UPD78F9418A NEC, UPD78F9418A Datasheet - Page 212

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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Figure 14-7. Voltages and Phases of Common and Segment Signals
Common signal
Common signal
Segment signal
Segment signal
Segment signal
Common signal
CHAPTER 14 LCD CONTROLLER/DRIVER
User’s Manual U13952EJ3V0UD
T: One LCD clock period
T: One LCD clock period
T: One LCD clock period
(a) Static display mode
(b) 1/2 bias method
(c) 1/3 bias method
Select
Select
Select
T
T
T
Deselect
Deselect
Deselect
T
T
T
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
LC0
LC1
LC2
SS0
LC0
LC1
LC2
SS0
LC0
SS0
LC0
SS0
LC0
LC2
SS0
LC0
LC2
SS0
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD