UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 50

• Manufacturer Part Number: UPD16488AP
• Description: 1/92 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM
• Manufacturer: NEC [NEC]

(1) Normal display
(2) Partial display
Note
Note
50
This 700 ms wait time indicates the time for the V
the panel characteristics and the capacitance value of the boost/smoothing capacitor. We recommend
determining the wait time after making a thorough evaluation of the actual device.
This 400 ms wait time indicates the time for the V
the panel characteristics and the capacitance value of the boost/smoothing capacitor. We recommend
determining the wait time after making a thorough evaluation of the actual device.
Switch display mode
HPM1 = X, HPM0 = X
Switch display mode
HPM1 = 1, HPM0 = 1
HPM1 = X, HPM0 = X
HPM1 = 1, HPM0 = 0
Wait time
DISP = 0
DISP = 1
Wait time
DISP = 0
DISP = 1
Normal display switch sequence
partial display switch sequence
Data Sheet S15745EJ2V0DS
R0
R32
R1
R32
R0
R0
R32
R1
R32
R0
LCD
LCD
Display OFF
Power ON mode settings
Control register 2: switch DTY flag
400 ms (stabilization time for LCD drive voltage and
booster)
High power mode settings
(to mode used during normal display)
Display ON, internal operations status
Display OFF
High power mode settings
Control register 2: switch DTY flag
700 ms (stabilization time for LCD drive voltage and
booster)
High power mode settings
(to mode used during normal display)
Display ON, internal operations status
level to change from 15 V to 6 V and thus varies according to
level to change from 6 V to 15 V and thus varies according to
Note
Note
PD16488A