[Color Computer] [Coco] Re: CoCo USB

[James Diffendaffer]

> The thing that seems to bother me about it is that basicly its flow of 
> data is many times faster than the coco can gobble it up.  That means 
> there must be a buffer in this kit that can hold at least 1 usb 
> packet, and some means to throttle the source until the coco has put
> that packet away someplace. And all of that handshaking must operate 
> at the usb chipsets native speed.

Please take a look at the docs for this chip and projects that have
used it.  This chip has been used with the 68HC11, PIC, 6502 (Atari
800), etc.  It was designed to interface small CPUs and
microcontrollers with USB.  It has an on board buffer and internal CPU
to handle much of the USB protocol.






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