51单片机与DAC0832ADC0809连接原理图

单缓冲方式MOVDPTR,#7FFFHMOVA,#dataMOVX@DPTR,ADAC0832与单片机的接口80C51P2.7P0WRCSXFERWR1WR2ILEVCC+5V-+RfbVODAC0832IOUT1IOUT21kΩ1MΩDI0DI7DGNDVSS1/4LM324VREF-5V双缓冲方式MOVDPTR,#0DFFFHMOVA,#data1MOVX@DPTR,AMOVDPTR,#0BFFFHMOVA,#data2MOVX@DPTR,AMOVDPTR,#7FFFHMOVX@DPTR,A80C51P2.7P0WRCSXFERWR1WR2ILEVCCDAC0832(1)DI0DI7CSXFERWR1WR2ILEVCC+5VDAC0832(2)DI0DI7P2.6P2.5直通方式ILE接＋5V，CS、WR1、WR2、XFE...