Casio TE-3000S Service Manual

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5-10. FROM (IC24: MBM29F160BE90TN)
5-10-1. Pin Assignment
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
BYTE
VSS
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE
VSS
CE
A0
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A15 A16
A14
A13
A12
A11
A10
A9
A8
A19
N.C.
WE
RESET
N.C.
WP
RY/BY
A18
A17
A7
A6
A5
A4
A3
A2
A1
5-10-2. Block Diagram
5-10-3. Pin Function
A -1
V SS
V CC
WE
CE
A
0 to A 18
OE
DQ
0 to DQ 15
BYTE
RESET
STB
STB
Erase Voltage
Generator
State
Control
Command
Register
Program Voltage
Generator
Input/Output
Buffers
Data Latch
Chip Enable
Output Enable
Logic
Low V
CC Detector
Timer for
Program/Erase
Address
Latch
Y-Decoder
X-Decoder
Y-Gating
Cell Matrix
RY/BY
RY/BY
Buffer
Pin Function
A
-1 , A 0 to A 19 Address Inputs
DQ
0 to DQ 15 Data Inputs/Outputs
CE Chip Enable
OE Output Enable
WE Write Enable
RY/BY Ready/Busy Output
RESET Hardware Reset Pin/Temporary Sector Unprotection
BYTE Selects 8-bit or 16-bit mode
N.C. No Internal Connection
V
SS Device Ground
V
CC Device Power Supply

Casio TE-3000S Specifications

General

Brand	Casio
Model	TE-3000S
Category	Cash Register
Language	English