PCF8536AT datasheet(8/103 Pages) NXP

8 / 103 page

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Functional description

8.1 Commands of PCA8530

The PCA8530 is controlled by the commands defined in Table 5.

Remark: Any other combinations of operation code bits that are not mentioned in this document may lead to undesired

operation modes of PCA8530.

Table 5.

Commands of PCA8530

Command name

R/W[1]

selection

RS[1:0][2]

Command bits

Reference

General control commands

Initialize

000

1110

Section 8.2.1

OTP-refresh

011

0110

Section 8.2.2

Device-address

000

0110

A[1:0]

Section 8.2.3

SYNC1_pin

1110

0OE

Section 8.2.4

Clock-out-ctrl

011

0101

0COE

Section 8.2.5

Read-select

0111

0SO

Section 8.2.6

Status-readout temperature

TD[7:0]

Section 8.2.7

device status

SR7

SR6

SR5

SR4

SR[3:0]

Clear-reset-flag

0111

Section 8.2.8

Charge pump and LCD bias control commands

Charge-pump-ctrl

CPE

CPC[2:0]

Section 8.3.1

Set-VLCD

MSB

001

0V[8:4]

Section 8.3.2

LSB

001

10V[3:0]

Set-bias-mode

011

0100

B[1:0]

Section 8.3.3

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