Seeking... TI TMS9902 ICs

jwsmobile jws at
Fri Jan 2 22:25:17 CST 2015

On 1/2/2015 2:53 PM, Sean Caron wrote:
> Hi all,
> I'm looking to pick up a few TI TMS9902 ICs... this is an asynchronous
> communications chip for TMS9900 based systems. I'm considering the
> architecture for my next retro-SBC as I get closer to wrapping up my 6502
> SBC, so, trying to put all the pieces together. Willing to pay a fair price.
> Thanks!
> Sean
We used the 9902 with a 9995 for a 16 port async controller.  It is a 
very nice chip.  I'll hunt around and see if I can find our firmware for 
that system anywhere.


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