XRA1207 Overview
The XRA1207 is a 16-bit GPIO expander with an I2C/ SMBus interface. After power-up, the XRA1207 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled. In addition, the GPIOs on the XRA1207 can individually be controlled and configured.
XRA1207 Key Features
- 1.65V to 3.6V operating voltage
- Integrated Level Shifters
- 16 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 4 I2C Slave Addresses
- Individually programmable inputs
XRA1207 Applications
- 1.65V to 3.6V operating voltage