CHAPTER 7-2: VBAT Domain(A)
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 259
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
− Frequency compensation function
Configuration of RTC
For details of the functions of the RTC, see Chapter "RTC Count Block" in Timer Part.