89s52實驗

1、1目錄目錄實驗一IO口控制實驗...........................................................2實驗二PWM信號的產(chǎn)生實驗.......................................................5實驗三蜂鳴器驅動實驗..........................................................7實驗四電子琴模

2、擬實驗..........................................................8實驗五74LS164串轉并實驗......................................................13實驗六74LS165并轉串實驗......................................................15實驗七74HC138譯碼器實驗.

3、.....................................................17實驗八看門狗實驗.............................................................18實驗九查詢式鍵盤實驗.........................................................20實驗十7279陣列式鍵盤實驗...........

4、..........................................22實驗十一8155IO擴展實驗.....................................................25實驗十二8155RAM、定時器擴展實驗.............................................29實驗十三1616LED點陣顯示實驗........................

5、.......................31實驗十四555電路的測頻實驗....................................................33實驗十五繼電器控制實驗.......................................................35實驗十六I2C總線實驗................................................

6、...........37實驗十七實時時鐘實驗.........................................................42實驗十八溫度傳感器溫度控制實驗...............................................46實驗十九216字符型液晶顯示實驗..............................................50實驗二十12864點

7、陣型液晶顯示實驗............................................53實驗二十一紅外發(fā)射接收實驗...................................................58實驗二十二ISD1720語音控制實驗................................................61實驗二十三RS232串口通信實驗................

8、..................................66實驗二十四RS485通信實驗......................................................68實驗二十五SRAM外部數(shù)據(jù)存儲器擴展實驗.........................................70實驗二十六EEPROM外部程序存儲器實驗...............................

9、............72實驗二十七ADC0809并行AD轉換實驗..............................................74實驗二十八TLC549串行AD轉換實驗...............................................76實驗二十九DAC0832并行DA轉換實驗..............................................77實驗

10、三十LTC1446串行DA轉換實驗...............................................80實驗三十一直流電動機控制實驗.................................................83實驗三十二步進電動機控制實驗.................................................84實驗三十三電子萬年歷時鐘實驗..........

11、.......................................86實驗三十四IC卡讀寫實驗.......................................................87實驗三十五非接觸式IC卡讀寫實驗（選配）.......................................91實驗三十六微型打印機實驗(選配).................................

12、..............92實驗三十七USB通信實驗........................................................95實驗三十八以太網(wǎng)通信實驗....................................................105實驗三十九CPLD擴展接口實驗（選配）..........................................117附錄一

13、THKLC51仿真器聯(lián)機及軟件的使用說明....................................122附錄二ISP下載器使用說明.....................................................142附錄三ZLG500B讀卡模塊上位機庫函數(shù)使用說明..................................14431流程圖2源程序（一）實驗一1流程圖2源程序（一）實驗一G0

14、LOOP:MOVA#0FEHMOVR2#8OUTPUT:MOVP1ARLAACALLDELAYDJNZR2OUTPUTLJMPLOOPDELAY:MOVR6#0MOVR7#0DELAYLOOP:；延時程序DJNZR6DELAYLOOPDJNZR7DELAYLOOPRETEND（二）實驗二（二）實驗二KEYLEFTBITP1.0；定義KEYRIGHTBITP1.1LEDLEFTBITP1.2開始設置初始值設移位次數(shù)數(shù)據(jù)輸出左一位延時移位次