PCE85133AUG All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 22 July 2015 16 of 50
NXP Semiconductors
PCE85133AUG
Universal 80 × 4 LCD driver for low multiplex rates
V
th(off)
and V
th(on)
are properties of the LCD liquid and can be provided by the module
manufacturer. V
th(off)
is sometimes named V
th
. V
th(on)
is sometimes named saturation
voltage V
sat
.
It is important to match the module properties to those of the driver in order to achieve
optimum performance.
Fig 8. Electro-optical characteristic: relative transmission curve of the liquid
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PCE85133AUG All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 22 July 2015 17 of 50
NXP Semiconductors
PCE85133AUG
Universal 80 × 4 LCD driver for low multiplex rates
6.8 LCD drive mode waveforms
6.8.1 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 9
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= V
LCD
.
V
state2
(t) = V
(Sn + 1)
(t) V
BP0
(t).
V
off(RMS)
= 0 V.
Fig 9. Static drive mode waveforms
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PCE85133AUG All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 22 July 2015 18 of 50
NXP Semiconductors
PCE85133AUG
Universal 80 × 4 LCD driver for low multiplex rates
6.8.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCE85133AUG allows the use of
1
2
bias or
1
3
bias in this mode as shown in Figure 10
and Figure 11
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.791V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.354V
LCD
.
Fig 10. Waveforms for the 1:2 multiplex drive mode with
1
2
bias
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PCE85133AUG/DAZ

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers Universal 80 &#215; 4 LCD driver for low multiplex rates
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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