PCF2112CT/1,112 datasheet by NXP Semiconductors

PCF2112CT/1,112 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for PCF2112CT/1,112?
  The recommended operating voltage range for PCF2112CT/1,112 is 1.8V to 5.5V, with a typical operating voltage of 3.3V.
• How do I configure the clock output frequency of PCF2112CT/1,112?
  The clock output frequency of PCF2112CT/1,112 can be configured by setting the appropriate values for the CLKOUT pin and the clock divider registers (CLK_DIV1 and CLK_DIV2). Refer to the datasheet for specific register settings and equations to calculate the output frequency.
• What is the maximum clock frequency that PCF2112CT/1,112 can support?
  The maximum clock frequency that PCF2112CT/1,112 can support is 32 kHz, which is the maximum frequency of the internal oscillator. However, the device can also be driven by an external clock source up to 50 MHz.
• How do I reset the PCF2112CT/1,112?
  The PCF2112CT/1,112 can be reset by pulling the RST pin low for at least 1.5 seconds. This will reset all registers to their default values and restart the device.
• What is the power consumption of PCF2112CT/1,112 in standby mode?
  The power consumption of PCF2112CT/1,112 in standby mode is typically around 0.5 μA, making it suitable for battery-powered applications.