PCF8566 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF8566' PDF : 48 Pages View PDF
NXP Semiconductors
PCF8566
Universal LCD driver for low multiplex rates
BP0
BP1
Sn
Sn+1
state 1
state 2
VLCD
2VLCD / 3
VLCD / 3
VSS
VLCD
2VLCD / 3
VLCD / 3
VSS
VLCD
2VLCD / 3
VLCD / 3
VSS
VLCD
2VLCD / 3
VLCD / 3
VSS
VLCD
2VLCD / 3
VLCD / 3
0V
−VLCD / 3
−2VLCD / 3
−VLCD
VLCD
2VLCD / 3
VLCD / 3
0V
−VLCD / 3
−2VLCD / 3
−VLCD
Tfr
LCD segments
state 1
state 2
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
mgl747
Fig 7.
Vstate1(t) = VSn(t) − VBP0(t).
Von(RMS) = 0.745VLCD
Vstate2(t) = VSn(t) − VBP1(t)
Voff(RMS) = 0.333VLCD.
Waveforms for the 1:2 multiplex drive mode with 1⁄3 bias
PCF8566_7
Product data sheet
Rev. 07 — 25 February 2009
© NXP B.V. 2009. All rights reserved.
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