Ic Data - Marantz SR2100N1S Service Manual

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7. IC DATA

QU51:NJU6450A
BLOCK DIAGRAM
Page Address
RST
D
~D
0
7
A
0
E (RD)
R/W (RD)
PIN CONFIGURATION
75
V
SS
76
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
V
DD
RST
FR
V
5
V
3
V
2
M/S
V
4
V
1
COM
0
COM
1
COM
2
COM
3
COM
4
COM
5
COM
100
6
1
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V
V
DD
Register
I / O Buffer
Page Address Decoder
b
b
b
b
b
b
b
b
0
1
2
3
4
5
6
7
Line Decoder
Line Counter
Displey
Timing
Staet Line Register
Generator
51
SEG
20
50
SEG
21
SEG
22
SEG
23
SEG
24
SEG
25
SEG
26
SEG
27
SEG
28
SEG
29
SEG
30
SEG
31
SEG
32
NJU6450A
SEG
33
SEG
34
SEG
35
SEG
36
SEG
37
SEG
38
SEG
39
SEG
40
SEG
41
SEG
42
SEG
43
SEG
26
44
25
19
PIN FUNCTION
V
V
V
V
V
1
2
3
4
5
SS
SEG
~SEG
0
60
COM
~COM
0
15
Common
Timing
Generator
20

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