PCF8536AT datasheet(5/48 Pages) NXP

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PCE85176AUG

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Product data sheet

Rev. 1 — 12 January 2015

5 of 48

NXP Semiconductors

PCE85176AUG

4 × 40 LCD segment driver for Chip-On-Glass

7.1.1 Command: mode-set

The mode-set command allows configuring the multiplex mode, the bias levels and

enabling or disabling the display.

[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.

7.1.2 Command: load-data-pointer

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

display data is sent to.

Table 7.

Mode-set command bit allocation

Bit position labeled as - is not used.

Bit

Symbol

M[1:0]

Table 8.

Mode-set command bit description

Bit position labeled as - is not used.

Bit

Symbol

Value

Description

0, 1

see Table 6

6, 5

fixed value

unused

display status[1]

disabled (blank)[2]

enabled

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 9.

Load-data-pointer command bit allocation

Bit

Symbol

P[5:0]

Table 10.

Load-data-pointer command bit description

See Section 7.3.1.

Bit

Symbol

Value

Description

0, 1

see Table 6

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 40 display

RAM addresses

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