非PCI单芯片全双工以太网控制器
第13章
包Outlines........................................................................................................... 108
图列表
图3.1 - LAN91C96I的引脚配置QFP........................................................................................................9
图3.2
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LAN91C96I的引脚配置TQFP....................................................................................................10
图3.3 - 为本地总线系统图与引导PROM ....................................... ................................................ 11
图4.1 - LAN91C96I内部框图..........................................................................................................18
图5.1 - 定位和寻呼与接收和发送区...................................... ........................................ 21
图5.2 - 传输队列和Mapping................................................................................................................22
图5.3 - 接收队列和Mapping.................................................................................................................23
图5.4 - LAN91C96i内部框图与数据路径........................................ ......................................... 24
图5.5 - 逻辑地址产生和相关寄存器......................................... ...................................... 25
图6.1 - 数据包格式.................................................................................................................................29
图7.1 - LAN91C96I寄存器...............................................................................................................................32
图7.2 - 中断结构....................................................................................................................................54
图8.1 - 中断服务程序.........................................................................................................................63
图8.2 - RX INTR...................................................................................................................................................64
图8.3 - TX INTR ...................................................................................................................................................65
图8.4 - TXEMPTY INTR.......................................................................................................................................66
图8.5 - 驱动程序发送和分配例程..........................................................................................................67
图8.6 - 中断产生的发送;接收， MMU ............................................... .................................... 71
图9.1 - MMU包号流量和相关寄存器........................................ ......................................... 76
图10.1 - 64 ×16串行EEPROM Map.................................................................................................................83
图12.1 - 本地总线连续的读Cycles.......................................................................................................91
图12.2 - 本地总线连续的写周期.......................................................................................................92
图12.3 - 本地总线的连续读取和写入周期........................................ ............................................... 93
图12.4 - 数据寄存器特殊读访问......................................................................................................94
图12.5 - 数据寄存器写入特Access.......................................................................................................95
图12.6 - 8位模式寄存器周期....................................................................................................................96
图12.7 - 外部ROM读取访问..................................................................................................................97
图12.8 - 本地总线寄存器访问使用罢了。当........................................ ................................................. 98
图12.9 - 外部ROM读取访问使用罢了......................................... .................................................. ..... 99
图12.10 - EEPROM Read...................................................................................................................................100
图12.11 - EEPROM写...................................................................................................................................101
图12.12 - 外部ENDEC接口 - 开始发送的........................................ ........................................... 102
图12.13 - 外部ENDEC接口 - 接收数据......................................... ............................................... 102
图12.14 - 差分输出信号时序（ 10BASE - T和AUI ） .................................... ................................. 103
图12.15 - 接收时序 - 起始帧（ AUI和10BASE -T ）的.................................. ................................... 104
图12.16 - 接收时序 - 框架（ AUI和10BASE -T ）结束.................................. ..................................... 105
图12.17 - 定时发送 - 框架（ AUI和10BASE -T ）结束.................................. .................................... 105
图12.18 - 碰撞时序（ AUI ） ........................................................................................................................106
图12.19 - 存储器读Timing.........................................................................................................................106
图12.20 - 输入时钟时序.............................................................................................................................107
图12.21 - 内存写时序.........................................................................................................................107
。图13.1 - 100引脚QFP封装外形..............................................................................................................108
图13.2 - 100引脚TQFP封装外形............................................................................................................109
表格清单
表5.1 - LAN91C96I地址空间.......................................................................................................................26
表5.2 - 总线事务在本地总线模式.........................................................................................................26
表5.3 - 中断合并.......................................................................................................................................26
表5.4 - 复位逻辑...............................................................................................................................................27
表5.5 - 定义美国本地总线模式（请参阅表5.6对于下一步美国为了唤醒事件） ...................... 28
表5.6 - 本地总线模式.........................................................................................................................................28
表7.1 - 发送环路............................................................................................................................................36
表13.1 - 100引脚QFP封装参数........................................................................................................108
表13.2 - 100引脚TQFP封装参数......................................................................................................109
牧师07年3月28日
第4页
SMSC DS - LAN91C96I
数据表
SMSC [ SMSC CORPORATION ]
