Lpc2000

Hello, Leon.

> It sounds as if the MAX3232 has failed, it shouldn't take anything like that
> amount of current and shouldn't be warm. Many years ago I had quite frequent
> failures of the earlier version of this type of chip, caused by connecting
> the host machine to my board whilst the host was powered up. The current
> chips have ESD protection and seem a lot more robust.

Are you talking about the difference between the MAX3232 and MAX3232E kind of
difference?

> Check the voltages on the charge pump capacitors, if they are wrong (IIRC
> they should be about +/- 5V and +/- 12V) it won't work. Make sure you
> haven't got any shorts. Have you tried a new chip?

They are off. They're more like 2.7V and 5.5V and -5.1V.

I'll try a new chip next.  If this were socketed, I could replace it more
easily. ;)

Cheers,
David