STMPE811QTR datasheet by STMicroelectronics

STMPE811QTR Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the STMPE811QTR?
  The recommended operating voltage range for the STMPE811QTR is 1.71V to 3.6V.
• How do I configure the STMPE811QTR for I2C or SPI interface?
  The STMPE811QTR can be configured for I2C or SPI interface by setting the MODE pin high or low, respectively. For I2C, connect MODE to VDD, and for SPI, connect MODE to GND.
• What is the maximum frequency for the I2C interface?
  The maximum frequency for the I2C interface is 400 kHz.
• How do I reset the STMPE811QTR?
  The STMPE811QTR can be reset by pulling the RESET pin low for at least 10 ns.
• What is the purpose of the INT pin?
  The INT pin is an interrupt output that signals when a touch event is detected or when a gesture is recognized.