LC75814V Datasheet, PDF (12/14 Pages) Sanyo Semicon Device – 1/4 Duty General-Purpose LCD Driver

LC75814V
Sample Application Circuit 1
1/2 Bias (for use with normal panels)
+3V
+5V
From the
microcontroller
C ≥ 0.047 µF C
VDD
VSS
VLCD
VLCD1
VLCD2
INH
CE
CL
DI
OSC
*2
COM1
COM2
COM3
COM4
P1 / S1
P2 / S2
P3 / S3
P4 / S4
S5
S14
S15
S16
(P1) _{General-purpose}
(P2)
output ports
(P3) Used for functions
such as backlight
(P4) _control
ILC00279
Note: *2 When a capacitor except the recommended external capacitance (C_OSC = 680 pF) is connected the OSC pin, we recommend that applications
connect the OSC pin with a capacitor in the range 220 to 2200pF.
Sample Application Circuit 2
1/2 Bias (for use with large panels)
+3V
+5V
10 kΩ ≥ R ≥ 1 kΩ
C ≥ 0.047 µF
R
C
R
VDD
VSS
VLCD
VLCD1
VLCD2
OSC
*2
COM1
COM2
COM3
COM4
P1 / S1
P2 / S2
P3 / S3
P4 / S4
S5
(P1) _{General-purpose}
(P2)
output ports
(P3) Used for functions
such as backlight
(P4) _control
From the
microcontroller
INH
CE
S14
CL
S15
DI
S16
ILC00280
Note: *2 When a capacitor except the recommended external capacitance (C_OSC = 680 pF) is connected the OSC pin, we recommend that applications
connect the OSC pin with a capacitor in the range 220 to 2200pF.
No. 6792-12/14