
E2B0014-27-Y2
¡ Semiconductor MSM9004-01/02
¡ Semiconductor
This version: Nov. 1997
Previous version: Mar. 1996
MSM9004-01/02
1/3, 1/4 DUTY LCD DRIVER WITH 4-DOT COMMON DRIVER AND 49-DOT SEGMENT DRIVER
GENERAL DESCRIPTION
The MSM 9004-01/02 is an LCD driver for dynamic display with a 1/3 or 1/4 duty select function.
When the 1/3 duty is selected, it can display up to 147 segments, and when the 1/4 duty is
selected, up to 196 segments.
FEATURES
• Logic power supply voltage (V
• LCD drive power supply voltage (V
• Serial transfer clock frequency : 2 MHz max.
• LCD output resistance
Common driver : 20 kW
Segment driver : 60 kW
• Display duty : 1/3, 1/4 selectable
• LCD segment output : 49
• Maximum number of display segments
For 1/3 duty : 147 segments max.
For 1/4 duty : 196 segments max.
• Display blanking terminal attached
• Operating temperature range : –40 to +85˚C
• Interface with microcontroller
MSM9004-01 : LOAD, DATA, CLOCK1, CLOCK2
MSM9004-02 : LOAD, DATA, CLOCK2
• System clock
MSM9004-01 : external input
MSM9004-02 : internal oscillation circuit (external resistor
• Package:
64-pin plastic QFP (QFP64-P-1414-0.80-BK) (Product name : MSM9004-01GS-BK)
• Comparison of device codes and functions
) : 5.0 V ± 10%
DD
) : 3.7 V to 5.5 V
LCD
and capacitor required)
(Product name : MSM9004-02GS-BK)
Function
Device code
MSM9004-01
MSM9004-02
MSM9004-03
MSM9004-04
LCD segment
output
50 49
—
—
—
—
Duty
1/3 1/4 External input
—
—
System clock
—
—
Internal oscillation
circuit
—
—
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¡ Semiconductor MSM9004-01/02
BLOCK DIAGRAM
MSM9004-01
SEG49SEG1
V
DD
V
BLANK
49-DOT SEGMENT DRIVER
LC1
V
LC2
V
LC3
3/4SEL
CLOCK1
LOAD
CLOCK2
DATA
TIMING
GENERATOR
49-BIT
DATA LATCH 1
CONTROL
LOGIC
49-BIT DATA SELECTOR
49-BIT
DATA LATCH 2
49-BIT
DATA LATCH 3
49-BIT SHIFT REGISTER
COMMON
DRIVER
49-BIT
DATA LATCH 4
COM1
COM2
COM3
COM4
V
DD
V
SS
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¡ Semiconductor MSM9004-01/02
BLOCK DIAGRAM
MSM9004-02
SEG49SEG1
V
DD
V
BLANK
49-DOT SEGMENT DRIVER
LC1
V
LC2
V
LC3
3/4SEL
OSC
LOAD
CLOCK2
DATA
TIMING
GENERATOR
49-BIT
DATA LATCH 1
OSCILLATOR
CONTROL
LOGIC
49-BIT DATA SELECTOR
49-BIT
DATA LATCH 2
49-BIT
DATA LATCH 3
49-BIT SHIFT REGISTER
COMMON
DRIVER
49-BIT
DATA LATCH 4
COM1
COM2
COM3
COM4
V
DD
V
SS
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¡ Semiconductor MSM9004-01/02
MSM9004-01
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
10
11
12SEG12
13SEG13
14SEG14
15SEG15
16SEG16
COM4
COM3
COM2
64
63
62
1
2
3
4
5
6
7
8
9
LC1VLC2VLC3VSS
COM1
V
61
60
59
58
57
CLOCK1
VDD3/4SEL
56
55
54
53 LOAD
52 DATA
51 CLOCK2
50 BLANK
49 SEG49
48
47
46
45
44
43
42
41
40
39
38
37 SEG37
36 SEG36
35 SEG35
34 SEG34
33 SEG33
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
17
18
SEG17
SEG18
19
20
SEG19
SEG20
21
22
23
24
25
SEG21
SEG22
SEG23
SEG24
SEG25
64-Pin Plastic QFP
26
27
SEG26
SEG27
28SEG28
29SEG29
30SEG30
31SEG31
32SEG32
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¡ Semiconductor MSM9004-01/02
PIN CONFIGURATION (TOP VIEW)
MSM9004-02
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
1
2
3
4
5
6
7
8
9
10
11
12SEG12
13SEG13
14SEG14
15SEG15
16SEG16
COM4
COM3
64
63
COM2
COM1
62
61
LC1VLC2VLC3VSS
V
60
59
58
57
OSC
VDD3/4SEL
56
55
54
53 LOAD
52 DATA
51 CLOCK2
50 BLANK
49 SEG49
48
47
46
45
44
43
42
41
40
39
38
37 SEG37
36 SEG36
35 SEG35
34 SEG34
33 SEG33
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
17
18
SEG17
SEG18
19
20
SEG19
SEG20
21
22
23
24
25
SEG21
SEG22
SEG23
SEG24
SEG25
64-Pin Plastic QFP
26
27
SEG26
SEG27
28SEG28
29SEG29
30SEG30
31SEG31
32SEG32
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