CHAPTER 7-3: VBAT Domain(B)
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 313
2.2 RTC
The RTC of the FM4 Family is a calendar circuit with a 32 kHz frequency compensation function.
Overview of RTC Functions
The RTC has the following functions.
− Clock function
− Alarm function
− Timer function (It exists in Always on domain)
− Frequency compensation function
Configuration of RTC
For details of the functions of the RTC, see Chapter RTC Count Block in Timer Part.
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