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PCA9542A

NXP Semiconductors
Part Number PCA9542A
Manufacturer NXP Semiconductors
Description 2-channel I2C-bus multiplexer and interrupt logic
Published Mar 30, 2010
Detailed Description PCA9542A Rev. 03 — 24 November 2008 www.DataSheet4U.com 2-channel I2C-bus multiplexer and interrupt logic Product data...
Datasheet PDF File PCA9542A PDF File

PCA9542A
PCA9542A

Overview
PCA9542A Rev.
03 — 24 November 2008 www.
DataSheet4U.
com 2-channel I2C-bus multiplexer and interrupt logic Product data sheet 1.
General description The PCA9542A is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus.
The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.
Only one SCx/SDx channel is selected at a time, determined by the contents of the programmable control register.
Two interrupt inputs, INT0 and INT1, one for each of the SCx/SDx downstream pairs, are provided.
One interrupt output, INT, which acts as an AND of the two interrupt inputs, is provided.
A power-on reset function puts the registers in their default state and init...


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