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PCA9547 Datasheet - NXP

PCA9547_PhilipsSemiconductors.pdf

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Datasheet Details

Part number:

PCA9547

Manufacturer:

NXP ↗

File Size:

250.26 KB

Description:

8-channel i2c bus multiplexer.

PCA9547, 8-Channel I2C Bus Multiplexer

The PCA9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus.

The SCL/SDA upstream pair fans out to eight downstream pairs, or channels.

Only one SCx/SDx channel can be selected at a time, determined by the contents of the programmable control register.

The device powers u

PCA9547 Features

* 1-of-8 bidirectional translating multiplexer

* I2C-bus interface logic; compatible with SMBus standards

* Active LOW RESET input

* 3 address pins allowing up to 8 devices on the I2C-bus

* Channel selection via I2C-bus, one channel at a time

* Power-up with all channels dese

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