CC2538SF53
The CC2538SF53 is the Cortex-M3 IEEE 802.15.4 MCU on the TI CC2538DK. See the board page for the pin map, support matrix and validation evidence:
→ CC2538DK
This part-level page exists so the model-rating table links to the promoted
board package. The earlier auto-generated cc2538 onboarding report exercised
a staged descriptor with a generic UART fixture on a placeholder memory map;
that is not the promoted UART+LED L1 package.