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| BU9797FUV-M Datasheet, PDF (15/28 Pages) Rohm – Integrated Buffer AMP for LCD Driving | |||
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BU9797FUV-M MAX 144 segments (SEG36ÃCOM4)
(1/2bias)
Line inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
VDD
COM0
VLCD
VDD
COM1
VLCD
VDD
COM2
COM3
VLCD
VDD
VLCD
VDD
SEGn
VLCD
VDD
SEGn+1
VLCD
VDD
SEGn+2
VLCD
VDD
SEGn+3
VLCD
1frame
stateA
(COM0-SEGn)
Frame inversion
SEGn SEGn+1 SEGn+2 SEGn+3
COM0 stateA
COM1 stateB
COM2
COM3
COM0
COM1
COM2
VDD
VLCD
VDD
VLCD
VDD
VLCD
VDD
COM3
VLCD
VDD
SEGn
VLCD
VDD
SEGn+1
VLCD
VDD
SEGn+2
VLCD
VDD
SEGn+3
VLCD
1frame
stateA
(COM0-SEGn)
Datasheet
stateB
(COM1-SEGn)
stateB
(COM1-SEGn)
Figure 14. LCD waveform in line inversion (1/2bias) Figure 15. LCD waveform in frame inversion (1/2bias)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
15/25
TSZ02201-0P4P0D300430-1-2
26.Aug.2013 Rev.001
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