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

puf_cmd (CSU) Register

puf_cmd (CSU) Register Description

Register Namepuf_cmd
Relative Address0x0000004000
Absolute Address 0x00FFCA4000 (CSU)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionPUF Command

puf_cmd (CSU) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
CMD 3:0rwNormal read/write0x0PUF command, sends the PUF service request to the CSU Secure Processor.
0x6 - Clear PUF status
0x5 - Read out regeneration status
0x4 - Key regeneration
0x1 - Key registration