Epson PF10 problems
Dave Dunfield
dave04a at dunfield.com
Fri Dec 23 12:21:15 CST 2005
> > I'd have to look at it to be certain (haven't had to write anything for it
> > in a long time), but I'm pretty certain I used a 6402 - but you could use
> > any of the "hardare programmable" uarts (AY-5-1013, COM2502 etc.) - You
> > don't NEED to use a "hardware programmable" uart, but doing so means that
> > the only thing you need to write is the data register. And with this setup,
> > "writes" are best kept to a minimum :-)
>
> Yeah, and it sure simplifies things when you don't need all that extra
> "stuff" that the programmable ones give you. I should get a hold of a couple
> of those chpis one of these days. Is that 6402 a single-supply part? I
> guess I need to fetch a few more datasheets...
IIRC the 6402 (Hitachi) is an updated CMOS AY-5-1013 (which are very common).
Dave
--
dave04a (at) Dave Dunfield
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