M41ST87WMX6 datasheet by STMicroelectronics

M41ST87WMX6 Frequently Asked Questions (FAQs)

• What is the recommended crystal oscillator frequency for the M41ST87WMX6?
  The recommended crystal oscillator frequency for the M41ST87WMX6 is 32.768 kHz, which is a standard frequency for real-time clocks.
• How do I ensure the accuracy of the RTC in the M41ST87WMX6?
  To ensure the accuracy of the RTC, it is recommended to use a high-quality crystal oscillator, maintain a stable power supply, and avoid exposing the device to extreme temperatures or electromagnetic interference.
• Can the M41ST87WMX6 be used in battery-backed mode?
  Yes, the M41ST87WMX6 can be used in battery-backed mode, which allows the RTC to continue running even when the main power supply is interrupted. This is achieved by connecting a battery to the VBAT pin.
• How do I interface the M41ST87WMX6 with a microcontroller?
  The M41ST87WMX6 can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The specific interface used will depend on the microcontroller and the application requirements.
• What is the maximum operating temperature range for the M41ST87WMX6?
  The maximum operating temperature range for the M41ST87WMX6 is -40°C to +85°C, making it suitable for use in a wide range of industrial and commercial applications.