On 24/09/10 14:46, Oli Glaser wrote:
>> It seems the other PIC may not have been faulty after all...
>
>> I've just replaced the chip that I thought the ICD2 blew up, and I'm
>> still getting a device ID of zero in the MPLAB IDE. I've checked....
>
> So maybe it actually survived, I guess we won't know unless he tries it a=
nd
> reports back though..

The actual fault was a duff through-hole via (or possibly bad soldering=20
on the ICSP connector). Pressing down on the board with a scope or=20
multimeter probe provided enough force to close the connection. Remove=20
the probe and the connection went hi-Z.

As for the "faulty" chip I removed -- I put that on a new PCB, and=20
soldered down the basic support components (xtal, power filtering caps,=20
etc.) and hooked up the ICSP... "Device detected: PIC18F45J50 Rev 0x3".

I'm still pretty sure the first one I killed is well and truly dead.=20
Getting the chip out by 90 degrees anticlockwise puts 3.3V on VCORE.=20
That chip ran REALLY REALLY HOT for the duration of its very short life...

Anyway, I've got Quartus and ModelSim running on my laptop. Now for=20
Xilinx ISE, VirtualBox, Windows 2000 and MPLAB, JAL and C18. Then I get=20
to write some automated test code...

--=20
Phil.
piclist@philpem.me.uk
http://www.philpem.me.uk/
--=20
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