LCD CONTROLLER/DRIVER S3C8245/P8245/C8249/P8249
14-6
Table 14-4. LCD Mode Control Register (LMOD) Organization, D1H
LMOD.7 Always logic zero.
LMOD.6 Always logic zero.
LMOD.5 LMOD.4 LCD Clock (LCDCK) Frequency
0 0 32.768 kHz watch timer clock (fw)/29 = 64 Hz
0 1 32.768 kHz watch timer clock (fw)/28 = 128 Hz
1 0 32.768 kHz watch timer clock (fw)/27 = 256 Hz
1 1 32.768 kHz watch timer clock (fw)/26 = 512 Hz
LMOD.3 LMOD.2 LMOD.1 LMOD.0 Duty and Bias Selection for LCD Display
0xxxLCD display off (COM and SEG output Low)
10001/4 duty, 1/3 bias
10011/3 duty, 1/3 bias
10111/3 duty, 1/2 bias
10101/2 duty, 1/2 bias
11x x Static
NOTE: ‘x’ means don’t care.
Table 14-5. Maximum Number of Display Digits per Duty Cycle
LCD Duty LCD Bias COM Output Pins Maximum Seg Display
Static Static COM0 32
1/2 1/2 COM0–COM1 32 x 2
1/3 1/2 COM0–COM2 32 x 3
1/3 1/3 COM0–COM2 32 x 3
1/4 1/3 COM0–COM3 32 x 4