PCF8545ATT datasheet(7/103 Pages) NXP

7 / 103 page

PCA8530

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Product data sheet

Rev. 2 — 25 September 2014

7 of 103

NXP Semiconductors

PCA8530

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

[1]

The substrate (rear side of the die) is connected to VSS1 and should be electrically isolated.

[2]

If pin OSC is tied to VSS1, CLK is the output pin of the internal oscillator. If pin OSC is tied to VDD1, CLK is the input pin for the external

oscillator.

[3]

If cascading is not used, pin must be left floating; for cascading see Section 15.2 on page 80.

Bus-related pins

SPI-bus

I2C-bus

IFS

66, 67

input

interface selector input

• connect to VSS1

• connect to VDD1

SA0

70, 71

input

unused;

• connect to VSS1

slave address selector;

• connect to VSS1 for logic 0

• connect to VDD1 for logic 1

SA1

72, 73

input

91, 92

input

chip enable input (active LOW)

unused;

• connect to VDD1

SDI/SDAIN

104 to 106

input

SPI-bus data input

I2C-bus serial data input

SDAOUT

107 to 111

output

unused;

• must be connected to VSS1

serial data output

SDO

112, 113

output

SPI serial data output

unused;

• must be left open

SCL

114 to 116

input

serial clock input

Table 4.

Pin description …continued

Input or input/output pins must always be at a defined level (VSS or VDD) unless otherwise specified.

Symbol

Type

Description

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