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PM3350义隆8 X10
ELAN 8X10
数据表
PMC-970109
问题3
8端口以太网交换机
PM3350
ELAN 8X10
8端口以太网交换机
数据表
问题3: 1998年4月
专有和机密与PMC - SIERRA , INC。,和PMC - SIERRA , INC 。客户只
PM3350义隆8 X10
ELAN 8X10
数据表
PMC-970109
问题3
8端口以太网交换机
专有和机密与PMC - SIERRA , INC。,和PMC - SIERRA , INC 。客户只
PM3350义隆8 X10
ELAN 8X10
数据表
PMC-970109
问题3
8端口以太网交换机
目录
特点...........................................................................................................五
BLOCK DIAGRAM................................................................................................. 7
DESCRIPTION...................................................................................................... 8
设备数据...................................................................................................... 9
Introduction.....................................................................................................9
开关Processor............................................................................................9
多通道DMA处理器............................................... .......................... 9
以太网/ IEEE 802.3 MAC接口............................................ ............... 10
扩展端口................................................ ............................................. 10
本地内存控制器............................................... ............................... 10
时钟和测试............................................... .......................................... 11
典型的系统应用............................................... .................... 12
简单的8端口交换机............................................. ....................................... 12
低成本的10/100 Mbit / s的交换机........................................ ............................. 12
主要特性与优势.............................................. ............... 14
线速分组交换............................................. .......................... 14
组合输入和输出缓冲开关.......................................... ..... 14
模块化design.............................................................................................14
高级交换功能............................................... ......................... 14
生成树桥接功能.............................................. ................. 15
管理和监控支持.............................................. ............. 15
通过自动配置本地PROM / EEPROM ............................................ ..15
PIN DIAGRAM..................................................................................................... 16
256引脚SBGA引脚图............................................ ............................ 16
引脚说明................................................ ............................................. 18
功能分组................................................ ..................................... 21
PCI扩展总线接口.............................................. ......................... 22
MAU接口引脚............................................... ....................................... 23
本地存储器接口............................................... ................................. 24
专有和机密与PMC - SIERRA , INC。,和PMC - SIERRA , INC 。客户只
i
PM3350义隆8 X10
ELAN 8X10
数据表
PMC-970109
问题3
8端口以太网交换机
时钟输入和输出.............................................. ............................... 25
其他输入和输出.............................................. ................. 26
直流特性................................................ .................................... 28
绝对最大额定值............................................... ........................... 28
推荐工作条件............................................... ........... 28
特区Characteristics......................................................................................29
交流特性................................................ ..................................... 30
PCI总线接口............................................... .......................................... 31
MAC接口................................................ .............................................. 32
存储器接口................................................ ......................................... 34
60 ns的EDO DRAM AC时序............................................ .................... 34
150 ns的EEPROM / EPROM AC时序........................................... ......... 34
Clocking........................................................................................................38
Miscellaneous...............................................................................................38
功能说明................................................ ............................ 39
Overview.......................................................................................................39
系统组件................................................ .................................... 39
系统框图............................................... ............................ 41
系统内存映射............................................... .............................. 43
器件内部模块............................................... ................................... 45
交换处理器................................................ ................................... 45
以太网MAC接口............................................... ......................... 46
多通道DMA控制器............................................... .................. 49
内存控制器................................................ .................................. 50
PCI扩展端口............................................... ................................. 51
看门狗定时器设施............................................... ......................... 55
配置和初始化............................................... ...................... 56
两步法.............................................. ..................................... 56
四个步骤.............................................. .................................... 56
设备配置................................................ .............................. 57
系统引导映像............................................... ......................... 59
配置参数................................................ ...................... 63
独立系统引导............................................. ......................... 63
主/从系统启动............................................. ........................ 63
主机控制的系统引导............................................. .................... 63
自检和错误报告............................................. ................... 64
数据结构................................................ ............................................ 65
专有和机密与PMC - SIERRA , INC。,和PMC - SIERRA , INC 。客户只
ii
PM3350义隆8 X10
ELAN 8X10
数据表
PMC-970109
问题3
8端口以太网交换机
交换处理器运行环境.............................................. 65
包缓冲区................................................ ........................................ 68
数据描述符................................................ .................................... 71
本地端口描述符表.............................................. .................... 76
扩展端口描述符表.............................................. ............ 85
地址哈希表............................................... ............................... 89
工作队列................................................ ........................................... 98
免费池................................................ .............................................. 99
生成树支持的数据结构............................................. 。 100
RTOS要求................................................ ............................ 101
UDP / IP协议栈的要求............................................ ...... 102
SNMP要求................................................ ........................... 102
存储要求................................................ ......................... 102
交换系统初始化............................................... .................... 105
本地交换端口之间.............................................. .................... 105
开关通过扩展总线............................................. ................. 112
地址学习和老化.............................................. ........................ 124
缓冲器和队列管理.............................................. ................... 132
统计信息收集................................................ .................................... 137
消息传递协议................................................ .................................... 141
生成树操作............................................... ............................ 141
RTOS Operation.........................................................................................141
UDP / IP协议栈操作............................................ ................... 141
SNMP操作................................................ ........................................ 141
设备接口,通过PCI .............................................. .............................. 141
帧转移到非ELAN设备........................................... ..... 141
参与地址学习.............................................. .......... 141
参与消息传递协议............................................. 141 ..
访问变量和统计.............................................. ........ 141
字节顺序................................................ ....................................... 142
义隆1× / 8×10义隆扩展总线的数据传输速率.......... 144
PCI寄存器/存储器访问............................................. ................... 150
PCI配置空间............................................... ............................. 150
PCI配置寄存器............................................... .................. 151
PCI内存空间............................................... ..................................... 160
本地内存访问............................................... ........................... 161
设备控制/状态寄存器............................................. ............. 162
设备配置寄存器............................................... ............. 164
设备调试寄存器............................................... ....................... 169
专有和机密与PMC - SIERRA , INC。,和PMC - SIERRA , INC 。客户只
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