Functional description, 10/100/1000 ethernet mac, Functional description -1 – Altera Triple Speed Ethernet MegaCore Function User Manual
Page 37: 10/100/1000 ethernet mac -1
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Functional Description
2014.06.30
UG-01008
The Triple-Speed Ethernet MegaCore function includes the following functions:
• 10/100/1000 Ethernet MAC
• 1000BASE-X/SGMII PCS With Optional Embedded PMA
• Altera IEEE 1588v2
10/100/1000 Ethernet MAC
The Altera 10/100/1000 Ethernet MAC function handles the flow of data between user applications and
Ethernet network through an internal or external Ethernet PHY. Altera offers the following MAC variations:
• Variations with internal FIFO buffers—supports only single port.
• Variations without internal FIFO buffers—supports up to 24 ports and the ports can operate at different
speeds.
• Small MAC—provides basic functionalities of a MAC function using minimal resources.
Refer to
10/100/1000 Ethernet MAC Versus Small MAC
on page 1-2 for a feature comparison between
the 10/100/1000 Ethernet MAC and small MAC.
The MAC function supports the following Ethernet frames: basic, VLAN and stacked VLAN, jumbo, and
control frames. For more information about these frame formats, refer to
on page
12-1.
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