Datasheet Details
| Part number | XRA1201 |
|---|---|
| Manufacturer | Exar (now MaxLinear) |
| File Size | 224.06 KB |
| Description | 16-BIT I2C/SMBUS GPIO EXPANDER |
| Datasheet |
 XRA1201 Datasheet
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General Description
The XRA1201/1201P is a 16-bit GPIO expander with an I2C/SMBus interface.
After power-up, the XRA1201 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled.
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.
- 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.
