9.1.2.2 Workflow

Enable the User Reset interrupt:
rstc_disable_user_reset(RSTC);
NVIC_DisableIRQ(RSTC_IRQn);
rstc_enable_user_reset_interrupt(RSTC);
NVIC_ClearPendingIRQ(RSTC_IRQn);
NVIC_SetPriority(RSTC_IRQn, 0);
NVIC_EnableIRQ(RSTC_IRQn);