From: "Spehro Pefhany" <speff@interlog.com>
> If you're looking at it on a 20MHz  or better oscilloscope and the signal
> is going cleanly from 0V to ~1V with nothing connected to it, then you've
> hosed the output.
>
> If you're reading the average voltage on a DVM, it could be just about
> anything. If you don't have any better tools and the chip is soldered in,
> reprogram it to set the port high and read the voltages. If you've got a
> socket, swap chips with a known-good chip.
>

Sorry, I should've said. I'm looking at it with a 100MHz oscope, and the 
chip (PLCC package) is soldered to the board. I don't have a desoldering 
tool for this type of chip, so removing it from the board I believe will be 
very difficult. I have lots of spare ports, maybe I could cut the trace that 
is connected to the damaged port and re-wire it to another pin using hookup 
wire?

Cheers

Padu 

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