SWCU193 April 2023 CC2340R2 , CC2340R5 , CC2340R5-Q1
The radio has three interrupts to the system side. Each of the interrupts have the same 32 possible sources internally in the radio. Settings in the interrupt mask registers LRFDDBELL.IMASKn are used to configure the radio internal events to be the trigger sources for the three individual interrupts.. The raw state of the internal interrupt sources can be read from LRFDDBELL.RISn, and the masked interrupt source status can be read from LRFDDBELL.MISn. If any of the bits in the LRFDDBELL.MISn registers are set then the corresponding interrupt line to the system side is triggered. To clear the interrupt source, set the corresponding bit in the LRFDDBELL.ICLRn register. An internal interrupt source flag can be set by setting the corresponding bit in the LRFDDBELL:ISETn register.