Description
The XRA1200/1200P is an 8-bit GPIO expander with an I2C/SMBus interface.
After power-up, the XRA1200 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled.
Features
- 1.65V to 3.6V operating voltage.
- 8 General Purpose I/Os (GPIOs).
- 5V tolerant inputs.
- Maximum stand-by current of 1uA at +1.8V.
- I2C/SMBus bus interface.
- I2C clock frequency up to 400kHz.
- Noise filter on SDA and SCL inputs.
- Up to 32 I2C Slave Addresses.
- Individually programmable inputs.
- Internal pull-up resistors.
- Polarity inversion.
- Individual interrupt enable.
- Rising edge and/or Falling edge interrupt.