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| BU9794AKV Datasheet, PDF (13/26 Pages) Rohm – Standard LCD Segment Driver | |||
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BU9794AKV MAX 200 Segments (SEG50ÃCOM4)
(1/2bias)
Line inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
VLCD
COM0
VSS
VLCD
COM1
VSS
VLCD
COM2
VSS
VLCD
COM3
VSS
VLCD
SEGn
VSS
VLCD
SEGn+1
VSS
VLCD
SEGn+2
VSS
VLCD
SEGn+3
VSS
1frame
stateA
(COM0-SEGn)
Frame inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
VLCD
COM0
VSS
VLCD
COM1
VSS
VLCD
COM2
VSS
VLCD
COM3
VSS
VLCD
SEGn
VSS
VLCD
SEGn+1
VSS
VLCD
SEGn+2
VSS
VLCD
SEGn+3
VSS
1frame
stateA
(COM0-SEGn)
stateB
(COM1-SEGn)
stateB
(COM1-SEGn)
Figure 15.LCD waveform in line inversion (1/2bias) Figure 16. LCD waveform in frame inversion (1/2bias)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
13/22
TSZ02201-0A0A2D300010-1-2
10.Apr.2015 Rev.004
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