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PIC MIROCONTROLER PROBLEM

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sudhir258

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mirocontroler

I WANTED TO KNOW THAT CAN WE USE "PIC16F628" INSTEAD OF "PIC16F84A"
 

Yes , you can use , but there ara some differencies:

1. You can use internal osc. with 16f628. If you use int. osc then you'll have 2 more pins (porta.6, porta.7)

2. If you want to use porta as digital inputs , you have to set:

CMCON = 7 ;disable comparator inputs
VRCON = 0 ;disable a/d voltage reference
 

basically i am using the following pins :-
RA2, RB1, RB2, RB3, RB4, RB5, RB6, RB7, MCLR , CLK IN/OUT.
SO WHAT ARE THE CHANGES TO BE MADE.
ALSO LET ME KHOW IF THERE IS ANY SOFTWARE CHANGE to be made for pic16f628
 

and you can program it through jdm programator so as 16f84
 

but remember that u have to gnd pin no 10(PGM/RB4) via 1k resistor.other wise jdm will not progrmme that.i have faced that problem
 

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