Electronics America Single-Chip Microcontrollers User's Manual

CHAPTER 13 LCD CONTROLLER/DRIVER
User’s Manual U15331EJ4V1UD 259
Figure 13-7. Common Signal Waveforms
COMn
(Three-time-slice mode)
T
F = 3 × T
V
LC0
V SS
V LCD
V LC1
V LC2
T F = 4 × T
COMn
(Four-time-slice mode)
V
LC0
V LCD
V LC1
V LC2
V SS
T: One LCD clock period TF: Frame frequency
Figure 13-8. Voltages and Phases of Common and Segment Signals
Select Deselect
Common signal
Segment signal
V
LC0
V SS
V LCD
V LC0
V SS
V LCD
TT
V
LC2
V LC2
V LC1
V LC1
T: One LCD clock period