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

puf_tm_tr (CSU) Register

puf_tm_tr (CSU) Register Description

Register Namepuf_tm_tr
Relative Address0x0000004814
Absolute Address 0x00FFCA4814 (CSU)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionPUF Testmode Test Results

puf_tm_tr (CSU) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
US25:24rwNormal read/write0x0Unused States.
0x0: No UNUSED state entered.
Else: UNUSED state entered. Reset can only bring the state machine out.
ER23:16rwNormal read/write0x00x0: No oscillator FAILED range test.
Else: some oscillators have FAILED range test.
Note: This doesnt exactly give information which oscillaotr failed
Reserved15:1rwNormal read/write0x0Reserved
FRR 0rwNormal read/write0x0Frequency Range Test Result.
0x0: Frequency range test PASSED
0x1: Frequency range test FAILED