SWCU192 November 2021 CC1312R7 , CC1352P7 , CC2652P7 , CC2652R7
The Arm® Cortex®-M4F processor supports 32-bit words, 16-bit halfwords, and 8-bit bytes. The processor also supports 64-bit data transfer instructions. All instruction and data memory accesses are little endian. For more information, see Cortex-M3/M4F Instruction Set Technical User's Manual.