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'16F628'
2002\11\05@103849 by Sid Weaver

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I've been thinking about switching to the 16F628 in place of the old
dependable 16F84A.  I've read the data sheet, but naturally, most of it is
over my head.

Question:  How do I set Port A for all digital I/O ?

Thanks

Sid Weaver
W4EKQ
Port Richey, FL

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2002\11\05@115633 by Byron A Jeff

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On Tue, Nov 05, 2002 at 10:37:11AM -0500, Sid Weaver wrote:
> I've been thinking about switching to the 16F628 in place of the old
> dependable 16F84A.  I've read the data sheet, but naturally, most of it is
> over my head.
>
> Question:  How do I set Port A for all digital I/O ?

Stick a 7 in the CMCON register.

Don McKenzie of DonTronics has a page describing the relevant changes:

http://www.dontronics.com/cat_hard_micro_pic.html#628spec

BAJ

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2002\11\05@140042 by Wouter van Ooijen

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> Question:  How do I set Port A for all digital I/O ?

Read http://www.voti.nl/swp for this and some more notes on 16x84 ->
16f628.

Wouter van Ooijen

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2002\11\05@143035 by Mike Singer

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Sid Weaver wrote:
> I've been thinking about switching to the 16F628 in
> place of the old dependable 16F84A.

  Consider switching to the 18F242 and later to 18F1220.

Mike.

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2002\11\06@080927 by Marco Genovesi

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Mike, seems to me that '628 and 18Fxx  have a different use...
The '628 is more similar to the '84 (and also the price/size is different
from18Fxx series). 2Kbyte program space is the double than 84's memory and I
think that many "enhancenments" to the code may be made. I have ported the
code of my datalogger from '84 in '628 and it works fine, with only little
changes due to the structural difference (however, I'm sure that 18F242 is a
good chip).

regards
Marco

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