PCF8576C View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF8576C' PDF : 57 Pages View PDF
NXP Semiconductors
PCF8576C
Universal LCD driver for low multiplex rates
7.4 LCD drive mode waveforms
7.4.1 Static drive mode
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 Figure 8.
Tfr
VLCD
BP0
VSS
VLCD
Sn
LCD segments
state 1
(on)
state 2
(off)
VSS
Sn+1
VLCD
VSS
(a) Waveforms at driver.
VLCD
state 1 0 V
−VLCD
VLCD
state 2
0V
−VLCD
(b) Resultant waveforms
at LCD segment.
Fig 8.
Vstate1(t) = VSn(t) − VBP0(t).
Von(RMS) = VLCD.
Vstate2(t) = VSn+1(t) − VBP0(t).
Voff(RMS) = 0 V.
Static drive mode waveforms
mgl745
PCF8576C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 10 — 22 July 2010
© NXP B.V. 2010. All rights reserved.
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