LC75843UGA Datasheet, PDF (32/35 Pages) ON Semiconductor – Duty General-Purpose LCD Driver

LC75843UGA
OSCI pin Peripheral Circuit
(1) Internal oscillator operating mode (Control data OC =“0”)
Connect OSCI pin to GND if internal oscillator operating mode is selected.
OSCI
(2) External clock operating mode (Control data OC =“1”)
Input the external clock to OSCI pin if external clock operating mode is selected.
External clock output pin
External oscillator
OSCI
P1 to P4 pin Peripheral Circuit
It is recommended the circuit shown below be used to adjust the brightness of the LED backlight using the PWM output
P1 to P4
+5V
LED
P1 to P4
No.A2226-32/35