Zynq UltraScale+ Devices Register Reference > Module Summary > CSU Module > aes_status (CSU) Register

aes_status (CSU) Register

aes_status (CSU) Register Description

Register Nameaes_status
Relative Address0x0000001000
Absolute Address 0x00FFCA1000 (CSU)
Width32
TyperoRead-only
Reset Value0x00000F00
DescriptionAES Status

aes_status (CSU) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
okr_zeroed11roRead-only0x1Indicates that the OPERATIONAL key has been zeroed.
boot_zeroed10roRead-only0x1Indicates that the BOOT key has been zeroed.
kup_zeroed 9roRead-only0x1Indicates that the KUP key has been zeroed.
aes_key_zeroed 8roRead-only0x1Indicates that the AES key has been zeroed.
Reserved 7:6roRead-only0x0Reserved. Do not modify.
Reserved 5roRead-only0x0reserved.
key_init_done 4roRead-only0x0Indicates that the key has been initialized in the AES
gcm_tag_pass 3roRead-only0x0Indicates the GCM tag passed
done 2roRead-only0x0Indicates the AES is done with the current operation
ready 1roRead-only0x0Indicates the AES is ready to receive data
busy 0roRead-only0x0Indicates the AES is busy, key loading and start message is ignored