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Re: Can't make RA1 a digital Input on (10 out of 20) 16F887.
They are both the same number.Code:%000000010 %00000010
Google RA1 Digital, and you can see the pain!
if portA are all digital inputs, what value do you get reading portA into a byte?
What happens if you do this:Code:byte = PORTA;
So that portA isn't powering an LED while A1 is being read?Code:HIGH PORTA.0 PAUSE 250 LOW PORTA.0 PAUSE 250
Last edited by Art; - 11th October 2013 at 06:25.
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Re: Can't make RA1 a digital Input on (10 out of 20) 16F887.
This is your code tweaked for a PIC16F690, and it works:
The registers a 690 does not have have been commented out. You will need a pull up on your input pin.Code:#CONFIG __CONFIG _INTRC_OSC_NOCLKOUT & _WDT_ON & _PWRTE_ON & _MCLRE_OFF & _BOR_OFF & _FCMEN_OFF & _IESO_OFF ;__config _CONFIG2, _WRT_OFF & _BOR40V #ENDCONFIG DEFINE OSC 20 ANSEL = 0 ANSELH = 0 ADCON0 = 0 ADCON1 = 0 CM1CON0 = 0 CM2CON0 = 0 CM2CON1 = 0 CCP1CON = 0 ;CCP2CON = 0 portb=0 portc=0 porta=0 TRISA = %00000010 TRISB = 0 TRISC = 0 ;TRISD = 0 ;TRISE = 0 Startup: LOW PORTA.0 PAUSE 250 HIGH PORTA.0 PAUSE 250 IF PORTA.1 = 0 THEN LOW PORTc.1 ELSE HIGH PORTc.1 ENDIF GOTO Startup
Sorry I don't have an 887 to test upon.
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