fc5\u76f8\u4e92\u4e4b\u95f4\u517c\u5177\u3002\u5bf9\u4e00\u5757\u6df7\u548c\u6570\u636e\u4fe1\u53f7PCB\u7684\u4eff\u771f\u6a21\u62df\u4e00\u90e8\u5206\u548c2V\u5de5\u4f5c\u6807\u51c6\u7535\u538b\u7684\u5f53\u5730CPU\u6838\u5fc3\uff0c\u4e0d\u5f3a\u70c8\u63a8\u8350\u9009\u7528\u201c\u5148\u5408\u7406\u5e03\u5c40\u540e\u8d70\u7ebf\u201d\u7684\u65b9\u5f0f\u3002\u5bf9OC48\u5361\u800c\u8a00\uff0cDSP\u6570\u5b57\u96c6\u6210\u7535\u8def\u4e00\u90e8\u5206\u5305\u62ec\u6709\u4eff\u771f\u6a21\u62df\u53c2\u7167\u5de5\u4f5c\u7535\u538b\u548c\u6478\u62df\u5f00\u5173\u7535\u6e90\u65c1\u901a\u7535\u5bb9\u5668<\/u>\u7684\u4e00\u90e8\u5206\u5e94\u6700\u5148\u4e92\u52a8\u4ea4\u6d41\u8d70\u7ebf\u3002\u8fdb\u884c\u8d70\u7ebf\u540e\uff0c\u5177\u5907\u4eff\u771f\u6a21\u62df\u5143\u5668\u4ef6\u548c\u8d70\u7ebf\u7684\u5168\u90e8DSP\u8981\u653e\u8fdb\u95f4\u8ddd\u5149\u6536\u53d1\u5668\u5145\u8db3\u8fd1\u7684\u5730\u533a\uff0c\u5145\u5206\u4fdd\u8bc1\u5feb\u901f\u4eff\u771f\u6a21\u62df\u97f3\u9891\u4fe1\u53f7\u5230DSP\u7684\u8d70\u7ebf\u957f\u77ed\u6700\u77ed\u3001\u5f2f\u6298\u548c\u901a\u5b54\u81f3\u5c11\u3002\u5dee\u5206\u4fe1\u53f7\u5408\u7406\u5e03\u5c40\u548c\u8d70\u7ebf\u7684\u5bf9\u79f0\u5c06\u964d\u4f4e\u5171\u6a21\u566a\u97f3\u7684\u5371\u5bb3\u3002\u53ef\u662f\uff0c\u5728\u94fa\u7ebf\u4ee5\u524d\u96be\u4ee5\u9884\u6d4b\u5206\u6790\u5408\u7406\u5e03\u5c40\u7684\u6700\u597d\u8ba1\u5212\u65b9\u6848\u3002<\/p>\n
\n\t\u8981\u5411\u96c6\u6210ic\u4ee3\u9500\u5546\u8d44\u8be2PCB\u6392\u677f\u7684\u8bbe\u8ba1\u65b9\u6848\u6307\u5f15\u3002\u5728\u4f9d\u7167\u6307\u5f15\u8bbe\u8ba1\u65b9\u6848\u4ee5\u524d\uff0c\u8981\u4e0e\u4ee3\u9500\u5546\u7684\u5e94\u7528\u5de5\u7a0b\u5e08\u5145\u8db3\u6c9f\u901a\u4ea4\u6d41\u3002\u5f88\u591a\u96c6\u6210ic\u4ee3\u9500\u5546\u5bf9\u7ed9\u4e88\u4f18\u8d28\u7684\u5e03\u677f\u63d0\u8bae\u6709\u4e25\u683c\u8981\u6c42\u7684\u65f6\u95f4\u9650\u5236\u3002\u6709\u65f6\u5019\uff0c\u5979\u4eec\u5e26\u6765\u7684\u89e3\u51b3\u65b9\u6cd5\u9488\u5bf9\u5e94\u7528\u8be5\u5143\u5668\u4ef6\u7684\u201c\u4e00\u7ea7\u987e\u5ba2\u201d\u662f\u884c\u5f97\u901a\u7684\u3002\u5728\u4fe1\u53f7\u5b8c\u6574\u6027(SI)\u8bbe\u8ba1\u65b9\u6848\u884c\u4e1a\uff0c\u65b0\u5143\u5668\u4ef6\u7684\u4fe1\u53f7\u5b8c\u6574\u6027\u8bbe\u8ba1\u65b9\u6848\u5c24\u5176\u5173\u952e\u3002\u4f9d\u636e\u4ee3\u9500\u5546\u7684\u57fa\u672c\u4e0a\u6307\u5f15\u5e76\u4e0e\u5c01\u88c5\u5f62\u5f0f\u4e2d\u6bcf\u6761\u5f00\u5173\u7535\u6e90\u548c\u63a5\u5730\u88c5\u7f6e\u7ba1\u811a\u7684\u7279\u6b8a\u89c4\u5b9a\u7d27\u5bc6\u7ed3\u5408\uff0c\u5c31\u53ef\u4ee5\u9010\u6e10\u5bf9\u96c6\u6210\u5316\u4e86DSP\u548c\u5fae\u63a7\u5236\u5668\u7684OC48\u5361\u5408\u7406\u5e03\u5c40\u8d70\u7ebf\u3002<\/p>\n
\n\t\u9ad8\u9891\u7387\u4eff\u771f\u6a21\u62df\u4e00\u90e8\u5206\u7684\u5177\u4f53\u4f4d\u7f6e\u548c\u8d70\u7ebf\u660e\u786e\u540e\uff0c\u5c31\u53ef\u4ee5\u7f6e\u653e\u5176\u4ed6\u7684\u6570\u5b57\u7535\u8def\u8bbe\u8ba1\u3002\u8981\u7559\u610f\u7ec6\u5fc3\u8bbe\u8ba1\u65b9\u6848\u4ee5\u4e0b\u7535\u6e90\u7535\u8def\uff1a\u5bf9\u8109\u51b2\u4fe1\u53f7\u654f\u611f\u5ea6\u9ad8\u7684CPU\u4e2dPLL\u5f00\u5173\u7535\u6e90\u4f4e\u901a\u6ee4\u6ce2\u5668\u7684\u90e8\u4f4d\uff1b\u5f53\u5730CPU\u5185\u6838\u7535\u5382<\/u>\u538b\u8c03\u6574\u5668\uff1b\u7528\u4ee5\u201c\u6570\u636e\u201d\u5fae\u63a7\u5236\u5668\u7684\u53c2\u7167\u7535\u538b\u7535\u6d41\u7535\u6e90\u7535\u8def\u3002<\/p>\n
\n\t\u6570\u636e\u8d70\u7ebf\u7684\u7535\u6c14\u8bbe\u5907\u548c\u751f\u4ea7\u5236\u9020\u89c4\u5219\u6807\u51c6\u8fd9\u65f6\u624d\u53ef\u4ee5\u9002\u5f53\u5730\u4f7f\u7528\u5230\u8bbe\u8ba1\u65b9\u6848\u5f53\u4e2d\u3002\u524d\u8ff0\u5bf9\u5feb\u901f\u6570\u636e\u7cfb\u7edf\u603b\u7ebf\u548c\u65f6\u949f\u4fe1\u53f7\u7684\u4fe1\u53f7\u5b8c\u6574\u6027\u7684\u8bbe\u8ba1\u65b9\u6848\uff0c\u63ed\u9732\u51fa\u4e00\u4e9b\u5bf9CPU\u7cfb\u7edf\u603b\u7ebf\u3001\u5747\u8861Ts\u53ca\u4e00\u4e9b\u65f6\u949f\u4fe1\u53f7\u8d70\u7ebf\u7684\u65f6\u6ede\u914d\u5bf9\u7684\u72ec\u7279\u8d70\u7ebf\u62d3\u6251\u7ed3\u6784\u89c4\u5b9a\u3002\u53ef\u662f\u4f60\u4e5f\u8bb8\u4e0d\u6e05\u695a\uff0c\u4e5f\u6709\u4e9b\u4eba\u660e\u786e\u63d0\u51fa\u5347\u7ea7\u7684\u63d0\u8bae\uff0c\u5373\u63d0\u5347\u591a\u4e2a\u7ebf\u63a5\u7535\u963b\u5668\u3002<\/p>\n
\n\t\u5728\u89e3\u51b3\u56f0\u96be\u7684\u73af\u8282\u4e2d\uff0c\u5e03\u677f\u73af\u8282\u505a\u4e00\u4e9b\u8bbe\u5b9a\u662f\u81ea\u7136\u7684\u4e8b\u3002\u53ef\u662f\uff0c\u5728\u9010\u6e10\u8d70\u7ebf\u4ee5\u524d\uff0c\u5f88\u91cd\u8981\u7684\u4e00\u6b65\u662f\u4f9d\u7167\u5408\u7406\u5e03\u5c40\u8ba1\u5212\u65b9\u6848\u8ba4\u8bc1\u6570\u636e\u4e00\u90e8\u5206\u7684\u65f6\u949f\u9891\u7387\u3002\u6b64\u523b\uff0c\u5bf9\u4e3b\u63a7\u677f\u5f00\u5c55\u8be6\u7ec6DFM<\/u>\/DFT\u5408\u7406\u5e03\u5c40\u590d\u8bca\u5c06\u6709\u5229\u4e8e\u4fdd\u8bc1\u6b64\u5361\u8fbe\u5230\u7528\u6237\u7684\u5fc5\u987b\u3002<\/p>\n
\n\tOC48\u5361\u7684\u6570\u636e\u8d70\u7ebf<\/p>\n
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