SWRA741 February 2022 CC2651P3 , CC2651R3
For the migration of CC26x0 to CC26x2R please read Hardware Migration From CC26x0 to CC26x2R. The CC2651R3 is a downscaled version of CC652R with 32 kB of RAM, 352 kB of flash, and a cortex M4. The two devices are pin to pin compatible in the RGZ package and a PCB design made for the CC26x0 can be reused for the CC2651R3 with required BOM changes. The CC2651R3 in 5x5 the RKP package is not compatible with the CC2640 5x5 RHB package.