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Author Message
  Topic: odd behaviour 16f88 and adc
Nicolas

Replies: 4
Views: 5168

PostForum: General CCS C Discussion   Posted: Mon Apr 30, 2007 12:07 am   Subject: odd behaviour 16f88 and adc
So i narrowed it down to the RS232 converter i was using.

The converter was not properly controlling the RCV line on the PC and was feeding a -12v to the pic, oviously because of the MUX on the AN ...
  Topic: odd behaviour 16f88 and adc
Nicolas

Replies: 4
Views: 5168

PostForum: General CCS C Discussion   Posted: Sun Apr 29, 2007 11:43 pm   Subject: odd behaviour 16f88 and adc
I moved the Serial lines, from B7/B6 to B4/B5
and used internal OSC.

It works 100% now.

New (works properly)

#use rs232(baud=4800, xmit=PIN_B4, rcv=PIN_B5,invert) //For testing
...
  Topic: odd behaviour 16f88 and adc
Nicolas

Replies: 4
Views: 5168

PostForum: General CCS C Discussion   Posted: Sun Apr 29, 2007 11:35 pm   Subject: odd behaviour 16f88 and adc
Thanks for the incredibly fast response.

Tried variouse different ADC_CLOCK's and still the same problem.
No change at all, which is somewhat strange.

Mind you that was using the Internal oscil ...
  Topic: odd behaviour 16f88 and adc
Nicolas

Replies: 4
Views: 5168

PostForum: General CCS C Discussion   Posted: Sun Apr 29, 2007 10:10 pm   Subject: odd behaviour 16f88 and adc
Odd behaviour with a 16f88 and using the built in adc.
For testing, just reading an AN1 and putting out the value to the pc via serial port. Using the internal rc (8mhz)

When I connect VDD to AN1, ...
 
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