{"id":1370,"date":"2018-11-14T01:02:34","date_gmt":"2018-11-14T01:02:34","guid":{"rendered":""},"modified":"2018-11-14T08:56:41","modified_gmt":"2018-11-14T00:56:41","slug":"%e5%8d%95%e7%89%87%e6%9c%ba%e6%95%99%e7%a8%8b%e4%b9%a6%e7%b1%8d%e6%8e%a8%e8%8d%90%ef%bc%9a%e7%8e%8b%e4%ba%9151%e5%8d%95%e7%89%87%e6%9c%bac%e8%af%ad%e8%a8%80%e7%a8%8b%e5%ba%8f%e8%ae%be","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1370","title":{"rendered":"\u5355\u7247\u673a\u6559\u7a0b\u4e66\u7c4d\u63a8\u8350\uff1a\u738b\u4e9151\u5355\u7247\u673aC\u8bed\u8a00\u7a0b\u5e8f\u8bbe"},"content":{"rendered":"\n\n\n
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\n\t\t\t\t\t\t9.3 \u8bfe\u540e\u4f5c\u4e1a 117 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 10\u7ae0 LCD\u6db2\u6676\u663e\u793a\u539f\u7406\u53ca\u5e94\u7528 118 

\n\t\t\t\t\t\t10.1 LCD\u6db2\u6676\u57fa\u7840\u77e5\u8bc6 119 

\n\t\t\t\t\t\t10.2 1602\u6db2\u6676\u4ecb\u7ecd\u4e0e\u5b9e\u4f8b\u5206\u6790 120 

\n\t\t\t\t\t\t10.2.1 1602\u6db2\u6676\u786c\u4ef6\u63a5\u53e3\u4ecb\u7ecd 120 

\n\t\t\t\t\t\t10.2.2 1602\u6db2\u6676\u65f6\u5e8f\u64cd\u4f5c\u4ecb\u7ecd 121 

\n\t\t\t\t\t\t10.2.3 1602\u6db2\u6676\u5b9e\u4f8b\u6f14\u793a 125 

\n\t\t\t\t\t\t10.3 12864\u6db2\u6676\u4ecb\u7ecd\u4e0e\u5b9e\u4f8b\u5206\u6790 131 

\n\t\t\t\t\t\t10.3.1 12864\u6db2\u6676\u786c\u4ef6\u63a5\u53e3\u4ecb\u7ecd 131 

\n\t\t\t\t\t\t10.3.2 12864\u6db2\u6676\u65f6\u5e8f\u64cd\u4f5c\u4ecb\u7ecd 132 

\n\t\t\t\t\t\t10.3.3 12864\u6db2\u6676\u5b9e\u4f8b\u6f14\u793a 138 

\n\t\t\t\t\t\t10.4 \u8bfe\u540e\u4f5c\u4e1a 141 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 11\u7ae0 \u4e32\u884c\u53e3\u901a\u4fe1\u539f\u7406\u53ca\u5e94\u7528 142 

\n\t\t\t\t\t\t11.1 \u901a\u4fe1\u57fa\u7840\u77e5\u8bc6 143 

\n\t\t\t\t\t\t11.1.1 \u5e76\u884c\u901a\u4fe1 143 

\n\t\t\t\t\t\t11.1.2 \u4e32\u884c\u901a\u4fe1 143 

\n\t\t\t\t\t\t11.2 \u4e32\u884c\u901a\u4fe1\u7684\u5206\u7c7b 144 

\n\t\t\t\t\t\t11.2.1 \u5f02\u6b65\u901a\u4fe1 144 

\n\t\t\t\t\t\t11.2.2 \u540c\u6b65\u901a\u4fe1 145 

\n\t\t\t\t\t\t11.2.3 \u4e32\u884c\u901a\u4fe1\u65b9\u5f0f 145 

\n\t\t\t\t\t\t11.3 \u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6 146 

\n\t\t\t\t\t\t11.3.1 RS232\u63a5\u53e3 146 

\n\t\t\t\t\t\t11.3.2 RS232\u4e32\u884c\u53e3\u901a\u4fe1\u7535\u8def 147 

\n\t\t\t\t\t\t11.3.3 USB\u8f6c\u4e32\u884c\u53e3\u901a\u4fe1\u7535\u8def 147 

\n\t\t\t\t\t\t11.4 80C51\u4e32\u884c\u53e3\u7684\u7ed3\u6784 148 

\n\t\t\t\t\t\t11.4.1 80C51\u4e32\u884c\u53e3\u57fa\u672c\u5de5\u4f5c\u539f\u7406 148 

\n\t\t\t\t\t\t11.4.2 80C51\u4e32\u884c\u53e3\u7684\u63a7\u5236\u5bc4\u5b58\u5668 149 

\n\t\t\t\t\t\t11.4.3 80C51\u4e32\u884c\u53e3\u7684\u5de5\u4f5c\u65b9\u5f0f 151 

\n\t\t\t\t\t\t11.5 \u6ce2\u7279\u7387\u7684\u8ba1\u7b97 154 

\n\t\t\t\t\t\t11.6 \u5b9e\u4f8b\u8bb2\u89e3 155 

\n\t\t\t\t\t\t11.7 \u8bfe\u540e\u4f5c\u4e1a 160 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 12\u7ae0 I2C\u603b\u7ebf\u539f\u7406\u548c\u6a21\u5757\u5316\u7f16\u7a0b\u65b9\u6cd5 161 

\n\t\t\t\t\t\t12.1 I2C\u603b\u7ebf\u6982\u8ff0 162 

\n\t\t\t\t\t\t12.1.1 I2C\u603b\u7ebf\u7b80\u4ecb 162 

\n\t\t\t\t\t\t12.1.2 I2C\u5668\u4ef6\u63a5\u53e3 162 

\n\t\t\t\t\t\t12.2 I2C\u603b\u7ebf\u7684\u6570\u636e\u4f20\u9001 163 

\n\t\t\t\t\t\t12.2.1 I2C\u603b\u7ebf\u6570\u636e\u64cd\u4f5c\u6709\u6548\u6027\u89c4\u5b9a 163 

\n\t\t\t\t\t\t12.2.2 I2C\u603b\u7ebf\u7684\u6570\u636e\u4f20\u9001\u683c\u5f0f 163 

\n\t\t\t\t\t\t12.3 \u5355\u7247\u673a\u7684\u666e\u901aI\/O\u53e3\u6a21\u62dfI2C\u901a\u4fe1 165 

\n\t\t\t\t\t\t12.3.1 I2C\u603b\u7ebf\u4fe1\u53f7\u65f6\u5e8f\u5206\u6790 165 

\n\t\t\t\t\t\t12.3.2 I2C\u603b\u7ebf\u57fa\u672c\u64cd\u4f5c\u65f6\u5e8f\u5206\u6790 167 

\n\t\t\t\t\t\t12.4 I2C\u5668\u4ef6AT24C02\u7684\u5e94\u7528 169 

\n\t\t\t\t\t\t12.4.1 I2C\u5668\u4ef6AT24C02\u7b80\u4ecb 169 

\n\t\t\t\t\t\t12.4.2 I2C\u5668\u4ef6AT24C02\u7684\u8bfb\/\u5199\u65f6\u5e8f 170 

\n\t\t\t\t\t\t12.4.3 \u7528\u6a21\u5757\u5316\u7f16\u7a0b\u5bf9AT24C02\u8fdb\u884c\u64cd\u4f5c 173 

\n\t\t\t\t\t\t12.5 \u8bfe\u540e\u4f5c\u4e1a 179 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 13\u7ae0 \u7ea2\u5916\u901a\u4fe1\u539f\u7406\u53ca\u5e94\u7528 180 

\n\t\t\t\t\t\t13.1 \u7ea2\u5916\u7ebf\u7b80\u4ecb 181 

\n\t\t\t\t\t\t13.1.1 \u7ea2\u5916\u7ebf 181 

\n\t\t\t\t\t\t13.1.2 \u7ea2\u5916\u4fe1\u53f7\u53d1\u751f\u7535\u8def 181 

\n\t\t\t\t\t\t13.1.3 \u7ea2\u5916\u4fe1\u53f7\u63a5\u6536\u7535\u8def 181 

\n\t\t\t\t\t\t13.2 \u7ea2\u5916\u901a\u4fe1\u539f\u7406 182 

\n\t\t\t\t\t\t13.2.1 \u7ea2\u5916\u57fa\u5e26\u4fe1\u53f7\u53d1\u9001\u534f\u8bae 182 

\n\t\t\t\t\t\t13.2.2 \u7ea2\u5916\u57fa\u5e26\u4fe1\u53f7\u8c03\u5236 184 

\n\t\t\t\t\t\t13.2.3 \u7ea2\u5916\u4fe1\u53f7\u89e3\u8c03 185 

\n\t\t\t\t\t\t13.3 \u7ea2\u5916\u89e3\u7801\u5b9e\u4f8b\u4ecb\u7ecd 186 

\n\t\t\t\t\t\t13.4 \u8bfe\u540e\u4f5c\u4e1a 190 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 14\u7ae0 DS18B20\u6d4b\u6e29\u539f\u7406\u53ca\u5e94\u7528 191 

\n\t\t\t\t\t\t14.1 DS18B20\u7b80\u4ecb 192 

\n\t\t\t\t\t\t14.1.1 DS18B20\u5c01\u88c5\u53ca\u5f15\u811a\u8bf4\u660e 192 

\n\t\t\t\t\t\t14.1.2 \u529f\u80fd\u7279\u6027 192 

\n\t\t\t\t\t\t14.1.3 \u4e24\u79cd\u4f9b\u7535\u65b9\u5f0f 193 

\n\t\t\t\t\t\t14.2 DS18B20\u5185\u90e8\u7ed3\u6784\u53ca\u529f\u80fd 193 

\n\t\t\t\t\t\t14.2.1 DS18B20\u5185\u90e8\u7ed3\u6784 193 

\n\t\t\t\t\t\t14.2.2 \u529f\u80fd\u4ecb\u7ecd 194 

\n\t\t\t\t\t\t14.3 \u5355\u603b\u7ebf\u7b80\u4ecb 196 

\n\t\t\t\t\t\t14.3.1 \u5355\u603b\u7ebf\u6982\u8ff0 196 

\n\t\t\t\t\t\t14.3.2 \u5355\u603b\u7ebf\u4fe1\u53f7\u7c7b\u578b 196 

\n\t\t\t\t\t\t14.4 DS18B20\u65f6\u5e8f\u8fc7\u7a0b 198 

\n\t\t\t\t\t\t14.4.1 \u5355\u603b\u7ebf\u521d\u59cb\u5316 198 

\n\t\t\t\t\t\t14.4.2 ROM\u64cd\u4f5c\u547d\u4ee4 198 

\n\t\t\t\t\t\t14.4.3 \u5b58\u50a8\u5668\u64cd\u4f5c\u547d\u4ee4 198 

\n\t\t\t\t\t\t14.4.4 \u6570\u7406\u5904\u7406 199 

\n\t\t\t\t\t\t14.5 DS18B20\u5e94\u7528\u5b9e\u4f8b 199 

\n\t\t\t\t\t\t14.6 \u8bfe\u540e\u4f5c\u4e1a 203 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 15\u7ae0 \u6b65\u8fdb\u7535\u673a\u9a71\u52a8\u539f\u7406\u53ca\u5e94\u7528 204 

\n\t\t\t\t\t\t15.1 \u6b65\u8fdb\u7535\u673a\u6982\u8ff0 205 

\n\t\t\t\t\t\t15.1.1 \u6b65\u8fdb\u7535\u673a\u7684\u8ba4\u8bc6 205 

\n\t\t\t\t\t\t15.1.2 \u6b65\u8fdb\u7535\u673a\u5206\u7c7b 205 

\n\t\t\t\t\t\t15.1.3 \u6b65\u8fdb\u7535\u673a\u7684\u4e3b\u8981\u6280\u672f\u6307\u6807 205 

\n\t\t\t\t\t\t15.2 \u6b65\u8fdb\u7535\u673a\u5de5\u4f5c\u539f\u7406 206 

\n\t\t\t\t\t\t15.2.1 \u6b65\u8fdb\u7535\u673a\u7684\u9a71\u52a8 206 

\n\t\t\t\t\t\t15.2.2 \u6b65\u8fdb\u7535\u673a\u7684\u52b1\u78c1\u65b9\u5f0f 207 

\n\t\t\t\t\t\t15.3 28BYJ-48\u6b65\u8fdb\u7535\u673a\u5e94\u7528 208 

\n\t\t\t\t\t\t15.3.1 28BYJ-48\u6b65\u8fdb\u7535\u673a\u53c2\u6570 209 

\n\t\t\t\t\t\t15.3.2 28BYJ-48\u6b65\u8fdb\u7535\u673a\u9a71\u52a8\u7535\u8def 209 

\n\t\t\t\t\t\t15.3.3 \u6b65\u8fdb\u7535\u673a\u5e94\u7528\u5b9e\u4f8b 211 

\n\t\t\t\t\t\t15.4 \u8bfe\u540e\u4f5c\u4e1a 213 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 16\u7ae0 LED\u70b9\u9635\u9a71\u52a8\u539f\u7406\u53ca\u5e94\u7528 214 

\n\t\t\t\t\t\t16.1 LED\u70b9\u9635\u7b80\u4ecb 215 

\n\t\t\t\t\t\t16.1.1 \u8ba4\u8bc68×8\u70b9\u9635\u6a21\u5757 215 

\n\t\t\t\t\t\t16.1.2 8×8\u70b9\u9635\u4e0e\u5355\u7247\u673a\u8fde\u63a5 217 

\n\t\t\t\t\t\t16.2 \u70b9\u9635\u7684\u663e\u793a\u539f\u7406 217 

\n\t\t\t\t\t\t16.2.1 \u70b9\u9635\u7684\u9759\u6001\u663e\u793a 218 

\n\t\t\t\t\t\t16.2.2 \u70b9\u9635\u7684\u52a8\u6001\u663e\u793a 219 

\n\t\t\t\t\t\t16.3 \u70b9\u9635\u53d6\u6a21\u8f6f\u4ef6\u4ecb\u7ecd 222 

\n\t\t\t\t\t\t16.3.1 \u4f7f\u7528\u6f14\u793a 223 

\n\t\t\t\t\t\t16.3.2 \u672f\u8bed\u4ecb\u7ecd 225 

\n\t\t\t\t\t\t16.3.3 \u5e94\u7528\u4e3e\u4f8b 225 

\n\t\t\t\t\t\t16.4 \u8bfe\u540e\u4f5c\u4e1a 228 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 17\u7ae0 DS1302\u5b9e\u65f6\u65f6\u949f\u4e0eSPI\u901a\u4fe1\u539f\u7406 229 

\n\t\t\t\t\t\t17.1 DS1302\u7b80\u4ecb 230 

\n\t\t\t\t\t\t17.1.1 \u529f\u80fd\u7279\u70b9 230 

\n\t\t\t\t\t\t17.1.2 \u5c01\u88c5\u53ca\u5f15\u811a 230 

\n\t\t\t\t\t\t17.1.3 DS1302\u7684\u4e3b\u8981\u6027\u80fd\u6307\u6807 230 

\n\t\t\t\t\t\t17.1.4 DS1302\u4e0e\u5355\u7247\u673a\u8fde\u63a5\u7535\u8def 231 

\n\t\t\t\t\t\t17.2 DS1302\u7684\u5bc4\u5b58\u5668\u53ca\u7247\u5185RAM 231 

\n\t\t\t\t\t\t17.2.1 \u4e0e\u65e5\u5386\u3001\u65f6\u949f\u76f8\u5173\u5bc4\u5b58\u5668 232 

\n\t\t\t\t\t\t17.2.2 BCD\u7801\u7b80\u4ecb 233 

\n\t\t\t\t\t\t17.2.3 \u63a7\u5236\u5bc4\u5b58\u5668 233 

\n\t\t\t\t\t\t17.2.4 \u5199\u4fdd\u62a4\u5bc4\u5b58\u5668 234 

\n\t\t\t\t\t\t17.2.5 \u5145\u7535\u5bc4\u5b58\u5668 234 

\n\t\t\t\t\t\t17.3 DS1302\u6570\u636e\u8bfb\u5199\u65f6\u5e8f\u53caSPI\u901a\u4fe1\u539f\u7406 235 

\n\t\t\t\t\t\t17.3.1 \u5355\u5b57\u8282\u5199\u64cd\u4f5c 235 

\n\t\t\t\t\t\t17.3.2 \u5355\u5b57\u8282\u8bfb\u64cd\u4f5c 235 

\n\t\t\t\t\t\t17.4 DS1302\u5b9e\u4f8b\u64cd\u4f5c 236 

\n\t\t\t\t\t\t17.5 \u8bfe\u540e\u4f5c\u4e1a 241 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 18\u7ae0 \u8702\u9e23\u5668\u4e0e\u7ee7\u7535\u5668\u9a71\u52a8\u539f\u7406\u53ca\u5e94\u7528 242 

\n\t\t\t\t\t\t18.1 \u8702\u9e23\u5668\u7b80\u4ecb 243 

\n\t\t\t\t\t\t18.1.1 \u8702\u9e23\u5668\u5206\u7c7b 243 

\n\t\t\t\t\t\t18.1.2 \u6709\u6e90\u8702\u9e23\u5668\u548c\u65e0\u6e90\u8702\u9e23\u5668\u7684\u7279\u70b9 243 

\n\t\t\t\t\t\t18.1.3 \u8702\u9e23\u5668\u9009\u7528\u57fa\u672c\u8981\u70b9 244 

\n\t\t\t\t\t\t18.1.4 \u9a71\u52a8\u7535\u8def 244 

\n\t\t\t\t\t\t18.2 \u8702\u9e23\u5668\u5e94\u7528\u5b9e\u4f8b 244 

\n\t\t\t\t\t\t18.3 \u7ee7\u7535\u5668\u7b80\u4ecb 245 

\n\t\t\t\t\t\t18.3.1 \u7ee7\u7535\u5668\u5de5\u4f5c\u539f\u7406 246 

\n\t\t\t\t\t\t18.3.2 \u7ee7\u7535\u5668\u5e38\u7528\u53c2\u6570 246 

\n\t\t\t\t\t\t18.3.3 \u7ee7\u7535\u5668\u7684\u63a7\u5236\u7535\u8def 247 

\n\t\t\t\t\t\t18.4 \u7ee7\u7535\u5668\u5e94\u7528\u5b9e\u4f8b 248 

\n\t\t\t\t\t\t18.5 \u8bfe\u540e\u4f5c\u4e1a 252 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 19\u7ae0 PWM\u8109\u5bbd\u8c03\u5236\u4e0e\u76f4\u6d41\u7535\u673a\u8c03\u901f 253 

\n\t\t\t\t\t\t19.1 PWM\u7b80\u4ecb 254 

\n\t\t\t\t\t\t19.1.1 \u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\uff08PWM\uff09\u539f\u7406 254 

\n\t\t\t\t\t\t19.1.2 \u5360\u7a7a\u6bd4\u7684\u6982\u5ff5 254 

\n\t\t\t\t\t\t19.2 PWM\u5e94\u7528\u5b9e\u4f8b 255 

\n\t\t\t\t\t\t19.2.1 \u76f4\u6d41\u7535\u673a\u4ecb\u7ecd 255 

\n\t\t\t\t\t\t19.2.2 \u76f4\u6d41\u7535\u673aPWM\u8c03\u901f\u539f\u7406 257 

\n\t\t\t\t\t\t19.3 \u8bfe\u540e\u4f5c\u4e1a 261 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 20\u7ae0 \u5355\u7247\u673a\u7cfb\u7edf\u8bbe\u8ba1——\u591a\u529f\u80fd\u4e07\u5e74\u5386 262 

\n\t\t\t\t\t\t20.1 \u9879\u76ee\u529f\u80fd\u6982\u8ff0 263 

\n\t\t\t\t\t\t20.2 \u539f\u7406\u56fe\u6784\u5efa 263 

\n\t\t\t\t\t\t20.3 \u7a0b\u5e8f\u4ee3\u7801\u8bbe\u8ba1 265 

\n\t\t\t\t\t\t

\n\t\t\t\t\t\t\u7b2c 21\u7ae0 \u5e38\u7528\u7535\u5b50\u5236\u4f5c\u5de5\u5177 289 

\n\t\t\t\t\t\t21.1 \u710a\u63a5\u5de5\u5177\u53ca\u6750\u6599 290 

\n\t\t\t\t\t\t21.1.1 \u7535\u70d9\u94c1 290 

\n\t\t\t\t\t\t21.1.2 \u710a\u9521\u4e1d 291 

\n\t\t\t\t\t\t21.1.3 \u8f85\u52a9\u710a\u63a5\u5de5\u5177 291 

\n\t\t\t\t\t\t21.2 \u6d4b\u91cf\u5de5\u5177 292 

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