Memory Module Interface Diagram - HP 3000 III Series Manual

MCU/Main Memory Overview
POWER BUS
,
~
P1
SEMICON DUCTOR
MEMORY ARRAY PCA(S)
30008-60003
(1
TO 4 PCA's)
I
CPU
lOP
J1 J2 J3
DATA{ ·
~
ADDRESSING
TIMING
,
...
l
J1
J2 J3
PWR ON
...
ENTIMER
..
...
FRUN CLK IN :
MEMORY CONTROL
.. P1
& LOGG ING PCA
MCUClK
...
J
30007-60005
PF WARN ....
... FRUN ClK OUT
P2
/
~ 4~
~
Ito
~
~ ~ ~ ~
CENTRAL (CTL) DATA BUS
MCU
lOP BUS
FAULT
...LOGGING ..
P3 .... ..
P2
INTERFACE
BUS
\
,
,,
P1
FAULT lOGGING
INTERFACE PCA-
'P3
\
-Fault logging interface PCA 30009-60002 for HP32421A Series III
System Clock/FLI PCA 30135-60063 for HP32435A Series 1/1
Figure 6-4. Memory Module Interface Diagram
6-10