Datasheet Details
Part number:
PCA9544A
Manufacturer:
File Size:
271.16 KB
Description:
4-channel i2c-bus multiplexer.
PCA9544A_PhilipsSemiconductors.pdf
Datasheet Details
Part number:
PCA9544A
Manufacturer:
File Size:
271.16 KB
Description:
4-channel i2c-bus multiplexer.
PCA9544A, 4-channel I2C-bus multiplexer
The PCA9544A is a 1-of-4 bidirectional 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
PCA9544A Features
* 1-of-4 bidirectional translating multiplexer
* I2C-bus interface logic; compatible with SMBus
* 4 active LOW interrupt inputs
* Active LOW interrupt output
* 3 address pins allowing up to 8 devices on the I2C-bus
* Channel selection via I2C-bus
* Power-up with all multi
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