PCA8538UG(2014) View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

MFG CO.

PCA8538UG
(Rev.:2014)

Automotive 102 x 9 Chip-On-Glass LCD segment driver

NXP Semiconductors. 

NXP Semiconductors

PCA8538

Automotive 102 x 9 Chip-On-Glass LCD segment driver

8.10.6.3 1:4 Multiplex drive mode

When four backplanes are provided in the LCD, the 1:4 multiplex drive mode applies, as

shown in Figure 28.

%3

%3

%3

%3

6Q

6Q

6Q

6Q

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

9/&'

9/&'

9/&'

966

VWDWH

9/&'

9/&'

9/&'

9

9/&'

9/&'

9/&'

VWDWH

9/&'

9/&'

9/&'

9

9/&'

9/&'

9/&'

7IU

/&'VHJPHQWV

VWDWH

VWDWH

D:DYHIRUPVDWGULYHU

E5HVXOWDQWZDYHIRUPV

DW/&'VHJPHQW

DDD

Vstate1(t) = VSn(t)  VBP0(t).

Vstate2(t) = VSn(t)  VBP1(t).

Von(RMS)(t) = 0.577VLCD.

Voff(RMS)(t) = 0.333VLCD.

Fig 28. Waveforms for the 1:4 multiplex drive mode, 1⁄3 bias, line inversion mode (n = 1)

PCA8538

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 26 September 2014

© NXP Semiconductors N.V. 2014. All rights reserved.

48 of 107

Share Link: