文件名称:txev
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通过编写程序使D/A转换器DAC0832产生锯齿波，然后利用A/D转换器ADC0809采集
转换这个波形。其中ADC0809的时钟信号由定时器8253来提供；中断的申请由A/D
转换器向8259A发出信号后，再由8259A向8086处理器发出中断申请信号，完成对
锯齿波的采集-Through the preparation process so that D/A converter DAC0832 sawtooth generated, and then use A/D converter ADC0809 conversion of the waveform acquisition. ADC0809 which the clock signal provided by timer 8253 interruption of the application by A/D converter after a signal to the 8259A, 8259A and then sent to the interruption of the application processor 8086 signals the completion of the acquisition of the sawtooth
转换这个波形。其中ADC0809的时钟信号由定时器8253来提供；中断的申请由A/D
转换器向8259A发出信号后，再由8259A向8086处理器发出中断申请信号，完成对
锯齿波的采集-Through the preparation process so that D/A converter DAC0832 sawtooth generated, and then use A/D converter ADC0809 conversion of the waveform acquisition. ADC0809 which the clock signal provided by timer 8253 interruption of the application by A/D converter after a signal to the 8259A, 8259A and then sent to the interruption of the application processor 8086 signals the completion of the acquisition of the sawtooth
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