HD66750 Datasheet, PDF (50/96 Pages) Hitachi Semiconductor – 128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions

HD66750/1
COM1
COM2
V1
V2
V5
GND
V1
V2
V5
GND
V1
V2
COM127
V5
GND
V1
V2
COM128
V5
GND
1 2 34
1 frame
127 128 1 2 3
127 128
1 frame
Figure 33 LCD Drive Output Waveform (B-pattern AC Drive with 1/128 Multiplexing Duty Ratio)
50