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REV.-A
",-
SED1320
1. Location: MAPLE Board, 7C
2. Pin Assignments
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Table 7-15 SED1120 Pin Assignments
Pin No.
Signal Name
In/Out
Function
1
RS
In
System reset signal: provided from GAH40D;
initializes internal
registers.
- -
2
SINT
Out
System interrupt request: causes an inter-
rupt to slave CPU 6303 via GAH40S.
- -
SINT becomes low when command is
set in PDIR register by main CPU.
- -
SINT becomes high when the slave
CPU reads CSR register.
- -
3
SCS
In
System chip select and V-RAM select signal
- -
4
SCS1
In
System chip select: Register select signal in
SED1320.
5
SE
In
System enable: Pulse at 1.63 /-lsec interval
6
SAS
In
System address strobe: Latches low-order
address at power
fall.
-
7
R/W
In
System read/write signal
7-52
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