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PCA9547

Part Number	PCA9547
Manufacturer	NXP
Description	8-Channel I2C Bus Multiplexer
Published	Nov 20, 2006
Detailed Description	PCA9547 8-channel I2C-bus multiplexer with reset Rev. 4 — 1 April 2014 Product data sheet 1. General description The P...
Datasheet	PCA9547 PDF File

Overview

PCA9547 8-channel I2C-bus multiplexer with reset Rev.
4 — 1 April 2014 Product data sheet 1.
General description 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 up with Channel 0 connected, allowing immediate communication between the master and downstream devices on that channel.
An active LOW reset input allows the PCA9547 to recover from a situation where one of the downstream I2C-buses is stuck in a LOW state.
Pulling the RESET pin LOW res...

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