Cypress S6J3200 Series, Manual

Page: 577 / 1355

CHAPTER 21:Ethernet MAC
576 S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
1.
Overview
This section gives a brief overview of Ethernet MAC.
Features of the Ethernet MAC
−
Supports IEEE Std 802.1BA – Audio Video Bridging Systems
−
Supports IEEE Std 802.1Qav – Forwarding and Queuing Enhancements for Time-Sensitive
Streams
−
Supports IEEE Std 802.1AS – Timing and Synchronization for Time-Sensitive Application in
Bridged LAN’s
−
Supports IEEE Std 1588 – Precision Time Protocol
−
4 transmit and receive priority queues
−
16 screening type 1 registers to support up to 16 received priority queues
−
16 screening type 2 registers which combine matching of VLAN priority, EtherType, Compare A,
Compare B, and Compare C comparisons
−
full-duplex, 100Mbit/s operation
−
AMBA AXI Master Interface (32-bit address width, 64-bit data width)
Acronyms and Abbreviations
Acronym Description
BD Buffer Descriptor
CBS Credit Based Shaping
CFI Canonical Format Indicator
EEE Energy Efficient Ethernet (IEEE Std 802.3az)
EOF End Of Frame
FCS Frame Check Sequence
IP Internet Protocol
IPG Interpacket Gap
LAN Local Area Network (IEEE Std 802)
LLDP Link Layer Discovery Protocol (IEEE Std 802.1AB)
LPI Low-Power Idle
MAC Media Access Control (IEEE Std 802)
MDC Management Data Clock
MII Media Independent Interface
NSP Non-Standard Preamble
PCS Physical Control Sub-Layer
PFC Priority based Flow Control (IEEE Std 802.1Qbb)
PHY Physical sublayer
PPPoE Point-to-Point Protocol over Ethernet
PTP Precision Time Protocol (IEEE Std 1588)
RFC 791 DARPA Internet Program Protocol Specification
SerDes Serialiser/Deserialiser
SFD Start of Frame Delimiter