PCF8576C datasheet(28/57 Pages) NXP

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PCF8576C

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Product data sheet

Rev. 10 — 22 July 2010

28 of 57

NXP Semiconductors

PCF8576C

Universal LCD driver for low multiplex rates

7.18.1 Mode-set command

[1]

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

[2]

Bit B is not applicable for the static LCD drive mode.

7.18.2 Load-data-pointer command

Table 8.

Definition of PCF8576C commands

Command

Operation Code

Reference

Bit

mode-set

M[1:0]

Section 7.18.1

load-data-pointer

P[5:0]

Section 7.18.2

device-select

00A[2:0]

Section 7.18.3

bank-select

110I

Section 7.18.4

blink-select

BF[1:0]

Section 7.18.5

Table 9.

Mode-set command bit description

Bit

Symbol

Value

Description

0, 1see Figure 20

6 to 5

fixed value

4LP

power dissipation (see Table 6)

normal-power mode

power-saving mode

display status

disabled[1]

enabled

LCD bias configuration[2]

⁄

3 bias

⁄

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 10.

Load-data-pointer command bit description

Bit

Symbol

Value

Description

0, 1see Figure 20

fixed value

5 to 0

P[5:0]

000000 to

100111

6 bit binary value, 0 to 39; transferred to the data pointer to

define one of forty display RAM addresses

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