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PIC16F1825 #PIN_SELECT U1TX=PIN_A1

 
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hmmpic



Joined: 09 Mar 2010
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Location: Denmark

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PIC16F1825 #PIN_SELECT U1TX=PIN_A1
PostPosted: Mon Mar 17, 2014 9:30 am     Reply with quote
Hi

Version - 5.020

Pin selection on my 16F1825 wont work, Why?

Code:
Problem, this wont work:
//#PIN_SELECT U1TX=PIN_A1
//#PIN_SELECT U1RX=PIN_A0



This is my work around:
#byte APFCON0=getenv("SFR:APFCON0")
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Mar 17, 2014 9:36 am     Reply with quote
If I do a search for "PPS" or for "pin select" in the 16F1825 data sheet,
I don't find it. But if I do the search in, for example 18F4J11, there is
a large section on PPS. Therefore, it's not supported in the 16F1825.
Instead, the APFCON method is used.
hmmpic



Joined: 09 Mar 2010
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PostPosted: Mon Mar 17, 2014 10:47 am     Reply with quote
USP Embarassed

Is there some CCS way to configure that, or is it the way I use now?
PCM programmer



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PostPosted: Mon Mar 17, 2014 11:05 am     Reply with quote
Use #byte and #bit statements as you did, or as shown in the post below:
http://www.ccsinfo.com/forum/viewtopic.php?t=47428&start=7
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Mon Mar 17, 2014 12:04 pm     Reply with quote
Worth saying that #bit is in one sense much more friendly for this. So:
Code:

#bit RXDTSEL=getenv("BIT:RXDTSEL")
#bit TXCKSEL=getenv("BIT:TXCKSEL")

RXDTSEL=1;
TXCKSEL=1;

The compiler 'knows' about the bit names for RX, and TX in APFCON0.

Best Wishes
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