【DAVICOM半导体公司DM820310/100 Mbps的2端口以太网开关控制器与MII / RM】,IC型号DM8203EP,DM8203EP PDF资料,DM8203EP经销商,ic,电子元器件-51电子网

DAVICOM半导体公司

DM8203

10/100 Mbps的2端口以太网开关控制器

与MII / RMII接口

数据表

初步

版本： DM8203 - DS- P05

2008年10月23日

DM8203

与MII / RMII接口2端口交换机

内容

一般DESCRIPTION............................................................................................... 8

BLOCK DIAGRAM........................................................................................................... 8

特点...................................................................................................................... 9

引脚配置................................................ .................................................. 10

引脚说明........................................................................................................ 11

5.1 P2 MII / RMII / MII反转Interfaces....................................................................................................................... 11

5.1.1 MII接口

......................................................................................................................................................... 11

5.1.2 RMII接口

...................................................................................................................................................... 11

5.1.3反向MII接口

......................................................................................................................................... 12

5.2 EEPROM Interfaces....................................................................................................................................................... 12

5.3 LED Pins.......................................................................................................................................................................... 12

5.4时钟Interface................................................................................................................................................................ 13

5.5网络Interface........................................................................................................................................................... 13

5.6其他Pins.......................................................................................................................................................... 13

5.7电源Pins....................................................................................................................................................................... 13

5.8带针表............................................................................................................................................................... 14

控制和状态寄存器组............................................. ...................... 15

6.1 EEPROM & PHY控制寄存器（ 0BH ） .................................................................................................................. 16

初步数据表

DM8203-15-DS-P05

2008年10月23日

DM8203

与MII / RMII接口2端口交换机

6.2 EEPROM & PHY地址寄存器（ 0CH ） ................................................................................................................. 16

6.3 EPROM & PHY数据寄存器（ 0DH 0EH ） ................................................................................................................ 16

6.4供应商ID注册(28H~29H)..................................................................................................................................... 16

6.5产品ID寄存器（ 2AH 2BH ） .................................................................................................................................. 16

6.6端口2驱动能力注册(3AH)...................................................................................................................... 16

6.7开关控制寄存器（ 52H ） ...................................................................................................................................... 17

6.8 VLAN控制寄存器(53H)....................................................................................................................................... 17

6.9开关状态寄存器（ 54H ） ......................................................................................................................................... 17

6.10每端口控制/状态变址寄存器（ 60H ） ........................................................................................................... 18

6.11每端口控制数据寄存器（ 61H ） ........................................................................................................................ 18

6.12每端口的状态数据寄存器（ 62H ） ........................................................................................................................... 19

6.13每端口转发控制寄存器(65H).................................................................................................................. 19

6.14每端口入口/出口控制寄存器(66H)........................................................................................................ 20

6.15带宽控制设置寄存器（ 67H ） ................................................................................................................ 21

6.16每端口座单播端口控制寄存器（ 68H ） ....................................... .................................................. ...... 21

6.17每端口模块端口的组播控制寄存器（ 69H ） ....................................... .................................................. ... 22

6.18每端口广播座端口控制寄存器（ 6AH ） ....................................... .................................................. 22

6.19每端口座未知的端口控制寄存器（ 6BH ） ....................................... .................................................. .. 22

6.20每端口优先级队列控制寄存器（ 6DH ） ...................................................................................................... 22

6.21每端口的VLAN Tag，低字节寄存器（ 6EH ） .......................................................................................................... 22

初步数据表

DM8203-15-DS-P05

2008年10月23日

DM8203

与MII / RMII接口2端口交换机

6.22每端口的VLAN Tag，高字节寄存器（ 6FH ） ......................................................................................................... 23

6.23 MIB计数器端口索引寄存器(80H).................................................................................................................... 23

6.24 MIB计数器数据寄存器（ 81H 84H ） ...................................................................................................................... 23

6.25 VLAN分组表寄存器(B0H~BFH)............................................................................................................. 24

6.26 TOS优先级映射寄存器（ C0H CFH ） .................................................................................................................. 24

6.27 VLAN优先级映射寄存器（ D0H D1H ） ............................................................................................................... 27

EEPROM FORMAT........................................................................................................ 28

PHY寄存器.......................................................................................................... 31

8.1基本模式控制寄存器（ BMCR ） - 00H .............................................................................................................. 32

8.2基本模式状态寄存器（ BMSR ） - 01H ................................................................................................................. 33

8.3 PHY ID标识符寄存器＃ 1 （ PHYID1 ） - 02H.......................................................................................................... 34

8.4 PHY ID标识符寄存器＃ 2 （ PHYID2 ） - 03H.......................................................................................................... 34

8.5自动协商广告寄存器（ ANAR ） - 04H ....................................... .................................................. 35

8.6自动协商链路伙伴能力寄存器（ ANLPAR ） - 05H ..................................... ...................................... 36

8.7自动协商扩展寄存器（ ANER ） - 06H ....................................... .................................................. ......... 37

8.8 DAVICOM指定的配置寄存器（ DSCR ） - 10H ........................................ ............................................ 37

8.9 DAVICOM指定的配置和状态寄存器（ DSCSR ） - 11H ...................................... ......................... 39

8.10 10BASE -T配置/状态（ 10BTCSR ） - 12H ...................................... .................................................. ......... 40

8.11掉电控制寄存器（ PWDOR ） - 13H........................................................................................................ 40

8.12 （指定配置）寄存器 - 14H ................................................................................................................................ 41

初步数据表

DM8203-15-DS-P05

2008年10月23日

DM8203

与MII / RMII接口2端口交换机

8.13 DAVICOM指定的接收错误计数器寄存器（ RECR ） - 16H ...................................... ............................. 42

8.14 DAVICOM指定断开计数器寄存器（ DISCR ） - 17H ....................................... ................................ 42

8.15节电控制寄存器（ PSCR ） - 1DH.......................................................................................................... 42

功能说明................................................ ....................................... 43

9.1串行管理接口........................................................................................................................................ 43

9.2开关功能： .............................................................................................................................................................. 44

9.2.1地址学习

.................................................................................................................................................. 44

9.2.2应对老龄化问题

....................................................................................................................................................... 44

9.2.3数据包转发

................................................................................................................................................ 44

9.2.4包间间隔(IPG).........................................................................................................................................

9.2.5回退Algorithm.................................................................................................................................................

9.2.6逾期碰撞

......................................................................................................................................................... 44

9.2.7全双工流控

...................................................................................................................................... 44

9.2.8半双工流控

..................................................................................................................................... 44

9.2.9分区Mode........................................................................................................................................................

9.2.10广播风暴过滤

.................................................................................................................................. 45

9.2.11带宽Control...............................................................................................................................................

9.2.12端口监控支持

..................................................................................................................................... 45

9.2.13 VLAN Support......................................................................................................................................................

9.2.13.1基于端口的VLAN

............................................................................................................................................ 46

基于802.1Q 9.2.13.2 VLAN.......................................................................................................................................

9.2.13.3标记/取消标记

......................................................................................................................................................... 46

9.2.14优先Support....................................................................................................................................................

9.2.14.1基于端口的优先级

.......................................................................................................................................... 47

9.2.14.2基于802.1p Priority......................................................................................................................................

基于DiffServ的9.2.14.3 Priority....................................................................................................................................

9.3 MII Interface................................................................................................................................................................... 48

9.3.1 MII数据interface...................................................................................................................................................

9.3.2 MII串行管理

........................................................................................................................................ 48

初步数据表

DM8203-15-DS-P05

2008年10月23日