
S1C63466 TECHNICAL MANUAL EPSON 49
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver)
Figures 4.7.4.1 and 4.7.4.2 show the dynamic drive waveform for 1/4 bias and 1/5 bias.
VC5
VC4
VC2 (VC3)
VC1
VSS
VC5
VC4
VC2 (VC3)
VC1
VSS
VC5
VC4
VC2 (VC3)
VC1
VSS
VC5
VC4
VC2 (VC3)
VC1
VSS
VC5
VC4
VC2 (VC3)
VC1
VSS
Drive duty 1/8
1/16
1/17
0
0
0
1
1
1
2
2
2
3
3
3
7
15
16
Frame signal
0
0
0
1
1
1
2
2
2
3
3
3
7
15
16
32 Hz ∗
COM0
COM1
COM2
SEG0
SEG1
. . . . .
. . . . .
. . . . .
. . . . .
. . . . .
. . . . .
∗ When f
OSC1 = 32.768 kHz
(LPAGE = 0)
Fig. 4.7.4.1 Drive waveform for 1/4 bias
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