PCA8534AH-Q900 NXP [NXP Semiconductors], PCA8534AH-Q900 Datasheet - Page 9

• Manufacturer Part Number: PCA8534AH-Q900
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA8534A_2
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
All information provided in this document is subject to legal disclaimers.
= V
= 0 V.
Sn
(Sn + 1)
LCD
(t) − V
.
state 1
state 2
Sn+1
Rev. 02 — 1 June 2010
(t) − V
BP0
Sn
BP0
(t).
−V
−V
BP0
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
0 V
0 V
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
state 1
(on)
LCD segments
mgl745
state 2
(off)
PCA8534A
Figure
© NXP B.V. 2010. All rights reserved.
4.
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