ST7689-G4 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
ST7689-G4
Sitronix Technology Co., Ltd.
'ST7689-G4' PDF : 195 Pages View PDF
6.5. LCD DRIVER OUTPUTS
ST7689
Name
SEG0
to
SEG383
COM0
to
COM159
I/O
Description
LCD segment driver outputs
The display data and the M signal control the output voltage of segment driver.
Display data
M (Internal)
Segment driver output voltage
Normal display
Reverse display
O
H
H
Vg
VSS
H
L
VSS
Vg
L
H
VSS
Vg
L
L
Vg
VSS
Sleep-In mode
VSS
VSS
LCD common driver outputs
The internal scanning data and M signal control the output voltage of common driver.
Scan data
M (Internal)
Common driver output voltage
H
H
XV0
O
H
L
V0
L
H
Vm
L
L
Vm
Sleep-In mode
VSS
Driving Waveform
Figure 1 ST7689 COM/SEG Driving Waveform
Version 1.0
Page 27 of 195
2009/10
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