Performs processing in response to the periodic interrupt (PRD).
Remark This API function is called to run interrupt processing for the periodic interrupt (PRD), which is generated when the period specified by R_RTC_Set_ConstPeriodInterruptOn elapses.
[Syntax]
static void r_rtc_prd_interrupt ( void );
[Argument(s)]
None.
[Return value]
None.