The recommended operating voltage range for AN2131QC is 2.7V to 3.6V.
The AN2131QC can be configured for I2C or SPI interface by setting the MODE pin high or low during power-up. For I2C, set MODE pin high, and for SPI, set MODE pin low.
The AN2131QC supports a maximum clock frequency of 20 MHz for I2C and 10 MHz for SPI.
The AN2131QC can be reset by pulling the RESET pin low for at least 10 ns. The device will reset to its default state after the RESET pin is released.
The WAKEUP pin is used to wake up the device from standby mode. When the WAKEUP pin is pulled high, the device will exit standby mode and resume normal operation.