KS57C2308/P2308/C2316/P2316 MEMORY MAP
4-19
LMOD — LCD Mode Register F8DH, F8CH
Bit 7 6 5 4 3 2 1 0
Identifier .7 .6 .5 .4 .3 .2 .1 .0
RESET Value 0 0 0 0 0 0 0 0
Read/Write W W W W W W W W
Bit Addressing 8 8 8 8 1/8 8 8 8
.7–.6 LCD Output Segment and Pin Configuration Bits
0 0 Segments 24–27; and 28–31
0 1 Segment 24–27; 1-bit output at P8.4P8.7
1 0 Segment 28–31; 1-bit output at P8.0P8.3
1 1 1-bit output only at P8.0P8.3, and P8.4–P8.7
.5–.4 LCD Clock (LCDCK) Frequency Selection Bits
0 0 fw/29 = 64 Hz
0 1 fw/28 = 128 Hz
1 0 fw/27 = 256 Hz
1 1 fw/26 = 512 Hz
NOTE: Assuming watch timer clock (fw) = 32.768 kHz.
.3–.0 Duty and Bias Selection for LCD Display
0 LCD display off
1 0 0 0 1/4 duty, 1/3 bias
1 0 0 1 1/3 duty, 1/3 bias
1 0 1 0 1/2 duty, 1/2 bias
1 0 1 1 1/3 duty, 1/2 bias
1 1 0 0 Static