Performs processing in response to the carry interrupt (CUP).
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).
[Syntax]
static void r_rtc_cup_interrupt ( void );
[Argument(s)]
None.
[Return value]
None.