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Part Name
Description
PCA85133U(2009) View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
PCA85133U
(Rev.:2009)
Universal LCD driver for low multiplex rates
NXP Semiconductors.
PCA85133U Datasheet PDF : 44 Pages
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NXP Semiconductors
PCA85133
Universal LCD driver for low multiplex rates
BP0
BP1
Sn
Sn+1
state 1
state 2
V
LCD
2V
LCD
/3
V
LCD
/3
V
SS
V
LCD
2V
LCD
/3
V
LCD
/3
V
SS
V
LCD
2V
LCD
/3
V
LCD
/3
V
SS
V
LCD
2V
LCD
/3
V
LCD
/3
V
SS
V
LCD
2V
LCD
/3
V
LCD
/3
0V
−
V
LCD
/3
−
2V
LCD
/3
−
V
LCD
V
LCD
2V
LCD
/3
V
LCD
/3
0V
−
V
LCD
/3
−
2V
LCD
/3
−
V
LCD
T
fr
LCD segments
state 1
state 2
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
013aaa209
Fig 6.
V
state1
(t) = V
Sn
(t)
−
V
BP0
(t).
V
on(RMS)
= 0.745V
LCD
.
V
state2
(t) = V
Sn
(t)
−
V
BP1
(t).
V
off(RMS)
= 0.333V
LCD
.
Waveforms for the 1:2 multiplex drive mode with
1
⁄
3
bias
PCA85133_1
Product data sheet
Rev. 1 — 23 October 2009
© NXP B.V. 2009. All rights reserved.
10 of 44
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