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How to resolve the contention between 2 ADC0801!!!???
I would like using two ADC0801 in order to read 2 Vol electric signal ., 2 ADC interfaces with AT89c51 by using common input..If I use an ADC, no problem, but with 2 ADC ,ADC will not working!!!! Please help me!!!
My programmer and file Proteus is below
www.MegaShare.com/512261
For a start, how do you know that you have "contention" between the two ADCs in the first place?
Does each one work independently if you remove the other from the circuit?
If this doesn't work, then you have a far more fundamental problem...
i have alredy run 1 ADC...and you can see my file here... www.mediafire.com/
if you alredy see my project,you will see clear,when i press button, chip can't read ADC cause there is not any "interrupt signal" which is sended by ADC after convert...
"Does each one work independently if you remove the other from the circuit?" i can drive ADC1 when i remove ADC2...see my first file above
thank for caring my problem..... my english is not good,download my project,and all of you can undenstand clearly...