PCA9530D datasheet(3/16 Pages) PHILIPS

Part #	PCA9530D

Description	2-bit I2C LED dimmer

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Preliminary data

PCA9530

2-bit I2C LED dimmer

2002 Dec 12

3

BLOCK DIAGRAM

PWM0

REGISTER

PWM1

REGISTER

PRESCALER 0

REGISTER

PRESCALER 1

REGISTER

I2C-BUS

CONTROL

LEDx

A0

INPUT

FILTERS

SCL

SDA

OSCILLATOR

POWER-ON

RESET

VDD

VSS

SW02042

1

0

BLINK0

BLINK1

RESET

NOTE: ONLY ONE I/O SHOWN FOR CLARITY

LED SELECT (LSx)

REGISTER

INPUT

REGISTER

PCA9530

Figure 2. Block diagram

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PCA9530D Datasheet(PDF) 3 Page - NXP Semiconductors

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