The I2C-bus appears in virtually every application—from
cellular handsets and LED blinkers to LCD displays. Our leadership
position in I2C-bus devices offers you a vast portfolio to
address all your design needs. In addition many of these product groups
now include a higher speed I3C-bus or SPI interface.
Provides a scalable, medium-speed, utility and control bus for
connecting peripherals to an application processor
PCAL9722 - Industry First 22-bit GPIO with SPI for Industrial, IoT and
The PCAL9722 makes it easy to add 22 I/O channels. Users can truly
optimize their application with flexibility to set each channel to
be an input or output as well as use our innovative Agile I/O
features to configure the PCAL9722 registers.