PCA85262 datasheet(6/55 Pages) NXP

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PCA85262

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Product data sheet

Rev. 3 — 12 November 2018

6 of 55

NXP Semiconductors

PCA85262

Automotive 32 x 4 LCD driver for low multiplex rates

[1]

The possibility to disable the display allows implementation of blinking under external control.

[2]

The display is disabled by setting all backplane and segment outputs to VLCD.

[3]

Not applicable for static drive mode.

6.1.2 Command: load-data-pointer

The load-data-pointer command defines the display RAM address where the following

display data are sent to.

6.1.3 Command: device-select

The device-select command allows defining the subaddress counter value.

LCD bias configuration[3]

1⁄3 bias

1⁄2 bias

1 to 0

M[1:0]

LCD drive mode selection

static; BP0

1:2 multiplex; BP0, BP1

1:3 multiplex; BP0, BP1, BP2

1:4 multiplex; BP0, BP1, BP2, BP3

Table 6.

Mode-set command bit description …continued

Bit

Symbol

Value

Description

Table 7.

Load-data-pointer command bit description

See Section 6.3.1.

Bit

Symbol

Value

Description

0, 1see Table 5

6 to 5

fixed value

4 to 0

P[4:0]

00000 to

11111

5-bit binary value, 0 to 31; transferred to the data pointer to

define one of 32 display RAM addresses

Table 8.

Device-select command bit description

See Section 6.3.2.

Bit

Symbol

Value

Description

0, 1see Table 5

6 to 2

11000

fixed value

1 to 0

A[1:0]

00 to 11

2-bit binary value, 0 to 3; transferred to the subaddress

counter to define one of four hardware subaddresses

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