Nonce Seed Value - 3.1 English

UltraScale+ Devices Integrated 100G Ethernet Subsystem Product Guide (PG203)

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3.1 English

The nonce_seed parameter must be set to a non-zero value. If you are connecting two ports with the same nonce seed on the same board, the resets must be released at different times.

If the nonce_seed is changed, an an_reset signal is needed to load the new value. This includes changing the value of nonce_seed using the AXI4-Lite registers.