Ethernet GMAC

The Ethernet GMAC module of JH-7110 has the following features.
  • Compliant with IEEE 802.3 specifications
  • Support for IEEE 1588-2002 and IEEE 1588-2008 standards including:
    • IEEE 802.3-az for Energy Efficient Ethernet (EEE)
    • IEEE 802.3x flow control automatic transmission of zero-quanta pause frame on flow control input de-assertion.
    • IEEE 802.1Q VLAN tag detection for reception frames
  • Support data transfer rates of 10/100/1,000 Mbps auto-negotiation using the following PHY models
    • YT8521DH/DC
    • YT8531DH/DC
  • Support data transfer rates of 1,000 Mbps only using all other PHY models
  • Multiple TCP/IP offload functions supported

Power Management Module (PMT) with remote wake-up frame and magic packet frame processing options

  • RGMII interface to communicate with an external gigabit PHY.