Sam4s ER-5200M Service Manual

6 Reference Information
6-4 SAM4S ER-5200 Series
6-1 Semiconductor Base Diagram
6-1-2 Memory
Figure 6-3 Flash ROM AM29F800 Specification
6-1-3 Logic ICs
Figure 6-4 74HCT08 Figure 6-5 74HC14
Figure 6-6 74HCT32
A 1
A 15
A 18
A 14
A 13
A 12
A 11
A 10
A 9
A 8
NC
NC
WE #
R ESET #
NC
NC
R
Y/BY #
A 17
A 7
A 6
A 5
A 4
A 3
A 2
1
16
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
9
10
11
12
13
14
15
A 16
D Q 2
BYTE #
V
SS
D Q 15 /A - 1
D Q 7
D Q 14
D Q 6
D Q 13
D Q 9
D Q 1
D Q 8
D Q 0
OE #
V
SS
C E #
A 0
D Q 5
D Q 12
D Q 4
V
CC
D Q 11
D Q 3
D Q 10
48
33
47
46
45
44
43
42
41
40
39
38
37
36
35
34
25
32
31
30
29
28
27
26
48 - P in TSOP — S t a nd a r d P inou t
L
L
H
H
L
H
L
H
FUNCTION TABLE
Inputs Output
AB
L
L
L
H
Y
1314 12 11 10 9 8
21 34567
V
CC
B4 A4 Y4 B3 A3 Y3
A1 B1 Y1 A2 B2 Y2 GND
1314 12 11 10 9 8
21 34567
V
CC
A6 Y6 A5 Y5 A4 Y4
A1 Y1 A2 Y2 A3 Y3 GND
L
H
FUNCTION TABLE
Inputs Outputs
A
H
L
Y
L
L
H
H
L
H
L
H
FUNCTION TABLE
Inputs Output
AB
L
H
H
H
Y
1314 12 11 10 9 8
21 34567
V
CC
B4 A4 Y4 B3 A3 Y3
A1 B1 Y1 A2 B2 Y2 GND

Sam4s ER-5200M Specifications

General

Brand	Sam4s
Model	ER-5200M
Category	Cash Register
Language	English