LC75843UGA Datasheet, PDF (33/35 Pages) ON Semiconductor – Duty General-Purpose LCD Driver

Sample Applications Circuit 1
1/4 Duty, 1/3 Bias
LC75843UGA
+5V
External clock input
From the
controller
VDD
VSS
OSCI *3
INH
CE
*2
CL
DI
COM1
S27/COM2
S26/COM3
S25/COM4
P1/S1
P2/S2
P3/S3
P4/S4
S5
S23
S24
S28
(P1)
General-purpose
output ports
(P2)
Used for functions
(P3) such as backlight
(P4) ^control
*2. The pins to be connected to the controller (CE, CL, DI, INH) can handle 3.3V or 5V.
*3. External clock input pin OSCI is supported 3.3V or 5V. Connect to GND at internal oscillator operating
mode, and input the external clock to OSCI pin at external clock operating mode.
(See “OSCI pin peripheral circuit”)
Sample Application Circuit 2
1/3 Duty, 1/3 Bias
+5V
External clock input
From the
controller
VDD
VSS
OSCI *3
INH
CE
*2
CL
DI
COM1
S27/COM2
S26/COM3
P1/S1
P2/S2
P3/S3
P4/S4
S5
S23
S24
COM4/S25
S28
General-purpose
(P1) _{output ports}
(P2)
Used for functions
(P3) such as backlight
(P4) ^control
*2. The pins to be connected to the controller (CE, CL, DI, INH) can handle 3.3V or 5V.
*3. External clock input pin OSCI is supported 3.3V or 5V. Connect to GND at internal oscillator operating
mode, and input the external clock to OSCI pin at external clock operating mode.
(See “OSCI pin peripheral circuit”)
No.A2226-33/35