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weak pull-ups

 
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meereck



Joined: 09 Nov 2006
Posts: 173

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weak pull-ups
PostPosted: Mon Nov 19, 2007 4:16 pm     Reply with quote
Hello all CCS fans,
is the expression "weak pull-up" the same as "internal pull-up" resistors of the portB? Otherwise, can anyone explain it to me, please?
cheers, meereck
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Mon Nov 19, 2007 4:19 pm     Reply with quote
Yes, here is a statement from the 16F877 data sheet:
Quote:

PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
meereck



Joined: 09 Nov 2006
Posts: 173

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PostPosted: Tue Nov 20, 2007 5:21 am     Reply with quote
thanks, Mr. Programmer
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