Datasheet

RL78/L12 CHAPTER 14 LCD CONTROLLER/DRIVER
R01UH0330EJ0200 Rev.2.00 605
Dec 13, 2013
Table 14-2. Maximum Number of Pixels (3/5)
(c) 48-pin products
Drive Waveform for
LCD Driver
LCD Driver Voltage
Generator
Bias Mode Number of
Time Slices
Maximum Number of Pixels
Waveform A External resistance
division
−
Static 26 (26 segment signals, 1 common signal)
1/2 2 52 (26 segment signals, 2 common signals)
3 78 (26 segment signals, 3 common signals)
1/3 3
4 104 (26 segment signals, 4 common signals)
1/4 8 176 (22 segment signals, 8 common signals)
Internal voltage
boosting
1/3 3 78 (26 segment signals, 3 common signals)
4 104 (26 segment signals, 4 common signals)
1/4 8 176 (22 segment signals, 8 common signals)
Capacitor split
1/3 3 78 (26 segment signals, 3 common signals)
4 104 (26 segment signals, 4 common signals)
Waveform B External resistance
division, internal
voltage boosting
1/3 4
1/4 8 176 (22 segment signals, 8 common signals)
Capacitor split
1/3 4 104 (26 segment signals, 4 common signals)
Table 14-2. Maximum Number of Pixels (4/5)
(d) 52-pin products
Drive Waveform for
LCD Driver
LCD Driver Voltage
Generator
Bias Mode Number of
Time Slices
Maximum Number of Pixels
Waveform A External resistance
division
−
Static 30 (30 segment signals, 1 common signal)
1/2 2 60 (30 segment signals, 2 common signals)
3 90 (30 segment signals, 3 common signals)
1/3 3
4 120 (30 segment signals, 4 common signals)
1/4 8 208 (26 segment signals, 8 common signals)
Internal voltage
boosting
1/3 3 90 (30 segment signals, 3 common signals)
4 120 (30 segment signals, 4 common signals)
1/4 8 208 (26 segment signals, 8 common signals)
Capacitor split
1/3 3 90 (30 segment signals, 3 common signals)
4 120 (30 segment signals, 4 common signals)
Waveform B External resistance
division, internal
voltage boosting
1/3 4
1/4 8 208 (26 segment signals, 8 common signals)
Capacitor split
1/3 4 120 (30 segment signals, 4 common signals)
<R>
<R>