PCA85276ATT/AJ datasheet by NXP Semiconductors

PCA85276ATT/AJ Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for PCA85276ATT/AJ?
  The recommended operating voltage range for PCA85276ATT/AJ is 1.8 V to 3.6 V, with a typical voltage of 2.5 V.
• How do I configure the PCA85276ATT/AJ for I2C or SPI interface?
  The PCA85276ATT/AJ can be configured for I2C or SPI interface by setting the MODE pin high or low, respectively. For I2C, connect MODE to VCC, and for SPI, connect MODE to GND.
• What is the maximum clock frequency supported by PCA85276ATT/AJ?
  The maximum clock frequency supported by PCA85276ATT/AJ is 400 kHz for I2C and 10 MHz for SPI.
• How do I reset the PCA85276ATT/AJ?
  The PCA85276ATT/AJ can be reset by pulling the RESET pin low for at least 100 ns. This will reset the device to its default state.
• What is the purpose of the INT pin on PCA85276ATT/AJ?
  The INT pin is an interrupt output that can be used to signal to the microcontroller that an event has occurred, such as a change in the touch sensor state.