HD66740 Datasheet, PDF (43/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
COM1
COM2
COM79
COM80
V1
V2
V5
GND
V1
V2
V5
GND
V1
V2
V5
GND
V1
V2
V5
GND
1 234
1 frame
79 80 1 2 3
79 80
1 frame
Figure 20
LCD Drive Output Waveform (B-pattern AC Drive with 1/80 Multiplexing Duty
Ratio)
43