NEC PD75402A User Manual page 18

4-bit single-chip microcomputer
Table of Contents

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(2) PROM mode
CHAPTER 1. GENERAL
1
28
V
PP
2
A12
27
3
A7
26
4
A6
25
5
A5
24
6
A4
23
7
22
A3
8
21
A2
9
A1
20
10
A0
19
11
O0
18
12
O1
17
13
O2
16
14
V
15
SS
A0 to A14
: Address input
O0 to O7
: Data input/output
CE
: Chip enable input
OE
: Output enable input
V
: Power supply
DD
V
: Program power supply
PP
V
: Ground
SS
V
DD
A14
A13
A8
A9
A11
OE
A10
CE
O7
O6
O5
O4
O3
7

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