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LC75838W Datasheet, PDF (33/36 Pages) ON Semiconductor – Duty General-Purpose LCD Driver | |||
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LC75838W
Sample Application Circuit 1
1/8 duty, 1/4 bias drive technique (for use with normal panels)
LCD panel
+5V
VDD
VSS
+8V
VLCD
OPEN
VLCD0
VLCD1
VLCD2
CCC
VLCD3
VLCD4 *2
Cï³0.047ïF
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
From
the controller
OSC
INH
CE
CL
DI
S36
S37
S38
COM10/S39
COM9/S40
P1
P2
P3
General-purpose output ports
Used with the backlight
controller or other circuit.
Note: *2. If a variable resistor is not used for display contrast fine adjustment, the VLCD4 pin must be connected to
ground.
Sample Application Circuit 2
1/8 duty, 1/4 bias drive technique (for use with large panels)
LCD panel
+5V
+8V
R
R
R
CCC R
Cï³0.047ïF
10kïï³Rï³2.2kï
VDD
VSS
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4 *2
OSC
INH
From
CE
the controller
CL
DI
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S36
S37
S38
COM10/S39
COM9/S40
P1
P2
P3
General-purpose output ports
Used with the backlight
controller or other circuit.
Note: *2. If a variable resistor is not used for display contrast fine adjustment, the VLCD4 pin must be connected to
ground.
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