10/100非PCI以太网单芯片MAC + PHY
数据表
目录
LAN91C111修订.............................................................................................................................. 3
第1章
第2章
第3章
第4章
第5章
第6章
6.1
7.1
7.2
7.3
7.4
7.5
概述........................................................................................................... 7
引脚配置............................................................................................................. 8
方框图................................................................................................................ 10
信号Descriptions........................................................................................................... 13
引脚功能说明.............................................. ............................................. 14
信号说明参数............................................... ......................................... 19
实用Description..................................................................................................... 20
DMA Block............................................................................................................................................20
仲裁器模块.........................................................................................................................................20
缓冲区类型.................................................................................................................................... 19
时钟发生器.................................................................................................................... 20
CSMA / CD座.............................................................................................................................. 20
7.2.1
7.2.2
第7章
MMU模块...................................................................................................................................... 21
BIU Block......................................................................................................................................... 21
MAC -PHY Interface......................................................................................................................... 21
7.5.1
7.5.2
7.5.3
7.5.4
数据管理软件Implementation........................................................................................22
管理数据时序....................................................................................................................22
MI串口帧结构.............................................................................................................22
MII分组数据与外部PHY ...........................................通讯.................................. 24
7.6
7.7
串行EEPROM Interface................................................................................................................ 25
内部物理层.................................................................................................................... 25
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.7.6
7.7.7
7.7.8
7.7.9
7.7.10
7.7.11
7.7.12
7.7.13
7.7.14
7.7.15
7.7.16
7.7.17
7.7.18
MII Disable............................................................................................................................................27
编码器................................................................................................................................................27
解码器................................................................................................................................................27
时钟和数据恢复.....................................................................................................................28
扰码器.............................................................................................................................................29
解扰器.........................................................................................................................................29
双绞线传输器.......................................................................................................................30
双绞线接收器...........................................................................................................................33
碰撞................................................................................................................................................35
开始Packet...................................................................................................................................35
完Packet....................................................................................................................................36
链路完整性& Autonegotiation.........................................................................................................37
叽里咕噜...............................................................................................................................................40
接收极性Correction...............................................................................................................40
全双工模式..............................................................................................................................41
Loopback...........................................................................................................................................41
PHY掉电...............................................................................................................................42
PHY中断....................................................................................................................................42
7.8
8.1
8.2
8.3
8.4
8.5
8.6
重置............................................................................................................................................... 42
第8章
MAC数据结构和寄存器............................................. ................................. 43
帧格式缓冲区Memory..................................................................................................... 43
接收帧Status..................................................................................................................... 44
I / O Space......................................................................................................................................... 45
银行选择Register....................................................................................................................... 46
银行0 - 传输控制Register................................................................................................. 47
银行0 - EPH状态Register......................................................................................................... 48
修订版1.4 ( 03年12月12日)
第4页
SMSC LAN91C111版本B
数据表