PCF8576CT/S480/1,1 NXP Semiconductors, PCF8576CT/S480/1,1 Datasheet - Page 14

• Manufacturer Part Number: PCF8576CT/S480/1,1
• Description: LCD Drivers Universal LCD Driver Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF8576C
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 9.
V
V
V
V
Static drive mode waveforms
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
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= 0 V.
= V
Sn
LCD
Sn+1
(t)  V
.
(t)  V
state 1
state 2
Rev. 11 — 30 March 2012
Sn+1
BP0
Sn
BP0
BP0
(t).
−V
−V
V
V
V
V
V
(t).
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
0 V
0 V
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
state 1
(on)
LCD segments
mgl745
state 2
(off)
PCF8576C
Figure
© NXP B.V. 2012. All rights reserved.
9.
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