{"id":2826,"date":"2019-09-27T03:11:46","date_gmt":"2019-09-27T03:11:46","guid":{"rendered":""},"modified":"2019-09-27T11:12:14","modified_gmt":"2019-09-27T03:12:14","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e7%a4%ba%e6%b3%a2%e5%99%a8%e8%a7%a3%e5%86%b3i2c%e9%80%9a%e4%bf%a1%e5%bc%80%e5%8f%91%e4%b8%ad%e9%81%87%e5%88%b0%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2826","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898"},"content":{"rendered":"

\n\tI2C<\/u>\u603b\u7ebf\u662fPHLIPS\u516c\u53f8\u4e0a\u4e16\u7eaa80\u5e74\u4ee3\u63a8\u51fa\u7684\u4e00\u79cd\u4e24\u7ebf\u5f0f\u4e32\u884c\u603b\u7ebf\uff0c\u6700\u521d\u4e3a\u97f3\u9891<\/u>\u3001\u89c6\u9891\u8bbe\u5907\u6240\u5f00\u53d1\uff0c\u5982\u4eca\u5219\u591a\u5728\u5404\u79cd\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u7528\u4e8e\u8fde\u63a5\u5fae\u63a7\u5236\u5668\u53ca\u5176\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n

\n\tI2C\u603b\u7ebf\u4ec5\u9700\u91c7\u7528\u4e24\u6839\u901a\u4fe1\u7ebf\uff08\u4e00\u6839\u4e3a\u4e32\u884c\u6570\u636e\u7ebf“SDA”\uff0c\u4e00\u6839\u4e3a\u4e32\u884c\u65f6\u949f<\/u>\u7ebf“SCL”\uff09\uff0c\u800c\u4f20\u8f93\u901f\u7387\u5728\u9ad8\u901f\u6a21\u5f0f\u4e0b\u53ef\u8fbe3.4Mbit\/s\uff0c\u5e76\u4e14\u662f\u591a\u4e3b\u603b\u7ebf\u3002\u6bcf\u4e00\u4e2a\u6302\u63a5\u5728I2C\u603b\u7ebf\u4e0a\u7684I2C\u5668\u4ef6\u5747\u53ef\u901a\u8fc7\u552f\u4e00\u7684\u5730\u5740\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\u5e94\u7528I2C\u603b\u7ebf\u53ef\u6709\u6548\u7f29\u51cf\u5143\u5668\u4ef6<\/u>\u9762\u79ef\u3001\u6539\u5584\u6297\u5e72\u6270\u80fd\u529b\u53ca\u589e\u5f3a\u8bbe\u8ba1\u7684\u517c\u5bb9\u6027\u3002\u5f53\u7136\uff0c\u5728\u4eab\u53d7\u5176\u8bbe\u8ba1\u4fbf\u5229\u6027\u7684\u540c\u65f6\uff0c\u4fe1\u53f7\u7684\u590d\u6742\u6027\u4e5f\u5c06\u63d0\u9ad8\u7cfb\u7edf\u8c03\u8bd5\u7684\u96be\u5ea6\u3002<\/p>\n

\n\t\u672c\u6587\u9610\u8ff0\u4e86\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u6240\u9047\u5230\u7684I2C\u901a\u4fe1\u95ee\u9898\u53ca\u4f7f\u7528\u793a\u6ce2\u5668<\/u>\u5206\u6790\u95ee\u9898\u548c\u89e3\u51b3\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n

\n\t\u5206\u6790\u8fc7\u7a0b\u4e2d\u91c7\u7528\u4e86RIGOL\u516c\u53f8\u6700\u65b0\u63a8\u51fa\u7684DS6104\u793a\u6ce2\u5668\uff0c\u5176\u5177\u4f53\u7279\u6027\u5305\u62ec\uff1a\u9ad8\u8fbe1GHz\u5e26\u5bbd\uff0c\u8db3\u4ee5\u6ee1\u8db3\u5e38\u7528\u6807\u51c6\u603b\u7ebf\u7684\u5e26\u5bbd\u9700\u6c42\uff1b5G<\/u>Sa\/s\u5b9e\u65f6\u91c7\u6837\u7387\uff0c\u786e\u4fdd\u4e0d\u4f1a\u9057\u6f0f\u4fe1\u53f7\u7ec6\u8282\uff1b\u6bcf\u79d218\u4e07\u6b21\u7684\u6ce2\u5f62\u6355\u83b7\u7387\uff0c\u6700\u5927\u6982\u7387\u6355\u83b7\u611f\u5174\u8da3\u7684\u4fe1\u53f7\uff1b\u6807\u914d140M\u6df1\u5b58\u50a8<\/u>\uff0c\u540c\u65f6\u6ee1\u8db3\u603b\u89c8\u5168\u5c40\u548c\u89c2\u5bdf\u5c40\u90e8\u7684\u9700\u6c42\uff1b\u53ef\u5f55\u5236\u591a\u8fbe18\u4e07\u5e27\u7684\u6ce2\u5f62\uff0c\u5947\u5f02\u4fe1\u53f7\u968f\u610f\u56de\u653e\u548c\u5206\u6790\uff1b\u63d0\u4f9b\u591a\u79cd\u4e32\u884c\u89e6\u53d1\uff0cRS<\/u>232\u3001I2C\u3001SPI<\/u>\u3001CAN<\/u>\u3001USB<\/u>\u7b49\u3002<\/p>\n

\n\t\u95ee\u9898\u63a2\u8ba8<\/p>\n

\n\t\u9879\u76ee\u8bbe\u8ba1\u4e2d\u8ba1\u5212\u91c7\u7528Cypress<\/u> 68013A\u82af\u7247\u6765\u5b9e\u73b0USB\u5668\u4ef6\u529f\u80fd\u300268013A\u662fCypress\u516c\u53f8\u51fa\u4ea7\u7684\u4e00\u6b3e\u9ad8\u901fUSB\u5668\u4ef6\uff0c\u8be5\u82af\u7247\u7684\u53c2\u8003\u8bbe\u8ba1\u662f\u901a\u8fc7I2C\u603b\u7ebf\u8bfb\u53d6\u5b58\u50a8\u5728EEPROM<\/u>\u4e2d\u7684\u56fa\u4ef6\u7a0b\u5e8f\u6765\u8fd0\u884c\u7684\uff0c\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe1\uff1aCypress 68013A\u4e0eEEPROM\u8fde\u63a5\u793a\u610f\u56fe\u3002<\/p>\n

\n\t\u8bbe\u8ba1\u4e2d\uff0c\u4e3a\u8fdb\u4e00\u6b65\u51cf\u5c11\u5668\u4ef6\u9762\u79ef\u3001\u964d\u4f4e\u529f\u8017\uff0c\u4ee5\u53ca\u4fbf\u4e8e\u5728\u540e\u7eed\u8fdb\u884c\u5728\u7ebf\u5347\u7ea7\u56fa\u4ef6\uff0c\u51b3\u5b9a\u4f7f\u7528DSP<\/u>\u6765\u6a21\u62df\u5b9e\u73b0EEPROM\u4e0e68013A\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u540c\u65f6\uff0c\u901a\u8fc7I2C\u603b\u7ebf\u5728\u7ebf\u4e0b\u8f7d\u56fa\u4ef6\u81f368013A\u5e76\u8fd0\u884c\u6765\u5b8c\u6210\uff0c\u5982\u56fe2\u6240\u793a\u3002<\/p>\n

\n\t\u53c2\u800368013A\u6570\u636e\u624b\u518c\u7f16\u7a0b\u540e\uff0c\u5374\u53d1\u73b0\u5728\u901a\u8fc7DSP\u6a21\u62dfEEPROM\u4e0e68013A\u901a\u4fe1\u65f6\u65e0\u6cd5\u6b63\u786e\u4e0b\u8f7d\u56fa\u4ef6\u7a0b\u5e8f\uff0c\u5373DSP\u600e\u6837\u901a\u8fc7I2C\u603b\u7ebf\u4e0b\u8f7d\u56fa\u4ef6\u81f368013A\uff1f<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe2\uff1aCypress 68013A\u4e0eDSP\u8fde\u63a5\u793a\u610f\u56fe\u3002<\/p>\n

\n\t\u89e3\u51b3\u65b9\u6cd5<\/p>\n

\n\t\u9996\u5148\uff0c\u9700\u8981\u786e\u8ba4\u901a\u4fe1\u73af\u5883\u65e0\u95ee\u9898\uff0c\u5373\uff1a\u603b\u7ebf\u8fde\u63a5\u65e0\u95ee\u9898\uff1bDSP\u7684I2C\u901a\u4fe1\u7a0b\u5e8f\u65e0\u95ee\u9898\uff1bCypress 68013A\u7684I2C\u901a\u4fe1\u65e0\u95ee\u9898\u3002<\/p>\n

\n\t\u7ecf\u4f9d\u6b21\u9a8c\u8bc1\u540e\u53d1\u73b0\u4ee5\u4e0a\u5404\u9879\u5747\u65e0\u95ee\u9898\uff0c\u90a3\u4e48\uff0c\u53ea\u53ef\u80fd\u662f\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u9519\u8bef\u3002\u4f46\u662f\uff0c\u5728\u53c2\u8003\u624b\u518c\u4e2d\u5374\u6ca1\u6709\u627e\u5230\u5173\u4e8e68013A\u4e0eEEPROM\u901a\u4fe1\u7684\u8be6\u7ec6\u63cf\u8ff0\u3002\u4e3a\u83b7\u53d6\u4e24\u8005\u95f4\u5728\u521d\u59cb\u901a\u4fe1\u9636\u6bb5\u7684\u8be6\u7ec6\u6570\u636e\uff0c\u4f7f\u7528RIGOL\u516c\u53f8\u7684DS6104\u793a\u6ce2\u5668\u6765\u6355\u83b7\u521d\u59cb\u9636\u6bb5\u7684\u901a\u4fe1\u6570\u636e\u3002<\/p>\n

\n\tDS6104\u793a\u6ce2\u5668\u5177\u6709I2C\u89e6\u53d1\u53caI2C\u89e3\u7801\u5957\u4ef6<\/u>\uff0c\u4e3a\u6355\u83b7\u6570\u636e\u9700\u8bbe\u7f6e\u5982\u4e0b\uff1a\u8bbe\u7f6eDS6104\u793a\u6ce2\u5668\u89e6\u53d1\u65b9\u5f0f\u4e3a“I2C”\u3001\u89e6\u53d1\u6761\u4ef6\u4e3a“\u542f\u52a8”\uff1b\u8bbe\u7f6e\u89e6\u53d1\u65f6\u949f\u4fe1\u6e90\u3001\u6570\u636e\u4fe1\u6e90\u53ca\u5408\u9002\u7684\u89e6\u53d1\u7535<\/u>\u5e73\uff1b\u6253\u5f00I2C\u89e3\u7801\u5e76\u8bbe\u7f6e\u89e3\u7801\u9608\u503c\uff1b\u8bbe\u7f6e\u793a\u6ce2\u5668\u4e3a\u5355\u6b21\u89e6\u53d1\u3002\u8bbe\u7f6e\u5b8c\u6bd5\u540e\uff0c\u901a\u8fc7\u76d1\u6d4bI2C\u4e0eEEPROM\u901a\u4fe1\u5373\u53ef\u6355\u83b7\u5168\u90e8\u7684\u901a\u4fe1\u6570\u636e\u5934\uff0c\u56fe3\u6240\u793a\u4e3a\u6240\u5f97\u89e3\u7801\u6570\u636e\u3002<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe3\uff1aCypress 68013A\u4e0eEEPROM I2C\u521d\u59cb\u901a\u4fe1\u6570\u636e\u3002<\/p>\n

\n\t\u901a\u8fc7\u4e0e\u8bfb\u5165DSP\u5185\u5b58\u7684\u56fa\u4ef6\u6570\u636e\uff08\u56fe4\uff09\u5bf9\u6bd4\u53ef\u77e5\uff0c\u56fe\u4e2d\u7684“0xC2 0x47 \u3002..”\u53ca\u540e\u7eed\u6570\u636e\u624d\u662f\u771f\u6b63\u7684\u56fa\u4ef6\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5bfc\u81f4DSP\u6a21\u62dfEEPROM\u901a\u4fe1\u5931\u8d25\u7684\u539f\u56e0\u662f\u4ece\u8d77\u59cb\u6570\u636e\u81f3\u56fa\u4ef6\u6570\u636e\u95f4\u7684I2C\u901a\u4fe1\uff08\u540e\u6587\u5c06\u79f0\u5176\u4e3a\u63e1\u624b\u901a\u4fe1\uff09\u3002\u4f7f\u7528DS6104\u7684\u6c34\u5e73\u65f6\u57fa\u5fae\u8c03\u529f\u80fd\u5c06\u56fe\u4e2d\u6ce2\u5f62\u5c55\u5f00\u4e4b\u540e\uff0c\u4fbf\u53ef\u66f4\u6e05\u695a\u5730\u770b\u5230\u63e1\u624b\u901a\u4fe1\u8fc7\u7a0b\uff08\u56fe5\uff09\uff0c\u5176\u63cf\u8ff0\u5982\u4e0b\uff1a\u8bfb\u5730\u5740“0x50”\uff0c\u65e0\u6570\u636e\u8fd4\u56de\uff1b\u8bfb\u5730\u5740“0x51”\uff0c\u8fd4\u56de“0xAD”\uff1b\u5199\u5730\u5740“0x51”\uff0c\u5199\u4e24\u4e2a\u5b57\u8282“0x00”\u3002<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe4\uff1a\u8bfb\u5165DSP\u5185\u5b58\u768468013A\u56fa\u4ef6\u7a0b\u5e8f\u6570\u636e\uff08\u90e8\u5206\uff09\u3002<\/p>\n

\n\t\u81f3\u6b64\uff0c\u95ee\u9898\u5f97\u4ee5\u7b80\u5316\u4e3a\uff1a\u600e\u6837\u5728DSP\u4e2d\u6a21\u62df\u8fd9\u90e8\u5206\u7684\u63e1\u624b\u901a\u4fe1\uff1f\u901a\u8fc7\u793a\u6ce2\u5668\u83b7\u53d6\u53ef\u89c6\u5316\u63e1\u624b\u901a\u4fe1\u6570\u636e\u4ee5\u540e\uff0c\u5219\u6a21\u62df\u5176\u901a\u4fe1\u8fc7\u7a0b\u4ec5\u9700\u4ee5\u4e0b\u4e09\u6b65\uff1a\u8bbe\u7f6eDSP\u7684I2C\u603b\u7ebf\u5730\u5740\u4e3a“0x51”\uff0c\u4e0e\u5730\u5740“0x50”\u4e0d\u5339\u914d\u5219\u65e0\u8fd4\u56de\uff1b\u5728DSP\u7684I2C\u901a\u4fe1\u7a0b\u5e8f\u4e2d\uff0c\u4e0b\u8f7d\u56fa\u4ef6\u65f6\u5148\u53d1\u9001“0xAD”\uff0c\u6ee1\u8db3“0x51”\u5730\u5740\u4e0a\u8bfb\u5230\u7684\u7b2c\u4e00\u4e2a\u6570\u636e\u4e3a“0xAD”\uff1bDSP\u901a\u8fc7I2C\u4e0b\u8f7d\u56fa\u4ef6\u65f6\uff0c\u53ef\u4ee5\u63a5\u6536“0x00”\u4f46\u4e0d\u8fdb\u884c\u5904\u7406\uff0c\u4fdd\u8bc1\u63e1\u624b\u901a\u4fe1\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

\n\t\u5982\u4e0a\u6240\u8ff0\uff0c\u5728DSP\u7684I2C\u901a\u4fe1\u7a0b\u5e8f\u4e2d\u5305\u542b\u6b64\u90e8\u5206\u63e1\u624b\u901a\u4fe1\u5904\u7406\u540e\uff0c\u4f7f\u7528DSP\u6a21\u62dfEEPROM\u4e0eCypress 68013A\u4fbf\u53ef\u8fdb\u884c\u6b63\u5e38\u901a\u4fe1\uff0c\u5e76\u53ef\u6210\u529f\u5730\u4e0b\u8f7d68013A\u56fa\u4ef6\u3002<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe5\uff1aCypress 68013A\u4e0eEEPROM I2C\u901a\u4fe1\u6570\u636e\u5934\u5c55\u5f00\u3002<\/p>\n

\n\tCypress 68013A\u652f\u6301\u76f4\u63a5\u5728\u56fa\u4ef6\u4e2d\u4fee\u6539\u914d\u7f6e\u5b57\uff08\u5982\u56fe6\u6240\u793a\uff0c\u5730\u57407\uff09\uff0c\u4ece\u800c\u53ef\u5728\u56fa\u4ef6\u4e0b\u8f7d\u5b8c\u6bd5\u540e\u914d\u7f6e\u542f\u52a8\u7c7b\u578b\u3002<\/p>\n

\n\t\"\u5982\u4f55\u4f7f\u7528\u793a\u6ce2\u5668\u89e3\u51b3I2C\u901a\u4fe1\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\"<\/p>\n

\n\t\u56fe6\uff1aCypress 68013A ‘C2 Load’\u683c\u5f0f\u3002<\/p>\n

\n\t\u6211\u4eec\u6309\u7167\u56fe7\u6240\u793a\u7684Cypress\u6587\u6863\u63d0\u4f9b\u7684\u5bc4\u5b58\u5668<\/u>\u914d\u7f6e\u683c\u5f0f\uff0c\u914d\u7f6e\u56fa\u4ef6\u4e3a\u542f\u52a8\u65f6\u65ad\u5f00USB\u8fde\u63a5\uff0c\u5e76\u5c06I2C\u65f6\u949f\u8bbe\u7f6e\u4e3a400KHz\uff08\u5c06\u5730\u57407\u6570\u636e\u4fee\u6539\u4e3a“0x41”\uff09\u3002<\/p>\n

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