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Thread: 16f84 Question
www.piclist.com/techref/microchip/devices.htm?key=16F
picon face BY : wouter van ooijen & floortje hanneman email (remove spam text)



> Does any of this interfere with ISCP?  I have no basis for this question,
just
> that programming this part has given me troubles.  I don't know if they're
due
> to me always trying ISCP or the programmer.

sources of ICSP trouble:
- load on /MCLR (esp. caps), so the rise from vcc to vpp is too slow
- load on any of the involved pins (esp. caps)
- not tying LVP enable low

When you want to use an RC-reset with ICSP split the R: Vcc - 10k - C -
22k - /MCLR with a diode over the 10k.

Wouter van Ooijen

Van Ooijen Technische Informatica: http://www.voti.nl
Jal compiler for PIC uC's:  http://www.voti.nl/jal
PICs kopen? http://www.voti.nl/shop

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