XRA1404 Overview
The XRA1404 is an 8-bit GPIO expander with an SPI interface. After power-up, the XRA1404 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled. In addition, the GPIOs on the XRA1404 can individually be controlled and configured.
XRA1404 Key Features
- 1.65V to 3.6V operating voltage
- Integrated level shifters
- 8 General Purpose I/Os (GPIOs)
- 5V tolerant inputs
- Maximum stand-by current of 1uA at +1.8V
- SPI bus interface
- SPI Clock Frequency up to 26MHz
- Individually programmable inputs
- Internal pull-up resistors
- Polarity inversion
XRA1404 Applications
- SPI Clock Frequency up to 26MHz
