On Aug 27, 2005, at 7:59 AM, Peter van Hoof wrote:
>
> Is a USB to RS232 chip basically what a ICD2/ ICD2 clone have onboard 
> of does microchips's version have something special?
>
The USB ICD2 doesn't need an external power supply, although it
comes with dire warnings about not being able to power the target
board due to USB limits on current.  I need to investigate that;
it seems to me that even the "low current" mode of USB  (100mA?)
ought to be able to power quite a bit of user circuit in addition
to the ICD2 itself...  (In particular, I bought one of the universal
ISP->socket adaptors so I can use the ICD2 as a simple programmer,
and I'm hoping that won't require a separate power supply!)

BillW

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