LC75835W Datasheet, PDF (33/35 Pages) Sanyo Semicon Device – CMOS IC 1/3, 1/4-Duty General-Purpose LCD Display Driver

LC75835W
Sample Application Circuit 5
1/3 Duty, 1/3 Bias
(When the LCD drive bias voltage is not supplied from an external source)
(P1)
(P2)
(P16)
General-purpose
Output ports
Used for functions
such as backlight
control
+3.3V
+5V
VDD
VSS
VLCD
COM1
COM2
COM3
P1/S1
P2/S2
C≥0.047µF C C
VLCD1
VLCD2
P16/S16
S17
From the controller
INH
CE
S33
CL
*5
S34
DI
OSCI ^COM4/S35
External clock input
*5: The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected;
the clock must be input from an external source when the external clock operating mode (OC = “1”) has been
selected.
*6: Control data BC must be set to “0”.
Sample Application Circuit 6
1/3 Duty, 1/3 Bias
(When the LCD drive bias voltage is supplied from an external source)
+3.3V
VDD
VSS
+5V
100kΩ≥R≥1kΩ
C≥0.047µF
From the controller
R
R
CC R
VLCD
VLCD1
VLCD2
INH
CE
CL
DI
External clock input
COM1
COM2
COM3
P1/S1
P2/S2
P16/S16
S17
*5
OSCI
S33
S34
COM4/S35
(P1)
(P2)
(P16)
General-purpose
Output ports
Used for functions
such as backlight
control
*5: The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected;
the clock must be input from an external source when the external clock operating mode (OC = “1”) has been
selected.
*6: Control data BC must be set to “1”.
No.A0429-33/35