Yamaha Portatone PSR-540 Servis Kılavuzu - Sayfa 5
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KS0066U-10B(XV226A00) LCD DRIVER
PIN
NAME
I/O
FUNCTION
NO.
1
S22
O
2
S21
O
3
S20
O
4
S19
O
5
S18
O
6
S17
O
7
S16
O
8
S15
O
9
S14
O
10
S13
O
11
S12
O
Segment signal output for LCD
12
S11
O
driving
13
S10
O
14
S9
O
15
S8
O
16
S7
O
17
S6
O
18
S5
O
19
S4
O
20
S3
O
21
S2
O
22
S1
O
23
Vss
Ground
24
OSC1
I
Oscillator
25
OSC2
O
Oscillator
26
V1
27
V2
28
V3
Power supply
29
V4
30
V5
31
CLK1
O
Data latch clock
32
CLK2
O
Data shift clock
33
Vdd
Power supply (+5V)
34
M
O
Altem ated signal for LCD d river o utput
35
D
O
Display data interface
36
RS
I
37
R/W
I
Read / write
38
E
I
Enable
39
DB0
I/O
Data interface
40
DB1
I/O
Data interface
(PN IC100)
PIN
NAME
I/O
FUNCTION
NO.
41
DB2
I/O
42
DB3
I/O
43
DB4
I/O
Data interface
44
DB5
I/O
45
DB6
I/O
46
DB7
I/O
47
C1
O
48
C2
O
49
C3
O
50
C4
O
51
C5
O
52
C6
O
53
C7
O
54
C8
O
Common signal output for LCD
55
C9
O
driving
56
C10
O
57
C11
O
58
C12
O
59
C13
O
60
C14
O
61
C15
O
62
C16
O
63
S40
O
64
S39
O
65
S38
O
66
S37
O
67
S36
O
68
S35
O
69
S34
O
70
S33
O
71
S32
O
Segment signal output for LCD
72
S31
O
driving
73
S30
O
74
S29
O
75
S28
O
76
S27
O
77
S26
O
78
S25
O
79
S24
O
80
S23
O
PSR-540
11