PCA9535DGVR Texas Instruments - Yeehing Electronics

16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers

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Specifications

For more information, please refer to datasheet

Documents

More Information

INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2C bus. Thus, the PCA9535 can remain a simple slave device.