VB921ZVFI datasheet by STMicroelectronics

VB921ZVFI Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the VB921ZVFI?
  The recommended operating voltage range for the VB921ZVFI is 2.7V to 5.5V.
• How do I ensure the VB921ZVFI is properly powered on?
  To ensure proper power-on, connect the VCC pin to a stable voltage source, and make sure the EN pin is high (logic level 1) for at least 100 ns.
• What is the maximum current rating for the VB921ZVFI?
  The maximum current rating for the VB921ZVFI is 150 mA.
• How do I configure the VB921ZVFI for I2C or SPI mode?
  To configure the VB921ZVFI for I2C mode, connect the SCL pin to a clock signal and the SDA pin to a data signal. For SPI mode, connect the SCK pin to a clock signal, the MOSI pin to a data output, and the MISO pin to a data input.
• What is the purpose of the RST pin on the VB921ZVFI?
  The RST pin is an active-low reset input that resets the device when pulled low. It can be connected to a reset signal or a push-button reset circuit.