The SAM E70/S70/V70/V71 embeds an Internal ROM for the SAM Boot Assistant (SAM-BA®), In Application Programming functions (IAP) and Fast Flash Programming Interface (FFPI).
At any time, the ROM is mapped at address 0x0080 0000.
The ROM may also be mapped at 0x00000000 depending on GPNVM bit setting and ITCM use.