PCA9530 Datasheet, PDF(3/16 Page) NXP Semiconductors

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PCA9530 Datasheet, PDF (3/16 Pages) NXP Semiconductors – 2-bit I2C LED dimmer

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Philips Semiconductors

2-bit I2C LED dimmer

Preliminary data

PCA9530

BLOCK DIAGRAM

PCA9530

SCL

SDA

INPUT

FILTERS

I2C-BUS

CONTROL

INPUT

LED SELECT (LSx)

VDD

RESET

POWER-ON

RESET

OSCILLATOR

PRESCALER 0

PRESCALER 1

PWM0

PWM1

BLINK0

BLINK1

VSS

NOTE: ONLY ONE I/O SHOWN FOR CLARITY

Figure 2. Block diagram

LEDx

SW02042

2002 Dec 12

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