Performs processing in response to the non-maskable interrupt (WUNI).
Remark This API function is called to run interrupt processing for the non-maskable interrupt (WUNI), which is generated when the down-counter underflows or refreshing proceeds outside the period where it is permitted.
[Syntax]
static void r_iwdt_nmi_interrupt ( void );
[Argument(s)]
None.
[Return value]
None.