PCF2100CT/F1,118 datasheet by NXP Semiconductors

PCF2100CT/F1,118 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for PCF2100CT/F1,118?
  The recommended operating voltage range for PCF2100CT/F1,118 is 1.8V to 5.5V.
• How do I ensure the oscillator starts up correctly?
  To ensure the oscillator starts up correctly, make sure to connect a 1-10 kΩ resistor between the XTAL1 pin and the crystal, and a 1-10 kΩ resistor between the XTAL2 pin and the crystal.
• What is the maximum clock frequency supported by PCF2100CT/F1,118?
  The maximum clock frequency supported by PCF2100CT/F1,118 is 32 kHz.
• How do I configure the PCF2100CT/F1,118 for low-power operation?
  To configure the PCF2100CT/F1,118 for low-power operation, set the clock frequency to the lowest possible value, disable unnecessary peripherals, and use the power-down mode when not in use.
• What is the purpose of the reset pin (RST) on PCF2100CT/F1,118?
  The reset pin (RST) on PCF2100CT/F1,118 is used to reset the device and return it to its default state. It can be connected to a push-button or a reset generator IC.