Gigabit Ethernet 802.3 Media Access Controller (MAC)

Features

• General Functions:
• Full-duplex mode at 10/100/1000 Mbps and half-duplex mode at 10/100 Mbps
• IEEE 802.3-2008 compliant MII and GMII interfaces
• Independent 32-bit scatter-gather DMA with big/little endian operation
• Optional VLAN Q-Tag frame support
• CSMA/CD Protocol for half-duplex mode
• PAUSE frame based flow control in fullduplex mode
• MDIO/MDC management interface
• 802.3 compliant MIB, SNMP, RMON management support
• Configurable transmit and receive FIFOs
• Supports Jumbo frames
• Support magic packet and Wake-Up frames
• AHB master/slave interface
• Transmit Functions:
• Variable length Inter Frame Gap (IFG) on back to back frame transmission
• Variable length (3, 5, 7 bytes) preamble generation
• Automatic generation of FCS and PAD
• Option to disable PAD or CRC32
• Option to stop frame retransmission on collisions
• Receive Functions:
• Inter Frame Gap checking
• Preamble detection and stripping
• Flexible address filtering modes and inverse address filtering
• 64-bit hash table to filter multicast addresses
• Promiscuous mode of operation
• Reception of broadcast frames
• Automatic checking the FCS field, runt frames, and data field length
• Detection of MaxFrameLen frames, receive errors
• 32-bit status information on each receive frame
• Flow Control Functions:
• Software controlled PAUSE control frame generation including multicast and unicast address.
• Automatic detection and checking of PAUSE frames
• Option to block PAUSE frames

Benefits

• Fully compliant core with proven silicon
• Premier direct support from Arasan IP core designers
• Easy-to-use industry standard test environment
• Unencrypted source code allows easy implementation
• Customer training available
• Reuse Methodology Manual guidelines (RMM) compliant verilog code ensured using Spyglass

Deliverables

• RMM Compliant Synthesizable
• RTL design in Verilog
• Easy-to-use test environment
• Synthesis scripts
• Technical documents
• Sample device drivers