LC75835W Datasheet, PDF (34/35 Pages) Sanyo Semicon Device – CMOS IC 1/3, 1/4-Duty General-Purpose LCD Display Driver

LC75835W
Sample Application Circuit 7
1/3 Duty, 1/2 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
From the controller
VDD
VSS
C≥0.047µF
C
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
*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 8
1/3 Duty, 1/2 Bias
(When the LCD drive bias voltage is supplied from an external source)
+3.3V
+5V
100kΩ≥R≥1kΩ
C≥0.047µF
R
CR
VDD
VSS
VLCD
VLCD1
VLCD2
COM1
COM2
COM3
P1/S1
P2/S2
P16/S16
S17
(P1)
(P2)
(P16)
General-purpose
Output ports
Used for functions
such as backlight
control
From the controller
INH
CE
CL
DI
External clock input
*5
OSCI
S33
S34
COM4/S35
*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.A0429-34/35