Unlikely in the extreme. USB mastering circuitry is very non-trivial, and the software is worse. There aren't, to my knowledge, any 'cheap' microcontrollers that implement USB master services. The MPC823 is a PPC chip, and requires quite a lot of support hardware. Most of the other such chips are similarly complex/expensive. A 16C77 is only a few dollars, and includes pretty much everything that is needed bar power-switching and preamps, etc, for the thing I have in mind. If I start looking into producing a PPC based system with USB mastering, etc, I'll end up redesigning the empegCAR main board again, which would take even longer and cost as much. Not really useful. Sorry.

Patrick.

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Experience is what you get just after it would have helped...