2
6.24 芯片版本寄存器(CHIPR)...........................................................................................20
6.25 发送控制寄存器 2(TCR2)..........................................................................................20
6.26 操作测试控制寄存器(OCR)...................................................................................... 21
6.27 特殊模式控制寄存器(SMCR)................................................................................... 21
6.28 即将发送控制/状态寄存器(ETXCSR)......................................................................22
6.29 校验和控制寄存器(TCSCR)......................................................................................22
6.30 接收校验和控制状态寄存器(RCSCSR)................................................................... 22
6.31 内存数据预取读命令寄存器(地址不加 1)(MRCMDX).......................................... 23
6.32 内存数据读命令寄存器(地址不加 1)(MRCMDX1)................................................ 23
6.33 内存数据读命令寄存器(地址加 1)(MRCMD)......................................................... 23
6.34 内存数据读地址寄存器(MRRL/ MRRH)................................................................. 23
6.35 内存数据写命令寄存器(地址不加 1)(MWCMDX)................................................. 23
6.36 内存数据写命令寄存器(地址加 1)(MWCMD)........................................................ 24
6.37 内存数据写地址寄存器(MWRL/ MWRH)...............................................................24
6.38 发送数据包长度寄存器(TXPLL/TXPLH)................................................................24
6.39 中断状态寄存器 (ISR).............................................................................................. 24
6.40 中断屏蔽寄存器(IMR)............................................................................................... 24
7
.
EEPROM
格式
..................................................................................................... 25
8
.
PHY
寄存器描述
.................................................................................................. 26
8.1 基本模式控制寄存器(BMCR).....................................................................................27
8.2 基本模式状态寄存器(BMSR)..................................................................................... 28
8.3 PHY ID 标识符寄存器#1(PHYID1)............................................................................ 29
8.4 PHY ID 标识符寄存器#2(PHYID1)............................................................................ 29
8.5 自动协商通知寄存器(ANAR)..................................................................................... 30
8.6 自动协商连接对象寄存器(ANLPAR).........................................................................31
8.7 自动协商扩展寄存器(ANER)......................................................................................32
8.8 DAVICOM 指定配置寄存器(DSCR).......................................................................... 33
8.9 DAVICOM 指定配置和状态寄存器(DSCSR)............................................................34
8.10 10BASE-T 配置/状态(10BTCSR)..............................................................................36
8.11 掉电控制寄存器(PWDOR)........................................................................................ 36
8.12 指定配置寄存器(SCR)............................................................................................... 37
9.
功能描述
.................................................................................................................38
9.1 主机接口(HI)............................................................................................................... 38
9.2 直接内存访问控制(DMAC)....................................................................................... 38
9.3 数据包发送(PT)...........................................................................................................38
9.4 数据包接收(PR)...........................................................................................................39
9.5 100Base-TX 操作............................................................................................................... 39
9.5.1 4B5B 编码器........................................................................................................... 39
9.5.2 扰频器(Scrambler)............................................................................................. 39
9.5.3 并--串转换.............................................................................................................. 39
9.5.4 NRZ 码到 NRZI 码转换......................................................................................... 39
9.5.5 NRZI 码到 MLT-3 码转换...................................................................................... 39
9.5.6 MLT-3 驱动..............................................................................................................40
9.5.7 4B5B 编码............................................................................................................... 40