參數(shù)資料
型號: ST7920
廠商: Electronic Theatre Controls, Inc.
英文描述: ST7920
中文描述: ST7920
文件頁數(shù): 40/47頁
文件大?。?/td> 1685K
代理商: ST7920
ST7920
C2.0c
40/47
2001/10/18
應(yīng)用參考電路圖一:
LCD
32 COM x 160 SEG
LCD
電壓
VCC
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
B
Date:
File:
1-Mar-2001
D:\Buffer-2\7920V1.DDB
Sheet of
Drawn By:
V0
V1
V2
VXA
VXB
VXC
V3
V4
VSS
VDD
XRESET
CL1
CL2
VDD
M
DOUT
RS
RW
E
VSS
OSC1
OSC2
PSB
D0
D1
D2
D3
D4
D5
D6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
D
3
X
3
V
3
C
3
C
3
C
3
C
3
C
3
V
3
C
4
C
4
C
4
C
4
C
4
C
4
C
4
C
4
C
4
C
4
C
5
C
5
C
5
C
5
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5
C
5
C
5
C
5
C
5
C
5
C
6
C
6
C
6
C
6
C
6
C
6
C
6
C
6
C
6
C30
69
C31
70
C32
71
C33
72
S64
73
S63
74
S62
75
S61
76
S60
77
S59
78
S58
79
S57
80
S56
81
S55
82
S54
83
S53
84
S52
85
S51
86
S50
87
S49
88
S48
89
S47
90
S46
91
S45
92
S44
93
S43
94
S42
95
S41
96
S40
97
S39
98
S
9
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
U1
ST7920
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S88
39
S89
40
S90
41
S91
42
S92
43
S93
44
S94
45
S95
46
S96
47
S48
48
S47
49
S46
50
S45
51
S44
52
S43
53
S42
54
S41
55
S40
56
S
5
S
5
S
5
S
6
S
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S
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8
S
8
S
8
S
8
S
8
S
8
S
9
S
9
S
9
S
9
S
9
S1
V0
V2
V3
VSS
VDD
CL1
SHL1
SHL2
CL2
DL1
DR1
DL2
DR2
M
S49
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
U2
ST7921
C
1
C
2
C
3
C
4
C
5
C
6
C
7
C
8
S
9
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
2
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
3
S
4
S
4
S
4
S
4
S
4
S
4
S
4
S
4
S
4
S
4
S
5
S
5
S
5
S
5
S
5
S
5
S
5
S
5
S
5
S
5
S
6
S
6
S
6
S
6
S
6
S
6
S
6
S
6
S
6
S
6
S
7
S
7
S
7
S
7
S
7
S
7
S
7
S
7
S
7
S
7
S
8
S
8
S
8
S
8
S
8
S
8
S
8
S
8
S
8
C
8
C
9
C
9
C
9
C
9
C
9
C
9
C
9
C
9
C
9
C
9
C
1
C
1
C
1
C
1
C
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
C
1
C
1
C
1
C
1
C
1
C
1
C
1
C
1
L1
WDG1603P
C1
104
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
JP1
HEADER 16
1
2
JA
CON2
1
2
JK
CON2
1
2
3
J1
CON3
R1
4.7K
R2
4.7K
R3
2.2K
R4
4.7K
R5
4.7K
R6
33K
R7
2K
R9
33
R8
33
VCC
VCC
VCC
VCC
1
2
JP2
HEADER 2
VCC
VCC
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C30
C31
C32
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
S62
S63
S64
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S65
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S104
S105
S106
S107
S108
S109
S110
S111
S112
S160
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S152
S153
S154
S155
S156
S157
S158
S159
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
Paul Yung
1
1
1.2
Sitronix
ST7920 LCM
R10
10K
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