Has anyone ever managed to program a PIC on a breadboard
with an ICD2?  All I want to do is program, and I'm having a
world of trouble.  Sometimes I can get it to do the config
bits, but usually nothing at all (chokes on verify).  It'll erase,
but won't blank check, read, or anything else, but it does
correctly identify the PIC in place.

The signals all look good; I have all of the power and ground
pins connected in all places.  The PGC line looks like a clock,
PGD looks like data and I'm not doing LVP.

I'm running the circuit at 3.15 volts, and that voltage is quite
stable.  The PIC is an 18LF2320, but I'm only trying to go
4 MHz and programming should work even without an active
oscillator.

I've tried a small resistance in series with the PGC and PGD
lines, but that doesn't help.  I am using a short (~6 cm)
jumper with the 6-pin RJ-11 on one end and a SIL
connector on the other.

My next step is going to be connecting the ground from the
RS-232 jack to my circuit, to try to reduce the ground trace
impedance.  Anyone have any other ideas?

Mike H.

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