PCA9620H NXP [NXP Semiconductors], PCA9620H Datasheet - Page 23

• Manufacturer Part Number: PCA9620H
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9620
Product data sheet
7.4.2.1 Static drive mode
7.4.2 LCD drive mode waveforms
The static LCD drive mode is used when a single backplane is provided in the LCD.
Fig 15. Static drive mode waveforms (line inversion mode)
V
V
V
state1
state2
on(RMS)
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
(t) = V
Sn
(Sn + 1)
(t) − V
LCD
Rev. 1 — 9 December 2010
state 1
state 2
. V
Sn+1
(t) − V
BP0
Sn
BP0
off(RMS)
(t).
BP0
− V
− V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
0 V
(t) = 0 V.
0 V
(t).
SS
SS
SS
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
state 1
(on)
LCD segments
013aaa207
state 2
(off)
PCA9620
© NXP B.V. 2010. All rights reserved.
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