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40Gbps Ethernet MAC and PHY IP Overview
As mentioned in previous sections, the 40G Ethernet sub-system consists of 40G MAC and PHY sub-
modules. The MAC client side data path interface has two options: Avalon ST interface and Custom ST
interface. This reference design uses an Avalon-ST interface which includes interface adapter. This
adapter then provides a standard Avalon-ST interface for the MAC client. The MAC connects to the PHY
core over XLGMII interface. The 40G Ethernet IP core can be demonstrated as the following simplified
diagram:
Figure 2 Ethernet MAC and PHY IP
Additional Functional Details of 40GE Ethernet IP Core:
The additional details of the IP core can be found in the User guide. The IP core evaluation package and
the user guide can be downloaded from Altera website:
http://www.altera.com/products/ip/iup/ethernet/m-alt-40-100gb-ethernet.html