PCF8562TT-2 NXP [NXP Semiconductors], PCF8562TT-2 Datasheet - Page 15
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PCF8562TT-2
Manufacturer Part Number
PCF8562TT-2
Description
Universal LCD driver for low multiplex rates
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF8562TT-2.pdf
(43 pages)
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NXP Semiconductors
PCF8562
Product data sheet
7.4.4 1:4 Multiplex drive mode
When four backplanes are provided in the LCD, the 1:4 multiplex drive mode applies as
shown in
Fig 10. Waveforms for the 1:4 multiplex drive mode with
Sn+1
Sn+2
Sn+3
state 1
state 2
BP2
BP0
BP1
BP3
Sn
Figure
V
V
V
V
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
−V
−2V
−V
V
2V
V
−V
−2V
−V
0 V
0 V
All information provided in this document is subject to legal disclaimers.
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
10.
= 0.577V
= 0.333V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
Sn
Sn
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
(t) V
(t) V
LCD
Rev. 6 — 16 June 2011
LCD
BP0
BP1
.
.
(t).
(t).
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
⁄
3
bias
state 1
state 2
013aaa211
PCF8562
© NXP B.V. 2011. All rights reserved.
LCD segments
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