PM3350 Ver la hoja de datos (PDF) - PMC-Sierra
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PM3350 Datasheet PDF : 224 Pages
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ELAN 8X10
DATA SHEET
PMC-970109
ISSUE 3
PM3350 ELAN 8 X10
8 PORT ETHERNET SWITCH
Switch Processor Operating Environment.............................................. 65
Packet Buffers........................................................................................ 68
Data Descriptors .................................................................................... 71
Local Port Descriptor Tables.................................................................. 76
Expansion Port Descriptor Tables.......................................................... 85
Address Hash Table .............................................................................. 89
Work Queue........................................................................................... 98
Free Pools.............................................................................................. 99
Spanning Tree Support Data Structures .............................................. 100
RTOS Requirements............................................................................ 101
UDP/IP Protocol Stack Requirements.................................................. 102
SNMP Requirements ........................................................................... 102
Storage Requirements ......................................................................... 102
Switching System Initialization ...................................................................105
Switching Between Local Ports ..................................................................105
Switching Via The Expansion Bus..............................................................112
Address Learning and Aging ......................................................................124
Buffer and Queue Management .................................................................132
Statistics Collection ....................................................................................137
Messaging Protocol ....................................................................................141
Spanning Tree Operation ...........................................................................141
RTOS Operation.........................................................................................141
UDP/IP Protocol Stack Operation...............................................................141
SNMP Operation ........................................................................................141
Device Interface Via PCI ............................................................................141
Frame Transfer to Non-ELAN Devices ................................................ 141
Participation in Address Learning ........................................................ 141
Participation in the Messaging Protocol ............................................... 141
Accessing Variables and Statistics ...................................................... 141
Byte Ordering ....................................................................................... 142
ELAN 1x100 / ELAN 8x10 Expansion Bus Data Transfer Rates.......... 144
PCI REGISTER/MEMORY ACCESS ................................................................ 150
PCI Configuration Space............................................................................150
PCI Configuration Registers................................................................. 151
PCI Memory Space ....................................................................................160
Local Memory Access .......................................................................... 161
Device Control/Status Registers .......................................................... 162
Device Configuration Registers............................................................ 164
Device Debug Registers ...................................................................... 169
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND PMC-SIERRA, INC. CUSTOMERS ONLY
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