7201 (was Re: Z8530 (was Re: Navtel 9460 Protocol Analyzer info?))

[Ethan Dicks]

On 4/16/05, Scott Stevens <chenmel at earthlink.net> wrote:
> You might want to check out the 6402.  I have a bunch of them from some
> syncronous modems I scrapped a few decades back.  It has the distinction
> of being from the same family as the 6100 'PDP-8 on a chip' micro, and
> is fairly bare-bones.  It has several simple registers, but much of the
> config is done with hardware by enabling pins and what-not.

I have used them in the context of the FDC6120.  ISTR they share a
mode with the RCA 1854 that was common on 1802s.  I think _all_ the
setup is by grounding/pullingup pins.  Handy for designs that need to
have serial up and running right away, before there's time to
initialize in software.

-ethan