Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual LCD Circuit Diagram

LCD CONTROLLER/DRIVER S3C9228/P9228

LCD CIRCUIT DIAGRAM

Data BUS

Port		16
Latch
Display	160		16
RAM		MUX
(Page1)
			4
LPOT		fLCD
		Timing
		Controller
Port		8
Latch
LMOD
Port		2
Latch

SEG15/P5.3

SEG

Control

or

Selector

SEG0/P2.1

COM	COM7/SEG16/P5.4
Control
or
selector	COM4/SEG19/P5.7
COM	COM3/P6.0
Control	COM0/P6.3

LCD

Voltage

Control

Port 3	P3.1/INTP/SEG2
Control	P3.0/INTP/SEG3

Figure 13-2. LCD Circuit Diagram

13-2