PCA9672 Key Features
- I2C-bus to parallel port expander
- 1 MHz I2C-bus interface (Fast-mode Plus I2C-bus)
- 8-bit remote I/O pins that default to inputs at power-up
- Latched outputs with 25 mA sink capability directly drive LEDs
- Total package sink capability of 200 mA
- Active LOW reset input
- Active LOW open-drain interrupt output
- Sixteen programmable slave addresses using two address pins
- Readable device ID (manufacturer, device type, and revision)
- Software reset