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From: mun@cup.hp.com (Richard Man)
Subject: Re: Can BUFFALO I/O to external RAM?
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Date: Tue, 27 Sep 1994 19:07:52 GMT
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mark stephens (mark.stephens@gsfc.nasa.gov) wrote:
: I connected a 32kx8 SRAM to the EVBU.  I tried to use the BUFFALO command
: ASM to write and it came back with a "-rom" message.  From the manual,
: this indicates it can't read what it wrote.  The manual is not clear (or
: explicit) as to which commands work only with internal memory or external
: memory.  The 'E9 chip is in expanded mode (I peaked at the config reg.).

: If buffalo does do external RAM, I need to look at my hideous wire wraping
: job.  If buffalo don't do external RAM, any suggestions on good approaches
: to loading code?

: thanks!

: mark

There's no reason why BUFFALO can't do external IO. I use it in such a config
all the time in the NMI boards. I'm afraid you'll have to look at the
addressing circuit ;-(.
--
/o)\  // richard
\(o/  // Richard F. Man, mun@cup.hp.com
