Performs processing in response to the overflow interrupt.
Remark This API function is called to run interrupt processing for the overflow interrupt, which is generated in response to an overflow of the timer counter (TCNT).
[Syntax]
static void r_mtu3_cj_tcivn_interrupt ( void );
Remark j is the relationship channel number, and n is the channel number.
[Argument(s)]
None.
[Return value]
None.