PCF85162 データシートの表示（PDF） - NXP Semiconductors.
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PCF85162 Datasheet PDF : 46 Pages
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NXP Semiconductors
PCF85162
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. The
backplane (BPn) and segment (Sn) drive waveforms for this mode are shown in Figure 6.
Tfr
VLCD
BP0
VSS
VLCD
Sn
LCD segments
state 1
(on)
state 2
(off)
VSS
VLCD
Sn+1
VSS
(a) Waveforms at driver.
VLCD
state 1 0 V
−VLCD
VLCD
state 2 0 V
−VLCD
(b) Resultant waveforms
at LCD segment.
Fig 6.
Vstate1(t) = VSn(t) VBP0(t).
Von(RMS) = VLCD.
Vstate2(t) = V(Sn + 1)(t) VBP0(t).
Voff(RMS) = 0 V.
Static drive mode waveforms
013aaa207
PCF85162
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 16 June 2011
© NXP B.V. 2011. All rights reserved.
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