PCA85233 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 6 May 2015 19 of 54
NXP Semiconductors
PCA85233
Automotive 80 × 4 LCD driver for low multiplex rates
7.8.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCA85233 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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7
IU
PCA85233 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 6 May 2015 20 of 54
NXP Semiconductors
PCA85233
Automotive 80 × 4 LCD driver for low multiplex rates
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.745V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.333V
LCD
.
Fig 11. Waveforms for the 1:2 multiplex drive mode with
1
3
bias
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9
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9
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6Q
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IU
9
66
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PCA85233 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 4 — 6 May 2015 21 of 54
NXP Semiconductors
PCA85233
Automotive 80 × 4 LCD driver for low multiplex rates
7.8.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies, as
shown in Figure 12
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.638V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.333V
LCD
.
Fig 12. Waveforms for the 1:3 multiplex drive mode with
1
3
bias
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PCA85233UG/2DA/Q1Z

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers PCA85233UG/WLCSP201//2DA/Q1/DIE 3 WAFFLE CARRIERS
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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