Template:Real Time Clock

History
Version	Issue Date	Notes
X.Y.Z	Month Year	TBD
[TBD_link X.Y.Z]	Month Year	TBD
...	...	...

Real Time Clock

TBD: se è presente un RTC specifico nel prodotto, riportare le ceratteristiche

TBD: di seguito un esempio dell'RTC del modulo Bora

This chapter describes the technical specifications and features for the RTC component on the {{{nome-som}}} module.

Features

An on-board Maxim Integrated DS3232 device provides a very accurate, temperature-compensated real-time clock (RTC) resource with:

• Temperature-compensated crystal oscillator
• Date, time and calendar
• Alarm capability
• Backup power from external battery
• ±3.5ppm accuracy from -40°C to +85°C
• 236 Bytes of Battery-Backed SRAM
• I²C Interface

Backup power is provided through the RTC_VBAT signal:

• on Bora it is connected to J2.113
• on Bora Lite it is connected to J1.22

If not used, RTC_VBAT must be externally connected to GND. For a detailed description of RTC characteristics, please refer to the DS3232 datasheet.

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