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

8.10.6.2 1:2 Multiplex drive mode

When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The

PCA8538 allows the use of 1⁄2 bias or 1⁄3 bias in this mode as shown in Figure 26 and

Figure 27.

9/&'

%3

9/&'

966

%3 9/&'

9/&'

966

9/&'

6Q

966

9/&'

6Q

966

9/&'

9/&'

VWDWH 9

9/&'

9/&'

9/&'

9/&'

VWDWH 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) = 0.791VLCD.

Voff(RMS)(t) = 0.354VLCD.

Fig 26. Waveforms for the 1:2 multiplex drive mode, 1⁄2 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.

46 of 107

Share Link: