23 Dec
2005
23 Dec
'05
10:21 a.m.
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...