The AMD UltraScale™ Devices Integrated 100G Ethernet subsystem provides a high performance, low latency 100 Gb/s Ethernet port that allows for a wide range of user customization and statistics gathering. The dedicated block provides both the 100G Ethernet media access control (MAC) and physical coding sublayer (PCS) logic with support for IEEE 1588-2008 [Ref 1] one-step and two-step hardware timestamping.
The 100G Ethernet subsystem provides three configurations: (CAUI-10) 10x10.3125G, (CAUI-4) 4x25.78125G, and runtime switchable between CAUI-4 and CAUI-10 mode. The 100G Ethernet subsystem is designed to the IEEE std 802.3-2012 [Ref 2] specification.