STATUS (EFUSE) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

Document ID
UG1087
Release Date
2024-03-13
Revision
1.10

STATUS (EFUSE) Register Description

Register NameSTATUS
Offset Address0x0000000008
Absolute Address 0x00FFCC0008 (EFUSE)
Width32
TyperoRead-only
Reset Value0x00000000
DescriptionStatus

STATUS (EFUSE) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
AES_CRC_PASS 7roRead-only0x0Indicates that the AES key integrity check passed. This bit is only valid when AES_CRC_DONE is set.
AES_CRC_DONE 6roRead-only0x0Indicates that the AES key integrity chck has finished. Pass/Fail is indicated in the AES_CRC_PASS bit.
CACHE_DONE 5roRead-only0x0Indicates that the EFUSE Cache has completed loading
CACHE_LOAD 4roRead-only0x0Indicates that the EFUSE Cache is currently
being loaded.
Reserved 3roRead-only0x0Reserved
efuse_0_tbit 0roRead-only0x0Indicates if the TBIT pattern was successfully read from eFuse 0. If the TBIT pattern fails, RSA Authentication and AES eFuse key are disabled.
0: fail
1: pass