PCA8530DUGSLASHDA datasheet(11/103 Pages) NXP

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PCA8530

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Product data sheet

Rev. 2 — 25 September 2014

11 of 103

NXP Semiconductors

PCA8530

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

8.2.3 Command: Device-address

The Device-address command allows setting the address of the device in a cascaded

configuration and corresponds with pins A0 and A1 (see Section 15.2 on page 80).

8.2.4 Command: SYNC1_pin

With the SYNC1_pin command, the SYNC1 pin can be configured for using the PCA8530

as a single chip or a master in a cascade. If the PCA8530 is a slave in a cascade, the

command has no effect.

Table 8.

Device-address - device address command bit description

Bit

Symbol

Value

Description

-R/W

fixed value

RS[1:0]

fixed value

7 to 2

000110

fixed value

1 to 0

A[1:0]

set address

master

slave 1

slave 2

slave 3

Table 9.

SYNC1_pin - SYNC1 pin configuration command bit description

This command has no effect if the PCA8530 is a slave in a cascade.

Bit

Symbol

Value

Description

-R/W

fixed value

RS[1:0]

fixed value

7 to 1

1011100

fixed value

0OE

SYNC1 pin configuration

pin SYNC1 is an output;

gated to 0 V;

to be used when PCA8530 is a single chip

pin SYNC1 is an output;

providing the synchronization signal;

to be used when PCA8530 is a master in a

cascade

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