KSZ8895ML 데이터 시트보기 (PDF) - Micrel
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KSZ8895ML Datasheet PDF : 128 Pages
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Micrel, Inc.
KSZ8895MQX/RQX/FQX/ML
Migration .................................................................................................................................................................... 41
Aging.......................................................................................................................................................................... 42
Forwarding ................................................................................................................................................................. 42
KSZ8895MQX/RQX/FQX/ML will not forward the following packets:.................................................................... 42
Switching Engine ....................................................................................................................................................... 42
Media Access Controller (MAC) Operation ............................................................................................................... 42
Inter-Packet Gap (IPG) .......................................................................................................................................... 42
Backoff Algorithm ................................................................................................................................................... 42
Late Collision.......................................................................................................................................................... 42
Illegal Frames......................................................................................................................................................... 42
Flow Control ........................................................................................................................................................... 42
Half-Duplex Back Pressure .................................................................................................................................... 44
Broadcast Storm Protection ................................................................................................................................... 45
MII Interface Operation .............................................................................................................................................. 46
Port 5 PHY 5 P5-MII/RMII Interface .......................................................................................................................... 46
Port 5 MAC 5 Switch SW5-RMII Interface for the KSZ8895RQX ............................................................................. 48
SNI Interface Operation ............................................................................................................................................. 50
Advanced Functionality ................................................................................................................................................. 51
QoS Priority Support .................................................................................................................................................. 51
Port-Based Priority ................................................................................................................................................. 51
802.1p-Based Priority ............................................................................................................................................ 51
DiffServ-Based Priority........................................................................................................................................... 52
Spanning Tree Support ............................................................................................................................................. 52
Rapid Spanning Tree Support ................................................................................................................................... 53
Tail Tagging Mode ..................................................................................................................................................... 54
IGMP Support ............................................................................................................................................................ 55
IGMP Snooping...................................................................................................................................................... 55
IGMP Send Back to the Subscribed Port............................................................................................................... 55
Port Mirroring Support ............................................................................................................................................... 55
“Receive Only” mirror on a port.............................................................................................................................. 55
“Transmit Only” mirror on a port............................................................................................................................. 55
“Receive and Transmit” mirror on two ports .......................................................................................................... 55
VLAN Support ............................................................................................................................................................ 55
Rate Limiting Support ................................................................................................................................................ 56
Ingress Rate Limit .................................................................................................................................................. 56
Egress Rate Limit................................................................................................................................................... 57
Transmit Queue Ratio Programming ..................................................................................................................... 57
Filtering for Self-Address, Unknown Unicast/Multicast Address and Unknown VID Packet/IP Multicast ................. 57
Configuration Interface .................................................................................................................................................. 57
I2C Master Serial Bus Configuration .......................................................................................................................... 57
April 28, 2014
5
Revision-1.1
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