Remark

This API function is called to run interrupt processing for the carry interrupt (CUP), which is generated on carries from the seconds counter (RSECCNT) or binary counter 0 (BCNT0) or when the 64-Hz counter (R64CNT) is read at the same time as a carry from the 64-Hz counter (R64CNT).

static  void    r_rtc_cup_interrupt ( void );