PCA8530DUGSLASHDAZ datasheet(17/103 Pages) NXP

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PCA8530

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Product data sheet

Rev. 2 — 25 September 2014

17 of 103

NXP Semiconductors

PCA8530

Automotive 102 x 4 Chip-On-Glass LCD segment driver

8.4 Temperature compensation control commands

8.4.1 Command: Temperature-ctrl

The Temperature-ctrl command enables or disables the temperature measurement block

and the temperature compensation of VLCD (see Section 8.10.4 on page 40).

[1]

The unfiltered digital value of TD[7:0] is immediately available for the readout and VLCD compensation.

Table 17.

Temperature-ctrl - temperature measurement control command bit description

For this command, the register selection bits have to be set RS[1:0] = 10.

Bit

Symbol

Value

Description

-R/W

fixed value

RS[1:0]

fixed value

7 to 3

00000

fixed value

2TCE

temperature compensation control

temperature compensation of VLCD disabled

temperature compensation of VLCD enabled

1TMF

temperature measurement filter

digital temperature filter disabled[1]

digital temperature filter enabled

0TME

temperature measurement control

temperature measurement disabled;

no temperature readout possible

temperature measurement enabled;

temperature readout possible

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