CHAPTER 21:Ethernet MAC
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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
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Supports IEEE Std 802.1BA – Audio Video Bridging Systems
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Supports IEEE Std 802.1Qav – Forwarding and Queuing Enhancements for Time-Sensitive
Streams
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Supports IEEE Std 802.1AS – Timing and Synchronization for Time-Sensitive Application in
Bridged LAN’s
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Supports IEEE Std 1588 – Precision Time Protocol
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4 transmit and receive priority queues
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16 screening type 1 registers to support up to 16 received priority queues
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16 screening type 2 registers which combine matching of VLAN priority, EtherType, Compare A,
Compare B, and Compare C comparisons
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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
Содержание S6J3200 Series
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