pca85132 NXP Semiconductors, pca85132 Datasheet - Page 10

• Manufacturer Part Number: pca85132
• Description: Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA85132_1
Product data sheet
7.4.1 Static drive mode
7.4 LCD drive mode waveforms
The static LCD drive mode is used when a single backplane is provided in the LCD.
Backplane and segment drive waveforms for this mode are shown in
Fig 5.
V
V
V
V
Static drive mode waveforms
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
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= V
= 0 V.
Sn
(Sn+1)
LCD
(t) − V
.
state 1
state 2
(t) − V
Sn+1
Rev. 01 — 6 May 2010
BP0
Sn
BP0
BP0
(t).
− V
− V
V
V
V
V
V
V
V
V
(t).
LCD
LCD
LCD
LCD
LCD
LCD
LCD
0 V
0 V
SS
SS
SS
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
T
fr
state 1
(on)
LCD segments
LCD driver for low multiplex rates
013aaa207
state 2
(off)
PCA85132
Figure
© NXP B.V. 2010. All rights reserved.
5.
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