SWCU191 February 2022 CC1311P3 , CC1311R3 , CC2651P3 , CC2651R3 , CC2651R3SIPA
This section defines data types used in describing the data structures used for communication between the system CPU and the radio CPU. The data structures are listed with tables. The Byte Index is the offset from the pointer to that structure. Multibyte fields are little endian, and halfword or word alignment is required. For bit numbering, 0 is the LSB. The R/W column is used as follows:
R: The system CPU can read a result back; the radio CPU does not read the field.
W: The system CPU writes a value, the radio CPU reads it and does not modify the value.
R/W: The system CPU writes an initial value, the radio CPU may modify the initial value.