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I am using the Philips PXAG49 (16 bit 8051 equivalent) in a design. The CPU contains internal FLASH and a boot loader; which provides a means to update CODE via a serial interface. It seems that after some use these CPUs no longer want to boot into the loader, and can no longer be programmed in curc...

I am looking for a dead Radio Shack PRO-93 or PRO-95 to be used for parts. If you have such a unit (or perhaps some parts), let me know what is wrong with the unit you have (so I don't just buy more of the same bad parts) and how much you'd like for it.

Thanks,
George

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