PCF85162T/1,118 datasheet by NXP Semiconductors

PCF85162T/1,118 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency for the I2C interface?
  The maximum clock frequency for the I2C interface is 400 kHz.
• How do I configure the PCF85162T/1,118 for a 5V supply voltage?
  To configure the PCF85162T/1,118 for a 5V supply voltage, connect the VDD pin to 5V and ensure the voltage regulator is disabled by connecting the VREG_EN pin to GND.
• What is the purpose of the internal voltage regulator?
  The internal voltage regulator is used to generate a stable 3.3V supply voltage for the internal circuitry, allowing the device to operate from a single 5V supply voltage.
• How do I reset the PCF85162T/1,118?
  The PCF85162T/1,118 can be reset by pulling the RESET pin low for at least 1 ms.
• What is the maximum current rating for the output drivers?
  The maximum current rating for the output drivers is 25 mA per pin.