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DM9000BI

工业级以太网控制器与通用处理器接口

DAVICOM半导体公司

DM9000BI

工业级以太网控制器

与通用处理器接口

数据表

初步

版本： DM9000BI - DS- P02

2008年1月17日

初步

版本： DM9000BI -13 -DS- P02

2008年1月17日

DM9000BI

工业级以太网控制器与通用处理器接口

内容

1.一般Description........................................................................................................... 6

2座Diagram.................................................................................................................... 6

3 。 Features.............................................................................................................................. 7

4.引脚Configuration............................................................................................................... 8

4.1 （ 16位模式） ................................................................................................................................................. 8

4.2（ 8位模式） ................................................................................................................................................... 9

5.引脚说明................................................................................................................ 10

5.1处理器接口..................................................................................................................................... 10

5.1.1 8位模式pins......................................................................................................................................... 10

5.2 EEPROM Interface...................................................................................................................................... 11

5.3时钟接口............................................................................................................................................ 11

5.4 LED接口.............................................................................................................................................. 11

5.5 10/100 PHY/Fiber........................................................................................................................................ 11

5.6 Miscellaneous.............................................................................................................................................. 12

5.7电源引脚.................................................................................................................................................. 12

5.8带针表............................................................................................................................................ 12

6.供应商控制和状态寄存器集.......................................... .............................. 13

6.1网络控制寄存器（ 00H ） .................................................................................................................. 14

6.2网络状态寄存器(01H).................................................................................................................... 15

6.3 TX控制寄存器(02H)........................................................................................................................... 15

6.4 TX状态寄存器I（ 03H ）分组指数I ...................................... .................................................. .... 15

6.5 TX状态寄存器II （ 04H ）分组指数I I ..................................... .................................................. .. 16

6.6 RX控制寄存器（ 05H ） ........................................................................................................................ 16

6.7 RX状态寄存器（ 06H ).......................................................................................................................... 16

6.8接收溢出计数器寄存器（ 07H ） .......................................... .................................................. .... 17

6.9反压门限寄存器（ 08H ） .......................................... .................................................. ....... 17

6.10流量控制门限寄存器（ 09H ） .......................................... .................................................. ...... 17

6.11 RX / TX流量控制寄存器（ 0AH )........................................................................................................ 18

6.12 EEPROM & PHY控制寄存器（ 0BH ） ......................................... .................................................. .... 18

6.13 EEPROM & PHY地址寄存器（ 0CH ） ......................................... .................................................. ... 18

6.14 EEPROM & PHY数据寄存器（ EE_PHY_L ： 0DH

初步

版本： DM9000BI -13 -DS- P02

2008年1月17日

EE_PHY_H ： 0EH ） .............................................. ... 18

DM9000BI

工业级以太网控制器与通用处理器接口

6.15唤醒控制寄存器（ 0FH ）（在8位模式） ................................... ................................................. 19

6.16物理地址寄存器（ 10H 15H ） ......................................... .................................................. ........ 19

6.17多播地址寄存器（ 16H 1DH ） ......................................... .................................................. ....... 19

6.18通用控制寄存器（ 1EH ）（仅适用于8位模式， 16位模式，见章。 34H ） ...... 19

6.19通用寄存器（ 1FH ）（对于8位模式下， 16位模式，见章。 34H ） ..................... 20

6.20 TX SRAM读指针地址寄存器（ 22H 23H ） ..................................... ....................................... 20

6.21 RX SRAM写指针地址寄存器（ 24H 25H ） ..................................... ....................................... 20

6.22供应商ID寄存器（ 28H 29H ） ................................................................................................................. 20

6.23产品ID寄存器（ 2AH 2BH ） ............................................................................................................... 20

6.24芯片版本寄存器（ 2CH ） ................................................................................................................... 20

6.25发送控制寄存器2 （ 2DH ).......................................................................................................... 20

6.26操作测试控制寄存器（ 2EH ） .......................................... .................................................. ....... 21

6.27特殊模式控制寄存器（ 2FH ） ..................................................................................................... 21

6.28早传输控制/状态寄存器（ 30H ） ........................................ ................................................. 22

6.29校验和控制寄存器（ 31H ） ........................................................................................................ 22

6.30接收校验和状态寄存器（ 32H ） ......................................... .................................................. 22

6.31 MII PHY地址寄存器（ 33H ） ............................................................................................................ 23

6.32 LED引脚控制寄存器（ 34H ） .............................................................................................................. 23

6.33处理器总线控制寄存器（ 38H ).................................................................................................... 23

6.34 INT引脚控制寄存器（ 39H ） ............................................................................................................... 24

6.35系统时钟接通控制寄存器（ 50H ） ........................................ .............................................. 24

6.36恢复系统时钟控制寄存器（ 51H ） ......................................... .............................................. 24

6.37内存数据预取读命令没有地址增量寄存器（ F0H ） ............................ 24

6.38存储器数据读取命令没有地址增量寄存器（ F1H ） ..................................... ....... 24

6.39存储器数据读取命令与地址增量寄存器（ F2H ） ..................................... ............ 24

6.40内存数据的读地址寄存器（ F4H F5H ） ....................................... ............................................ 24

6.41内存数据写入指令没有地址增量寄存器（ F6H ） ..................................... ....... 24

与地址增量寄存器（ F8H ） 6.42内存数据写入指令...................................... ............... 25

6.43内存数据写入地址寄存器（ FAH FBH ） ....................................... .............................................. 25

6.44 TX包长度注册(FCH~FDH)................................................................................................... 25

6.45中断状态寄存器(FEH)................................................................................................................. 25

6.46中断屏蔽寄存器（ FFH ） .................................................................................................................. 25

7. EEPROM格式.............................................................................................................. 26

8. PHY寄存器说明............................................. .................................................. 27

初步

版本： DM9000BI -13 -DS- P02

2008年1月17日

DM9000BI

工业级以太网控制器与通用处理器接口

8.1基本模式控制寄存器（ BMCR ） - 00 ........................................ .................................................. ....... 28

8.2基本模式状态寄存器（ BMSR ） - 01................................................................................................... 29

8.3 PHY ID标识符寄存器＃ 1 （ PHYID1 ） - 02 ...................................... .................................................. ...... 30

8.4 PHY ID标识符寄存器＃ 2 （ PHYID2 ） - 03 ...................................... .................................................. ...... 30

8.5自动协商广告寄存器（ ANAR ） - ....................................... 04 ........................................ 31

8.6自动协商链路伙伴能力寄存器（ ANLPAR ） - 05 ..................................... .............................. 32

8.7自动协商扩展寄存器（ ANER ） - ....................................... 06 ............................................... 32

8.8 DAVICOM指定的配置寄存器（ DSCR ） - 16 ........................................ .................................. 33

8.9 DAVICOM指定的配置和状态寄存器（ DSCSR ） - 17 ...................................... ............... 34

8.10 10BASE -T配置/状态（ 10BTCSR ） - 18 ...................................... ............................................... 35

8.11掉电控制寄存器（ PWDOR ） - 19 ........................................ .................................................. 36

8.12 （指定配置）寄存器 - 20 ................................................................................................................ 36

9.功能说明.............................................. .................................................. .... 38

9.1主机接口.............................................................................................................................................. 38

9.2直接内存访问Control.................................................................................................................... 38

9.3数据包传输................................................................................................................................... 38

9.4数据包接收........................................................................................................................................ 38

9.5 100BASE-TX操作............................................................................................................................... 39

9.5.1 4B5B Encoder...................................................................................................................................... 39

9.5.2 Scrambler............................................................................................................................................. 39

9.5.3并行到串行Converter.................................................................................................................. 39

9.5.4 NRZ到NRZI Encoder.......................................................................................................................... 39

9.5.5 MLT- 3转换器.................................................................................................................................. 39

9.5.6 MLT- 3驱动器........................................................................................................................................ 39

9.5.7 4B5B码组............................................................................................................................... 40

9.6 100BASE-TX接收器................................................................................................................................. 41

9.6.1信号Detect........................................................................................................................................ 41

9.6.2自适应均衡.......................................................................................................................... 41

9.6.3 MLT- 3到NRZI解码器....................................................................................................................... 41

9.6.4时钟恢复Module....................................................................................................................... 41

9.6.5 NRZI到NRZ ........................................................................................................................................ 41

9.6.6串口转Parallel................................................................................................................................... 41

9.6.7 Descrambler......................................................................................................................................... 41

9.6.8代码组对齐........................................................................................................................ 42

9.6.9 4B5B Decoder...................................................................................................................................... 42

9.7 10Base-T的操作.................................................................................................................................... 42

9.8碰撞检测...................................................................................................................................... 42

9.9载波侦听.............................................................................................................................................. 42

9.10 Auto-Negotiation........................................................................................................................................ 42

9.11功率降低Mode............................................................................................................................... 43

初步

版本： DM9000BI -13 -DS- P02

2008年1月17日

DM9000BI

工业级以太网控制器与通用处理器接口

9.11.1掉电模式............................................................................................................................. 43

9.11.2降低的发射功率Mode......................................................................................................... 43

10.直流和交流电气特性........................................... ............................... 44

10.1绝对最大额定值（ -40

C ~ +85

C) ........................................................................................... 44

10.1.1工作条件......................................................................................................................... 44

10.2直流电气特性（ VDD = 3.3V ） ........................................ .................................................. .... 44

10.3 AC电气特性&时序波形........................................... ....................................... 45

10.3.1 TP接口....................................................................................................................................... 45

10.3.2振荡器/晶体时序.................................................................................................................... 45

10.3.3上电复位Timing..................................................................................................................... 45

10.3.4处理器的I / O读Timing................................................................................................................ 46

10.3.5处理器的I / O写Timing................................................................................................................ 47

10.3.6 EEPROM接口Timing................................................................................................................. 48

11.应用Notes........................................................................................................... 49

11.1网络接口信号Routing.............................................................................................................. 49

11.2 10BASE-T / 100BASE-TX自动MDIX应用....................................... .................................................. 49

11.3 10BASE-T / 100BASE-TX （非自动MDIX变压器应用） ................................... ..................... 50

11.4电源去耦电容................................................................................................................... 51

11.5接地平面布局................................................................................................................................ 52

11.6电源平面分区........................................................................................................................... 53

11.7磁规格要求....................................................................................................... 54

11.8晶体选择指南............................................................................................................................. 54

12.包装信息..................................................................................................... 55

13.订购Information..................................................................................................... 56

初步

版本： DM9000BI -13 -DS- P02

2008年1月17日