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7-3.
ROM: LSI4 (
PD23C1001EAGZ)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin No.
1~5,12,13,16~24,39
25,28,29,31~33,36,37
6,15,26,35
7,14,27,34
8
9~11
30
38
40
A11
A9
A8
A13
A14
NC
NC
DC
DC/PGM_
VCC
NC/VPP
A16
A15
NC
NC
A12
A7
A6
A5
A4
Name
A0~16
D0~7
NC
NC
DC
DC/PGM_,VCC,NC/VPP
GND
CEB
OEB
—
—
22
40
OEB
39
A10
38
CEB
37
D7
36
D6
35
NC
34
NC
33
D5
32
D4
31
D3
30
GND
29
D2
28
D1
27
NC
26
NC
25
D0
24
A0
23
A1
22
A2
21
A3
I/O
Description
In
Address bus
I/O
Data bus
In
0 V
-
Not used
In
0 V
In
Power supply terminal (+5.3 V)
In
GND 0 V
In
Chip enable signal from LSI1
In
0 V
- Quick Links:
- Resetting the Unit
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