BU91R63CH-M3BW Datasheet, PDF (18/37 Pages) Rohm – Low Duty LCD Segment Driver

BU91R63CH-M3BW Max 176 segments (SEG44 x COM4)
LCD Driving Waveform
(1/4duty, 1/3bias)
Line Inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
V0
COM0
VSS
V0
COM1
VSS
V0
COM2
VSS
V0
COM3
VSS
V0
SEGn
VSS
V0
SEGn+1
VSS
V0
SEGn+2
VSS
V0
SEGn+3
VSS
V0
1frame
Frame Inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
V0
COM0
VSS
V0
COM1
VSS
V0
COM2
VSS
V0
COM3
VSS
V0
SEGn
VSS
V0
SEGn+1
VSS
V0
SEGn+2
VSS
V0
SEGn+3
VSS
V0
1frame
stateA
(COM0-SEGn)
stateA
(COM0-SEGn)
-V0
V0
stateB
(COM1-SEGn)
-V0
V0
stateB
(COM1-SEGn)
-V0
-V0
Figure 13. LCD Waveform at Line Inversion
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TSZ22111・15・001
Figure 14. LCD Waveform at Frame Inversion
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TSZ02201-0P4P0D301380-1-2
10 Feb. 2016 Rev.001