DS3232S# datasheet by Maxim Integrated Products

DS3232S# Frequently Asked Questions (FAQs)

• What is the accuracy of the DS3232S# crystal oscillator?
  The DS3232S# has a typical accuracy of ±2 minutes per year at 25°C, and ±10 minutes per year over the -40°C to +85°C temperature range.
• How do I set the time on the DS3232S#?
  The time can be set using the I2C interface by writing to the hour, minute, and second registers. The time is set in 24-hour format, and the seconds register can be set to 0-59.
• What is the purpose of the EOSC pin on the DS3232S#?
  The EOSC (Enable Oscillator) pin is used to enable or disable the internal oscillator. When EOSC is high, the oscillator is enabled, and when it is low, the oscillator is disabled.
• Can the DS3232S# be used as a battery-backed RTC?
  Yes, the DS3232S# can be used as a battery-backed RTC. The device has a built-in battery switch that allows the RTC to continue running from a battery when the main power is removed.
• What is the maximum frequency of the SQW pin on the DS3232S#?
  The SQW (Square Wave) pin can output a frequency of up to 32.768 kHz, which is the same frequency as the internal oscillator.