PCA85133 NXP [NXP Semiconductors], PCA85133 Datasheet - Page 8

• Manufacturer Part Number: PCA85133
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA85133_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 4.
V
V
V
V
Static drive mode waveforms
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
= V
= 0 V.
Sn
(Sn + 1)
LCD
(t)
.
Rev. 1 — 23 October 2009
state 1
state 2
Sn+1
(t)
V
BP0
Sn
BP0
V
(t).
BP0
V
V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
0 V
0 V
(t).
SS
SS
SS
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
state 1
(on)
LCD segments
013aaa207
state 2
(off)
PCA85133
Figure
© NXP B.V. 2009. All rights reserved.
4.
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