PCF8562 datasheet(23/44 Pages) PHILIPS

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PCF8562

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Product data sheet

Rev. 6 — 16 June 2011

23 of 43

NXP Semiconductors

PCF8562

Universal LCD driver for low multiplex rates

[1]

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

[2]

Not applicable for static drive mode.

Table 11.

Mode-set command bit description

Bit

Symbol

Value

Description

0, 1see Table 10

6, 5

fixed value

unused

display status

disabled (blank)[1]

enabled

LCD bias configuration[2]

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 12.

Load-data-pointer command bit description

Bit

Symbol

Value

Description

0, 1see Table 10

6, 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 13.

Device-select command bit description

Bit

Symbol

Value

Description

0, 1see Table 10

6 to 3

1100

fixed value

2 to 0

A[2:0]

000 to 111

3 bit binary value, 0 to 7; transferred to the subaddress

counter to define one of eight hardware subaddresses

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