3 Dec
2003
3 Dec
'03
6:09 a.m.
I stopped by a scrap place and picked up an interesting looking board. It
has a number of AM29818 "Diagnostic Resisters" on it. I wasn't familar with
them so I looked them up on the net and found this
<http://www.national.com/pf/54/54ACT818.html> for an equivelent part. Is
there anybody here familar with these that would care to tell me what they
are in plain english?
Joe
3 Dec
3 Dec
10:07 a.m.
New subject: AM29818 pipeline register/diagnostic register/writable control store?
Joe declared on Wednesday 03 December 2003 03:09 pm:
I stopped by a scrap place and picked up an
interesting looking
board. It has a number of AM29818 "Diagnostic Resisters" on it. I
wasn't familar with them so I looked them up on the net and found
this
<http://www.national.com/pf/54/54ACT818.html> for an equivelent part.
Is there anybody here familar with these that would care to tell me
what they are in plain english?
Joe
They look to be a 8-bit register (or edge-triggered latch) that you can
'talk to' and read their input/change their latched value using a
bit-serial connection (the SDI/SDO lines).
-- Pat
PLUG Vice President -- http://plug.purdue.org
Slackware Linux -- http://slackware.com
Purdue University Research Computing -- http://www.itap.purdue.edu/rcs
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finnegpt＠purdue.edu -
rigdonj＠cfl.rr.com