10/100M MAC-support SMII/MII Interface
High-speed LAN controller, implements Carrier Sense Multiple Access with Collision Detection (CSMA/CD) algorithms defined by the IEEE 802.3 standard for media access control over Ethernet. Main feature list as follow:.
IEEE 802.3 compliant
Supports carrier extension an packet bursting
Supports half and full duplex operations
Supports full duplex flow control (IEEE 802.3x) and half duplex CSMA/CD
Automatic retries after collision (times and timing programmable)
FCS generation for transmit, check for receiving packets
Support MII/SMII/RMII interface to PHY layer(optional)


10/100/1000M MAC-Support TBI/RTBI/GMII/RGMII Interface
Giga-bit LAN controller , implements Carrier Sense Multiple Access with Collision Detection (CSMA/CD) algorithms defined by the IEEE 802.3/802.3z standard for media access control over Ethernet. Main feature list as follow:
IEEE 802.3z/802.3 compliant
Supports carrier extension an packet bursting
Supports half and full duplex operations
Supports full duplex flow control (IEEE 802.3x) and half duplex CSMA/CD
Automatic retries after collision (times and timing programmable)
FCS generation for transmit, check for receiving packets
Support 10/100M mode and 1000M mode
When work on 1000M mode, Support GMII/RGMII interface to PHY layer
When work on 1000M mode, Includes PCS block for SERDES interface to optical Gigabit PHY(optional, work on TBI/RTBI mode)
When work on 100M mode, Support MII/RMII interface to PHY layer


MAC-FIFO-Support 10/100/100M Mode
A FIFO Core which interface with MAC Core and Internal Core logic. Main Feature
Support 10/100/100M MAC
Buffer sizes configurable from 256K Bytes to 256 Bytes
Data queueable for increased system level throughput
Programmable high and low receive storage level indicators
Programmable high transmit storage level indicator
Programmable pause frame handshaking reassertion interval
Programmable frame or word cut threshold
Automatic pause frame handshaking logic
Transmit storage under-run indication
Transmit storage frame rewind capabilities
Clock Frequency independent I/O Ports
Graceful receive memory full frame drop, function configurable
Low gate count