[Coco] CoCo3 PIA?

jdaggett at gate.net jdaggett at gate.net
Thu Jan 4 09:39:32 EST 2007


On 3 Jan 2007 at 14:17, Robert Gault wrote:

> I don't have a data sheet for the MC68B22 but believe it is the same as
> the MC68B21 but with more robust outputs.

****************

The MC6822 has open collector outputs on port B. Other than the voltage 
operating range for the two ports they are identical. 

james



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