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PIC 16F 877A setting input
Posted:
Sat Dec 03, 2011 8:11 pmby stanley1925
I having a problem which when i want to use PIC16F877A's RA0 or RA1 as input, but it failed, i tried using Proteus to simulate also failed. Does any body how can solve this problem? Thx u ^^
Re: PIC 16F 877A setting input
Posted:
Sat Dec 03, 2011 9:04 pmby ABSF
I think RA0 and RA1 are default to analog and you must be using them as digital inputs.
You have to set them manually to digital at ADCON1/PCFG3:PCFG0 to "011x" for it to work. See the datasheet for more info on the ADC section.
Allen
Re: PIC 16F 877A setting input
Posted:
Sun Dec 04, 2011 4:28 pmby stanley1925
Yes, solved my problem, thx u ^^