PCA9672 Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt and reset Rev.
3 — 27 May 2013 Product data sheet 1.
General description The PCA9672 provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).
The devices consist of eight quasi-bidirectional ports, 1 MHz 30 mA drive I2C-bus interface, three hardware address inputs and a reset input operating between 2.
3 V and 5.
5 V.
1 MHz I2C-bus Fast-mode Plus (Fm+) can support PWM dimming of LEDs, and higher I2C-bus drive 30 mA allows more devices to be on the bus without the need for bus buffers.
The quasi-bidirectional port can be independently assigned as an input to ...

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