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PICList Thread
'16C71 ADCs'
1998\01\26@022243 by Mike

picon face
Hello,

I have been developing my latest PIC project on a 16C84, but the PIC that
will
actually be used is a 16C71, but without the ADCs.

The code is working on the C84, but port A doesn't work properly on the
C71.

I have turned off the ADC by clearing ADCON1. Is there anything else I need
to do?


Thanks for your help (again),


Michael

1998\01\26@025433 by Andrew Warren

face
flavicon
face
Mike <spam_OUTPICLISTTakeThisOuTspamMITVMA.MIT.EDU> wrote:

> port A doesn't work properly on the C71.
>
> I have turned off the ADC by clearing ADCON1. Is there anything else
> I need to do?

Michael:

Read the data book again... To configure the RA0-RA3 pins as digital
inputs, you must write a "3" to ADCON1.

-Andy

=== Andrew Warren - .....fastfwdKILLspamspam@spam@ix.netcom.com
=== Fast Forward Engineering - Vista, California
=== http://www.geocities.com/SiliconValley/2499

1998\01\26@075417 by WF AUTOMACAO

flavicon
face
Mike wrote:
>
> Hello,
>
> I have been developing my latest PIC project on a 16C84, but the PIC that
> will
> actually be used is a 16C71, but without the ADCs.
>
> The code is working on the C84, but port A doesn't work properly on the
> C71.
>
> I have turned off the ADC by clearing ADCON1. Is there anything else I need
> to do?
>
> Thanks for your help (again),
>
> Michael

OHHH may god, don't tell me this! I will implement a project that will
need a pic1671, but first, i implement it in a PIC16f84.

Miguel.

1998\01\28@204752 by andre

flavicon
face
Mike wrote:

> Hello,
>
> I have been developing my latest PIC project on a 16C84, but the PIC that
> will
> actually be used is a 16C71, but without the ADCs.
>
> The code is working on the C84, but port A doesn't work properly on the
> C71.
>
> I have turned off the ADC by clearing ADCON1. Is there anything else I need
> to do?
>
> Thanks for your help (again),
>
> Michael



For ports do you use

this method

       BSF    STATUS,RP0
       MOVLW    B'XXXXXXXX'
       MOVWF    PORTA
       MOVWF    PORTB
       BCF    STATUS,RP0


or   this method

       CLRF    PORTA
       CLRF    PORTB
       MOVLW    B'XXXXXXX'
       TRIS    PORTA
       TRIS    PORTB

Since 16c84 works with using 2 Th. method if you are using 2th method
this is the problem other wise send me the code I will try to make it work for
you.
I have picmaster probe for 71.

Andre






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