bbram_status (BBRAM) Register

Zynq UltraScale+ Devices Register Reference (UG1087)

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

bbram_status (BBRAM) Register Description

Register Namebbram_status
Offset Address0x0000000000
Absolute Address 0x00FFCD0000 (BBRAM)
Width32
TyperoRead-only
Reset Value0x00000000
DescriptionBBRAM Status

bbram_status (BBRAM) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
aes_crc_pass 9roRead-only0x0Indicates that the AES key integrity check passed. This bit is only valid when AES_CRC_DONE is set.
aes_crc_done 8roRead-only0x0Indicates that the AES key integrity check has finished. Pass/Fail is indicated in the AES_CRC_PASS bit.
Reserved 7:5roRead-only0x0Reserved
bbram_zeroized 4roRead-only0x0This bit indicates when a zerization command has been successful. This bit will only get set after a zerize command is issued (either BBRAM_CTRL[ZEROIZE] or PGM_MODE).
Reserved 3:1roRead-only0x0Reserved
pgm_mode 0roRead-only0x0This bit indicates that the BBRAM is in programming mode. Entering programming mode will zeroize the current contents of the BBRAM and enable new contents to be loaded. The AES key integrity check can also be performed when the BBRAM is in programming mode.