UPD789304 Datasheet, PDF (54/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD789304, 789306, 789314, 789316
12. CHARACTERISTICS CURVES OF LCD CONTROLLER/DRIVER (REFERENCE VALUES)
(1) Characteristics curves of voltage boost stabilization time
The following shows the characteristics curves of the time from the start of voltage boost (VAON0 = 1) and
the changes in the LCD output voltage (when GAIN is set to 1 (using the 3 V display panel))
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
LCD Output Voltage/Voltage Boost Time
VDD = 4.5 V
VDD = 5 V
VDD = 5.5 V
VLCD0
VLCD1
VLCD2
500
1000
1500
2000
2500
3000
3500
4000
Voltage boost time [ms]
54
Data Sheet U14384EJ1V0DS