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i/o operation

 
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shirish



Joined: 16 Dec 2008
Posts: 2

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i/o operation
PostPosted: Tue Dec 16, 2008 8:26 am     Reply with quote
I am using PIC16f684. I have used following:
Quote:
PORTA.0--led1
PORTA.1--led2
PORTA.5--relay1
PORTA.4--relay2

Problem is when I operate Relay1 using output_high(rel_1), led1 & led2 get automatically on.
So how can change in one PORT pin affect the other pin of same PORT ?
drh



Joined: 12 Jul 2004
Posts: 192
Location: Hemet, California USA

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PostPosted: Tue Dec 16, 2008 9:07 am     Reply with quote
Have you disabled the analog inputs and comparator? It's all in the data sheet.
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David
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