Samsung 8-Bit CMOS Microcontroller, S3C9228/P9228 LCD Signal Waveforms 1/8 Duty, 1/4 Bias

S3C9228/P9228 LCD CONTROLLER/DRIVER

COM0 COM1 COM2 COM3 COM4 COM5 COM6 COM7

S S S S S

E E E E E

G G G G G 0 1 2 3 4

FR

COM0

COM1

COM2

SEG0

SEG0-COM0

0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7

1 Frame

VDD

VSS

VDD

VLC1

VLC2 (VLC3) VLC4

VSS

VDD

VLC1

VLC2 (VLC3) VLC4

VSS

VDD

VLC1

VLC2 (VLC3) VLC4

VSS

VDD

VLC1

VLC2 (VLC3) VLC4

VSS

+VDD

+1/4VLCD

0V

- 1/4VLCD

-VLCD

Figure 13-7. LCD Signal Waveforms (1/8 Duty, 1/4 Bias)

13-7