pcf85176 NXP Semiconductors, pcf85176 Datasheet - Page 9

• Manufacturer Part Number: pcf85176
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF85176_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. The
backplane (BPn) and segment (Sn) 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
All information provided in this document is subject to legal disclaimers.
= V
= 0 V.
Sn
(Sn + 1)
LCD
(t) − V
.
state 1
state 2
Rev. 01 — 14 April 2010
Sn+1
(t) − V
BP0
Sn
BP0
(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
(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)
PCF85176
© NXP B.V. 2010. All rights reserved.
Figure
9 of 43
5.