S1C6S2N7 TECHNICAL HARDWARE EPSON I-39
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
LCD lighting status
Not lit
Lit
SEG
0–25
SEG0–25
Frame frequency
COM0
COM1
COM2
COM3
COM0
COM1
COM2
COM3
-VDD
-VL1, L2
-VL3
-VDD
-VL1, L2
-VL3
Fig. 4.6.4
Drive waveform for
1/4 duty (1/2 bias)
