LC75814V Datasheet, PDF (13/14 Pages) Sanyo Semicon Device – 1/4 Duty General-Purpose LCD Driver

Sample Application Circuit 3
1/3 Bias (for use with normal panels)
LC75814V
+3V
+5V
C ≥ 0.047µF C
C
From the
microcontroller
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
ILC00281
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 4
1/3 Bias (for use with large panels)
+3V
+5V
10 kΩ ≥ R ≥ 1 kΩ
C ≥ 0.047 µF
R
R
C
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
ILC00282
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. 6792-13/14