HD404618 Datasheet, PDF (59/89 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

LCD control register: $013 (LCR)
2
1
0
HD404618 Series
Blank/display
Power switch on/off
Display on/off in watch mode
(not used)
LCD duty/clock control register: $014 (LMR)
3
2
1
0
Duty cycle
Input clock
Figure 37 LCD Control and LCD Mode Registers
59