文件名称:0809_5
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硬件部分由AT89C51,MAX232，ADC0809，NF555组成，555用来产生ADC0809的CLK，
现在好像是300多K，输入电压直接加在ADC0809的IN0，因为我只用一路所以ADC0809的
A、B、C三个进址我直接接地。ADC0809的ALE和StartART我连在一起由单片机的P3.4控制。-The hardware part of AT89C51, MAX232, ADC0809, NF555 composition, 555 used to generate the ADC0809 CLK, now seems to be more than 300 K, the input voltage is directly applied to the ADC0809 IN0, because I only use it all the way to the ADC0809 A, B, C three I have a site directly into the ground. ADC0809 of ALE and I together StartART controlled by the MCU P3.4.
现在好像是300多K，输入电压直接加在ADC0809的IN0，因为我只用一路所以ADC0809的
A、B、C三个进址我直接接地。ADC0809的ALE和StartART我连在一起由单片机的P3.4控制。-The hardware part of AT89C51, MAX232, ADC0809, NF555 composition, 555 used to generate the ADC0809 CLK, now seems to be more than 300 K, the input voltage is directly applied to the ADC0809 IN0, because I only use it all the way to the ADC0809 A, B, C three I have a site directly into the ground. ADC0809 of ALE and I together StartART controlled by the MCU P3.4.
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0809_5.c
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