Epson PX-8 Technical Manual page 284

REV.-A
GAH40D
1. Location: MAPLE Board, 6A
2. Pin Assignment
Table 7-5 GAH40D Pin Assignments
Pin No. Signal Name In/Out Function
1
N/C
-
Not used.
2
N/C
-
Not used.
3
AB12
In
Address bus 12
4 N/C
-
Not used.
5 AB6 In Address bus 6
6
AB13 In
Address bus 13
7 AB5 In Address bus 5
- -
8 RST In Reset input from sub-CPU 7508. Whole reset
- -
signal RSQ is generated from this signal.
9 DRA2 Out DRAM address 2 (10)
10 ORA 1 Out DRAM address 1 (9)
11 AB14
In Address bus 14
12 G
-
Ground
7-13