AX88780

高性能非PCI的单芯片

32位10 / 100M快速以太网控制器

文件编号： AX88780 / V1.4

特点

●

●

高性能的非PCI局部总线

16位/ 32位类SRAM主机接口

支持大/小端数据总线类型

数据包缓冲区大型嵌入式SRAM

32K字节的接收缓冲区

8K字节的发送缓冲区

支持IP / TCP / UDP校验和卸载功能

高或低电平有效触发中断的支持

模式

单芯片快速以太网控制器

兼容IEEE802.3 ， 802.3u标准标准

在集成的快速以太网MAC / PHY收发器

单芯片

支持10Mbps和100Mbps的数据速率

支持全双工和半双工操作

支持10 / 100Mbps的N路自动协商

手术

支持IEEE 802.3x流量控制，全双工

手术

●

●

●

●

●

●

●

●

●

●

半双工支持背压流控

手术

支持数据包长度由软件设置

支持MII接口，用于外部以太网PHY

和HomePNA的/的HomePlug PHY应用

支持网络唤醒功能由以下事件

检测网络链接起来的状态

收到魔术包的

支持魔包检测，远程唤醒

上电后复位

支持EEPROM接口

在16位模式下支持PCMCIA

支持同步或异步模式来承载

MCU

支持LED引脚用于各种网络活动

适应症

集成稳压器从3.3V到2.5V

2.5V核心和3.3V的I / O与5V容限

128引脚LQFP封装采用CMOS工艺，符合RoHS封装

批准的美国专利（专利号6799231 ）

产品说明

该AX88780是一个高性能和成本效益单芯片快速以太网控制器，用于各种嵌入式

系统，包括消费电子和家庭网络市场需要的网络连接上一个台阶。

该AX88780支持16位/ 32位类SRAM主机接口，并集成了片上的快速以太网MAC和PHY ，从而

是IEEE802.3 10Base-T和IEEE802.3u标准的100Base -T兼容。该AX88780支持全双工或半双工

工作在10 / 100Mbps的速度自动协商或手动设置。该AX88780集成了大量嵌入式SRAM

对于数据包缓冲区，以适应高带宽应用和支持IP / TCP / UDP校验和卸载

从微处理器/微控制器中的嵌入式系统处理负荷。

系统框图

在开始设计之前，请务必联系ASIX可能的更新。

本数据手册包含了新产品的信息。亚信电子保留修改产品的权利

规格，恕不另行通知。无责任承担由于使用本产品造成的。任何专利的任何权利

伴随着销售的产品。

亚信电子股份有限公司

4楼8号，信安路，科学工业园区，新竹城，台湾， ROC

电话： 886-3-579-9500

FAX ： 886-3-579-9558

发布日期： 2007年5月18日

http://www.asix.com.tw

AX88780

目标应用

多媒体应用

内容分发应用

音频分配系统（全屋音频）

视频over IP解决方案， IP PBX和视频电话

视频分发系统，多房间PVR

电缆，卫星和IP机顶盒

数字视频录像机

DVD刻录机/播放机

高德网络nition电视

数字媒体的客户机/服务器

家庭网关

IPTV三网融合

OTHERS

打印机，亭，保安系统

无线路由器&接入点

应用

2

亚信电子股份有限公司

AX88780

内容

1.0 Introduction.........................................................................................................................................................................7

1.1概述.......................................................................................................................................................7

1.2 AX88780座Diagram...............................................................................................................................................7

1.3 AX88780引脚Diagram..............................................................................................................................................8

2.0信号Description...............................................................................................................................................................9

2.1信号类型定义...................................................................................................................................................9

2.2主机Interface.................................................................................................................................................................9

2.3 EEPROM接口......................................................................................................................................................10

2.4调节器Interface.......................................................................................................................................................11

2.5 10 / 100M PHY接口...............................................................................................................................................11

2.6 MII接口................................................................................................................................................................11

2.7其他..............................................................................................................................................................12

2.8电源/接地pin.........................................................................................................................................................12

3.0功能Description......................................................................................................................................................13

3.1主机Interface...............................................................................................................................................................13

3.2系统地址Range.................................................................................................................................................13

3.3 TX缓冲器运行....................................................................................................................................................13

3.4接收缓冲区Operation....................................................................................................................................................13

3.5流量控制................................................................................................................................................................14

3.6校验和卸载和唤醒................................................................................................................................14

3.7快速模式支持.......................................................................................................................................................14

3.8大/小端支持.............................................................................................................................................14

3.9 10 / 100BASE -TX PHY.................................................................................................................................................14

3.9 16位Mode..................................................................................................................................................................15

3.11 EEPROM格式.......................................................................................................................................................16

4.0注册说明.........................................................................................................................................................17

4.1 CMD - 命令寄存器...........................................................................................................................................18

4.2 IMR - 中断屏蔽寄存器.....................................................................................................................................18

4.3 ISR - 中断状态Register......................................................................................................................................19

4.4 TX_CFG - TX配置寄存器.........................................................................................................................20

4.5 TX_CMD - TX命令寄存器.............................................................................................................................20

4.6 TXBS - 发送缓冲区状态寄存器...............................................................................................................................20

4.7 PHY_CTRL--内部PHY控制寄存器.............................................................................................................21

4.8 TXDES0 - TX Descriptor0 Register.............................................................................................................................22

4.9 TXDES1 - TX Descriptor1 Register.............................................................................................................................22

4.10 TXDES2 - TX Descriptor2 Register...........................................................................................................................22

3

亚信电子股份有限公司

AX88780

4.11 TXDES3 - TX Descriptor3注册...........................................................................................................................23

4.12 RX_CFG - RX配置Register.......................................................................................................................23

4.13 RXCURT - RX电流指针寄存器....................................................................................................................23

4.14 RXBOUND - RX边界指针寄存器............................................................................................................24

4.15 MAC_CFG0 - MAC Configuration0 Register............................................................................................................24

4.16 MAC_CFG1 - MAC配置1 Register............................................................................................................24

4.17 MAC_CFG2 - MAC Configuration2 Register............................................................................................................25

4.18 MAC_CFG3 - MAC Configuration3 Register............................................................................................................25

4.19 TXPAUT - TX暂停时间注册...........................................................................................................................25

4.20 RXBTHD0 - 接收缓冲区Threshold0注册.............................................................................................................25

4.21 RXBTHD1 - 接收缓冲寄存器阈值1 ............................................................................................................26

4.22 RXFULTHD - 接收缓冲器满阈值Register.....................................................................................................26

4.23 MISC-杂项。控制寄存器.................................................................................................................................26

4.24 MACID0 - MAC ID0注册...................................................................................................................................27

4.25 MACID1 - MAC ID1注册...................................................................................................................................27

4.26 MACID2 - MAC ID2注册...................................................................................................................................27

4.27 TXLEN - TX长度注册....................................................................................................................................27

4.28 RXFILTER - 接收数据包过滤器注册.....................................................................................................................27

4.29 MDIOCTRL - MDIO控制寄存器......................................................................................................................28

4.30 MDIODP - MDIO数据端口寄存器........................................................................................................................28

4.31 GPIO_CTRL - GPIO控制Register.......................................................................................................................29

4.32 RXINDICATOR - 接收指示器Register............................................................................................................29

4.33 TXST - TX状态寄存器.........................................................................................................................................29

4.34 MDCLKPAT - MDC时钟模式寄存器..............................................................................................................30

4.35 RXCHKSUMCNT - RX IP / UDP / TCP校验和错误计数器..................................... .......................................... 30

4.36 RXCRCNT - RX CRC错误Counter.........................................................................................................................30

4.37 TXFAILCNT - TX故障计数器.................................................................................................................................30

4.38 PROMDPR - EEPROM数据端口寄存器...............................................................................................................30

4.39 PROMCTRL - EEPROM控制寄存器................................................................................................................31

4.40 MAXRXLEN - 马克斯。接收数据包长度Register......................................................................................................31

4.41 HASHTAB0 - 哈希Table0注册..........................................................................................................................31

4.42 HASHTAB1 - 哈希表1注册..........................................................................................................................32

4.43 HASHTAB2 - 哈希表2注册..........................................................................................................................32

4.44 HASHTAB3 - 哈希表3注册..........................................................................................................................32

4.45 DOGTHD0 ，看门狗定时器Threshold0注册.......................................... .................................................. ... 32

4.46 DOGTHD1 ，看门狗定时器阈值1注册.......................................... .................................................. .... 32

4.47 SOFTRST - 软件复位Register..........................................................................................................................33

5.0 PHY注册....................................................................................................................................................................34

4

亚信电子股份有限公司

AX88780

5.1 BMCR - 基本模式控制Register.........................................................................................................................34

5.2 BMSR - 基本模式状态Register............................................................................................................................35

5.3 PHYIDR0 - PHY标识符寄存器0 .........................................................................................................................35

5.4 PHYIDR1 - PHY标识符寄存器1 .........................................................................................................................36

5.5 ANAR - 自动协商广告注册......................................................................................................36

5.6 ANLPAR - 自动协商链路伙伴能力寄存器....................................... .................................................. 36

5.7 ANER - 自动协商扩展寄存器.............................................................................................................37

6.0电气特性和时序................................................................................................................................38

6.1直流特性.......................................................................................................................................................38

6.1.1绝对最大额定值

............................................................................................................38

6.1.2一般操作条件

........................................................................................................38

6.1.3漏电流和电容

...................................................................................................38

2.5V IO引脚6.1.4直流特性

..................................................................................................38

3.3V IO引脚的6.1.5直流特性

..................................................................................................39

6.1.6传输特性

..........................................................................................................39

6.1.7接收特性

..............................................................................................................39

6.1.8功耗

......................................................................................................................40

6.1.9热特性

................................................................................................................41

6.2交流时序特性.........................................................................................................................................41

6.2.1主机时钟

..................................................................................................................................41

6.2.2复位时序

................................................................................................................................41

6.2.3主机单写时序

................................................................................................................42

6.2.4主机突发写时序

.................................................................................................................43

6.2.5主机单读时序

................................................................................................................43

6.2.6主机突发读时序

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

6.2.7 MII接收时序（ 100MB / S）

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

6.2.8 MII发送时序（ 100Mbps的）

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

6.2.9 MDIO时序

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

6.2.10串行EEPROM时序

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

7.0包装信息.........................................................................................................................................................47

8.0订购Information........................................................................................................................................................48

附录A1 。

附录A2 。

附录A3 。

附录A4 。

16位模式下的地址和数据bus...............................................................................................................49

32位模式下的地址和数据bus...............................................................................................................51

同步和异步时序选择............................................. .......................................... 52

通过LAN唤醒（ WOL ），而驱动程序的Magic Packet ....................................... .................................... 53

修订历史.....................................................................................................................................................................54

5

亚信电子股份有限公司

AX88780

高性能非PCI的单芯片

32位10 / 100M快速以太网控制器

特点

●

文件编号： AX88780 / V1.0 / 10/ 4月5日

●

高性能的非PCI局部总线

16位/ 32位类SRAM主机接口

支持大/小端数据总线类型

数据包缓冲区大型嵌入式SRAM

32K字节的接收缓冲区

8K字节的发送缓冲区

支持IP / TCP / UDP校验和卸载功能

高或低电平有效触发中断的支持

模式

单芯片快速以太网控制器

兼容IEEE802.3 ， 802.3u标准标准

在集成的快速以太网MAC / PHY收发器

单芯片

支持10Mbps和100Mbps的数据速率

支持全双工和半双工操作

支持10 / 100Mbps的N路自动协商

手术

支持IEEE 802.3x流量控制，全双工

手术

●

●

●

●

●

●

●

●

●

半双工支持背压流控

手术

支持数据包长度由软件设置

支持可选的MII接口，以太网PHY

和HomePNA的/的HomePlug PHY应用

支持网络唤醒功能由以下事件

检测在网络链路状态的改变的

收到魔术包的

支持可选EEPROM接口

在16位模式下支持PCMCIA

支持系统参考时钟从40MHz至

100MHz

支持LED引脚用于各种网络活动

适应症

集成稳压器和25MHz晶振

振荡器

3.3V电源与5V的I / O宽容

128引脚LQFP封装采用CMOS工艺，符合RoHS封装

美国专利获得批准

产品说明

该AX88780是一个高性能和成本效益单芯片快速以太网控制器，用于各种嵌入式

系统，包括消费电子和家庭网络市场需要的网络连接上一个台阶。

该AX88780支持16位/ 32位类SRAM主机接口，并集成了片上的快速以太网MAC和PHY ，从而

是IEEE802.3 10Base-T和IEEE802.3u标准的100Base -T兼容。该AX88780支持全双工或半双工

工作在10 / 100Mbps的速度自动协商或手动设置。该AX88780集成了大量嵌入式SRAM

对于数据包缓冲区，以适应高带宽应用和支持IP / TCP / UDP校验和卸载

从微处理器/微控制器中的嵌入式系统处理负荷。

系统框图

在开始设计之前，请务必联系ASIX可能的更新。

本数据手册包含了新产品的信息。亚信电子保留修改产品的权利

规格，恕不另行通知。无责任承担由于使用本产品造成的。任何专利的任何权利

伴随着销售的产品。

亚信电子股份有限公司

4楼8号，信安路，科学工业园区，新竹城，台湾， ROC

电话： 886-3-579-9500

FAX ： 886-3-579-9558

发布日期： 2005年10月4日

http://www.asix.com.tw/

AX88780

目标应用

多媒体应用

内容分发应用

音频分配系统（全屋音频）

视频over IP解决方案， IP PBX和视频电话

视频分发系统，多房间PVR

电缆，卫星和IP机顶盒

数字视频录像机

DVD刻录机/播放机

高德网络nition电视

数字媒体的客户机/服务器

家庭网关

IPTV三网融合

OTHERS

打印机，亭，保安系统

无线路由器&接入点

应用

2

亚信电子股份有限公司

内容

AX88780

1.0 Introduction.......................................................................................................................................................................6

1.1概述.......................................................................................................................................................6

1.2 AX88780座Diagram...............................................................................................................................................6

1.3 AX88780引脚Diagram..............................................................................................................................................7

2.0信号说明.............................................................................................................................................................8

2.1信号类型定义...................................................................................................................................................8

2.2主机Interface.................................................................................................................................................................8

2.3 EEPROM接口(Optional).......................................................................................................................................9

2.4调节器Interface.......................................................................................................................................................10

2.5 10 / 100M PHY接口...............................................................................................................................................10

2.6 MII接口(optional)................................................................................................................................................10

2.7其他..............................................................................................................................................................11

2.8电源/接地pin.........................................................................................................................................................11

3.0功能描述...................................................................................................................................................12

3.1主机Interface...............................................................................................................................................................12

3.2系统地址Range.................................................................................................................................................12

3.3 TX缓冲器运行....................................................................................................................................................12

3.4 RX缓冲器Operation....................................................................................................................................................12

3.5流量控制................................................................................................................................................................13

3.6校验和卸载和唤醒................................................................................................................................13

3.7快速模式支持.......................................................................................................................................................13

3.8大/小端支持.............................................................................................................................................13

3.9 10 / 100BASE -TX PHY.................................................................................................................................................13

3.10 16位Mode................................................................................................................................................................14

3.11 EEPROM格式.......................................................................................................................................................14

4.0注册Description........................................................................................................................................................16

4.1 CMD - 命令寄存器...........................................................................................................................................17

4.2 IMR - 中断屏蔽寄存器.....................................................................................................................................17

4.3 ISR - 中断状态Register......................................................................................................................................18

4.4 TX_CFG - TX配置寄存器.........................................................................................................................19

4.5 TX_CMD - TX命令寄存器.............................................................................................................................19

4.6 TXBS - 发送缓冲区状态寄存器...............................................................................................................................19

4.7 PHY_CTRL--内部PHY控制寄存器.............................................................................................................20

4.8 TXDES0 - TX Descriptor0 Register.............................................................................................................................21

4.9 TXDES1 - TX Descriptor1 Register.............................................................................................................................21

4.10 TXDES2 - TX Descriptor2 Register...........................................................................................................................21

4.11 TXDES3 - TX Descriptor3注册...........................................................................................................................22

4.12 RX_CFG - RX配置Register.......................................................................................................................22

4.13 RXCURT - RX电流指针寄存器....................................................................................................................22

4.14 RXBOUND - RX边界指针寄存器............................................................................................................23

4.15 MAC_CFG0 - MAC Configuration0 Register............................................................................................................23

4.16 MAC_CFG1 - MAC配置1 Register............................................................................................................23

4.17 MAC_CFG2 - MAC Configuration2 Register............................................................................................................24

4.18 MAC_CFG3 - MAC Configuration3 Register............................................................................................................24

4.19 TXPAUT - TX暂停时间注册...........................................................................................................................24

4.20 RXBTHD0 - 接收缓冲区Threshold0注册.............................................................................................................25

4.21 RXBTHD1 - 接收缓冲寄存器阈值1 ............................................................................................................25

4.22 RXFULTHD - 接收缓冲器满阈值Register.....................................................................................................25

4.23 MISC-杂项。控制寄存器.................................................................................................................................25

4.24 MACID0 - MAC ID0注册...................................................................................................................................26

4.25 MACID1 - MAC ID1注册...................................................................................................................................26

4.26 MACID2 - MAC ID2注册...................................................................................................................................26

4.27 TXLEN - TX长度注册....................................................................................................................................26

3

亚信电子股份有限公司

4.28 RXFILTER - 接收数据包过滤器注册.....................................................................................................................27

4.29 MDIOCTRL - MDIO控制寄存器......................................................................................................................27

4.30 MDIODP - MDIO数据端口寄存器........................................................................................................................28

4.31 GPIO_CTRL - GPIO控制Register.......................................................................................................................28

4.32 RXINDICATOR - 接收指示器Register............................................................................................................28

4.33 TXST - TX状态寄存器.........................................................................................................................................29

4.34 MDCLKPAT - MDC时钟模式寄存器..............................................................................................................29

4.35 RXCHKSUMCNT - RX IP / UDP / TCP校验和错误计数器..................................... .......................................... 29

4.36 RXCRCNT - RX CRC错误Counter.........................................................................................................................29

4.37 TXFAILCNT - TX故障计数器.................................................................................................................................30

4.38 PROMDPR - EEPROM数据端口寄存器...............................................................................................................30

4.39 PROMCTRL - EEPROM控制寄存器................................................................................................................30

4.40 MAXRXLEN - 马克斯。接收数据包长度Register......................................................................................................30

4.41 HASHTAB0 - 哈希Table0注册..........................................................................................................................31

4.42 HASHTAB1 - 哈希表1注册..........................................................................................................................31

4.43 HASHTAB2 - 哈希表2注册..........................................................................................................................31

4.44 HASHTAB3 - 哈希表3注册..........................................................................................................................31

4.45 DOGTHD0 ，看门狗定时器Threshold0注册.......................................... .................................................. ... 31

4.46 DOGTHD1 ，看门狗定时器阈值1注册.......................................... .................................................. .... 32

5.0 PHY Register...................................................................................................................................................................33

5.1 BMCR - 基本模式控制Register.........................................................................................................................33

5.2 BMSR - 基本模式状态Register............................................................................................................................34

5.3 PHYIDR0 - PHY标识符寄存器0 .........................................................................................................................34

5.4 PHYIDR1 - PHY标识符寄存器1 .........................................................................................................................35

5.5 ANAR - 自动协商广告注册......................................................................................................35

5.6 ANLPAR - 自动协商链路伙伴能力寄存器....................................... .................................................. 35

5.7 ANER - 自动协商扩展寄存器.............................................................................................................36

6.0电气特性和时序..........................................................................................................................37

6.1直流特性.......................................................................................................................................................37

6.1.1绝对最大Ratings..................................................................................................................................37

6.1.2一般操作条件.............................................................................................................................37

6.1.3泄漏电流和Capacitance.......................................................................................................................37

2.5V IO引脚6.1.4直流特性.....................................................................................................................37

3.3V IO引脚的6.1.5直流特性.....................................................................................................................38

6.1.6传输特性...............................................................................................................................38

6.1.7接收特性....................................................................................................................................38

6.1.8功耗.............................................................................................................................................39

6.1.9热Characteristics.......................................................................................................................................39

6.2交流时序特性.........................................................................................................................................40

6.2.1主机时钟............................................................................................................................................................40

6.2.2复位时序.........................................................................................................................................................40

6.2.3主机单写Timing...................................................................................................................................40

6.2.4主机快速写Timing.........................................................................................................................................41

6.2.5主机单读时序......................................................................................................................................41

6.2.6主机快速的读时序.........................................................................................................................................41

6.2.7 MII接收时序（ 100MB / S） .............................................................................................................................42

6.2.8 MII发送时序（ 100Mbps的） ..........................................................................................................................42

6.2.9 MDIO时序.......................................................................................................................................................43

6.2.10串行EEPROM时序.....................................................................................................................................44

7.0包装信息......................................................................................................................................................45

订购Information...........................................................................................................................................................46

Appendix................................................................................................................................................................................47

调整History....................................................................................................................................................................48

AX88780

4

亚信电子股份有限公司

AX88780

图列表

图1： AX88780框图.......................................................................................................................................6

图2 ： AX88780引脚连接diagram.........................................................................................................................7

图3： 32位模式下地址mapping..............................................................................................................................12

图4 ：数据交换模块...................................................................................................................................................13

图5： 16位模式图block........................................................................................................................................14

图6 ：发送波形规范........................................................................................................................38

表格清单

表1 ：主机接口信号组...................................................................................................................................8

表2： EEPROM接口信号group...........................................................................................................................9

表3：调节信号组........................................................................................................................................10

表4 ： 10 / 100M双绞线信号group.....................................................................................................................10

表5 ： MII接口信号group...................................................................................................................................10

表6 ：其他组的信号................................................................................................................................. 11

表7 ：电源/接地引脚组..................................................................................................................................... 11

表8 ： MAC注册Mapping........................................................................................................................................16

表9 ： PHY寄存器映射.........................................................................................................................................33

5

亚信电子股份有限公司