Register Write Protection Lock

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English

Further protection is provided by using a secure configuration register lock. Once set, it prevents all further write accesses to the security register subset of the SLCR, regardless of its security status, until a power-on reset is detected.