Part number:
PCA9544
Manufacturer:
File Size:
77.18 KB
Description:
4-channel i2c multiplexer and interrupt controller.
PCA9544_PhilipsSemiconductors.pdf
Datasheet Details
Part number:
PCA9544
Manufacturer:
File Size:
77.18 KB
Description:
4-channel i2c multiplexer and interrupt controller.
PCA9544, 4-channel I2C multiplexer and interrupt controller
The PCA9544 is a 1-of-4 bi-directional translating multiplexer, controlled via the I2C bus.
The SCL/SDA upstream pair fans out to four 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.
Four interrup
PCA9544 Features
* 1-of-4 bi-directional translating multiplexer
* Channel selection via I2C bus
* Operating supply voltage 2.5 to 3.6 V
* Operating temperature range 0°C to 70°C
* Power-up with all multiplexer channels deselected
* 3 address pins, allowing up to 8 de
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