Datasheet Details
| Part number | XRA1403 |
|---|---|
| Manufacturer | Exar (now MaxLinear) |
| File Size | 214.50 KB |
| Description | 16-BIT SPI GPIO EXPANDER |
| Datasheet |
 XRA1403 Datasheet
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General Description
The XRA1403 is an 16-bit GPIO expander with an SPI interface.
After power-up, the XRA1403 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled.
In addition, the GPIOs on the XRA1403 can individually be controlled and configured.
Key Features
- 1.65V to 3.6V operating voltage.
- 16 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.
- Individual interrupt enable.
- Rising edge and/or Falling edge interrupt.
- Input filter.
- Individually programmable outputs.
- Output Level Contr.
