Part number:
PCA9542A
Manufacturer:
NXP ↗ Semiconductors
File Size:
162.75 KB
Description:
2-channel i2c-bus multiplexer and interrupt logic.
PCA9542A_NXPSemiconductors.pdf
Datasheet Details
Part number:
PCA9542A
Manufacturer:
NXP ↗ Semiconductors
File Size:
162.75 KB
Description:
2-channel i2c-bus multiplexer and interrupt logic.
PCA9542A, 2-channel I2C-bus multiplexer and interrupt logic
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
PCA9542A Features
* I I I I I I I I I I I I I I I I 1-of-2 bidirectional translating multiplexer I2C-bus interface logic; compatible with SMBus 2 active LOW interrupt inputs (INT0, INT1) Active LOW interrupt output (INT) 3 address pins allowing up to 8 devices on the I2C-bus Channel selection via I2C-bus Powers up with
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