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What are the differences between EMAC on ADSP-SC598 processor family as compared to ADSP-SC594 processor family?

Category: Software

What are the differences between EMAC on ADSP-SC598 processor family as compared to ADSP-SC594 processor family?

  • The EMAC on ADSP-SC598 processor family has a lot of new features and enhancements as compared to that on ADSP-SC594 processor family. The table below summarizes the feature similarities and differences between the two processsor families for both EMAC0 and EMAC1. 

    Feature EMAC0 EMAC1
    SC594 SC598 SC594 SC598
    Speed 10/100/1000 Mbps 10/100 Mbps
    Line Interface MII, RMII, RGMII RMII
    Queue/Channel-based VLAN Tag
    Insertion on Tx
    No Yes No
    Additional MAC Address Registers 1 31 1
    Address Filter Hash Table Size in bits 64 256 64
    Extended RX VLAN Tag-based Filters 0 4 0 4
    Layer 3 and Layer 4 Filters 1 8 1
    Multicast Packet Duplication Support No Yes No
    Number of Tx/Rx Queues and
    DMA Channels
    3 8 1
    Data Center Bridging (DCB) No Yes No
    Audio Video Bridging (AVB) Yes No
    Additional AVB DMA channels 2 7 N/A
    Precision Time Protocol (PTP) Yes No
    PTP - Number of Auxiliary snapshots 4 with 4 deep FIFO 4 with 16 deep FIFO N/A
    PTP - Timestamp Offloading (Auto
    Send PTP frames)
    No Yes N/A
    PTP - One Step Timestamp No Yes N/A
    TSN-EST (Enhancements to
    Scheduling Traffic) (802.1Qbv)
    No Yes No
    Frame Preemption (802.3br, 802.1Qbu) No Yes No
    Time Based Scheduling (launch
    time)
    No Yes No
    TCP Segmentation Offloading for
    TCP/IP Packets
    No Yes No
    Split Header Feature No Yes No
    IPv4 ARP Offload No Yes No
    Energy Efficient Ethernet (EEE) Yes Yes No