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I would like to ask you some advice about my project cause I am an electronic fan. My professional knowledge is limited.
I am doing a project using AD of C8051F040 to sample. The input pot is AIN0.0 and AIN0.1. The voltage of reference input--VREF0 connects is 3.3V. This is the datasheet of C8051F040.
Now the AIN0.1 input can sample normally. AIN0.0 always output 3.3V. I don’t know why?When I measured them the voltage did short out.
Does everyone here meet such a situation? Could you give me some suggestions?
Thanks a lot!