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PIC18F23K20 not starting up normally

 
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pebbert9



Joined: 31 Dec 2010
Posts: 39

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PIC18F23K20 not starting up normally
PostPosted: Fri Sep 16, 2011 1:01 am     Reply with quote
Hello,

I have a PIC18F23K20 hooked up to an LCD on Port A and running off the internal clock.

I can use the debugger to start the program, but when I program the chip directly, the program refuses to start on reset.

I have noticed that if I disconnect PIN_A2 ( RA2/AN2/VREF-/CVREF/C2IN+ ) AND PIN_A3 ( RA3/AN3/VREF+/C1IN+ ) from the LCD, the program starts correctly. But if either is hooked up, it won't work.

I have tried output_a(0x00); as the first line of my main, but that didn't work.

Any ideas / suggestions?

Thank you,
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