©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册W5100数据手册Version1.2.4©2010WIZnetCo.,Inc.更多信息,请登录我们的官方网站©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册W5100版本信息版本日期说明Ver.1.0.0Dec.21,2006ReleasedwithW5100LaunchingVer.1.0.1Jan.10,2006LBbitinModeregisterisnotused.W5100isusedonlyinBig-endianordering.Ver.1.1.1Jun.19,2007ModifiedtheOPMODE2-0signalsdescriptions(P.8)ModifiedtheTEST_MODE3-0signalsdescription(P.8)ModifiedtheClocksignalsdescription(P.9)ModifiedtheLINKLEDsignaldescription(P.10)ModifiedtheexplanationofRECV_INTinSn_IRregister(P.24)ReplacedtheresetvalueofSn_DHARregister(0x00to0xFF,P.27)ModiftedtheexplanationofSn_DIPR,Sn_DPORTregister(P.27)ReplacedtheresetvalueofSn_MSSregister(0xFFFFto0x0000,P.28)Ver.1.1.2Sep.28,2007ModifiedtheOperatingtemperature(P.53)Ver.1.1.3Oct.18,2007Changedthetypingerror“MISOsignal”(P.7)ModifiedtheSPITimingdiagramanddescription(P.56)Ver.1.1.4Oct.18,2007Modifiedthediagram(P.33)Ver.1.1.5Nov.11,2007ModifiedtheCrystalCharacteristicsvalue(P.56)Ver.1.1.6Jan.30,2008ModifiedtheSENsignalsdescription(P.7)Changedthetypingerror“SCLK”(P.56)Ver.1.1.7Feb.12,2009Changedthetypingerror“memorytestmode”(P.16)Changedthedescription&typeofclocksignals(P.9)ModifiedDCcharacteristicvalue(p.53)Ver.1.2Feb.11,2010Addthepowersupplysignalschematic(P.9)Ver.1.2.1Jun.10,2010AddSn_TX_WRvaluechangingconditionVer.1.2.2Jun.28,2010ModifyRD/WRtimingdiagram(P.54,55)Ver.1.2.3Feb.16,2011ChangethevalueofSOCK_ARP(0x01)state(P.26)Ver.1.2.4Sep.20,2011AddedtheexplanationofMF(MACFilter)inSn_MR(P.22)2©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册WIZnet在线技术支持如果你有关于WIZnet产品事情咨询,请访问:版写下你的问题,WIZnet的工程师会很快回答你的问题。Click3©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册W5100简介W5100是一款多功能的单片网络接口芯片,内部集成有10/100以太网控制器,主要应用于高集成、高稳定、高性能和低成本的嵌入式系统中。使用W5100可以实现没有操作系统的Internet连接。W5100与IEEE802.310BASE-T和802.3u100BASE-TX兼容。W5100内部集成了全硬件的、且经过多年市场验证的TCP/IP协议栈、以太网介质传输层(MAC)和物理层(PHY)。硬件TCP/IP协议栈支持TCP,UDP,IPv4,ICMP,ARP,IGMP和PPPoE,这些协议已经在很多领域经过了多年的验证。W5100内部还集成有16KB存储器用于数据传输。使用W5100不需要考虑以太网的控制,只需要进行简单的端口编程。W5100提供3种接口:直接并行总线、间接并行总线和SPI总线。W5100与MCU接口非常简单,就像访问外部存储器一样。应用产品W5100可用于多种嵌入式应用产品,包括:-家用网络设备:机顶盒,PVRs,数字媒体适配器-串口转以太网:访问控制,LED显示器,无线AP等-并行转以太网:POS/Mini打印机,复印机-USB转以太网:存储设备,网络打印机-GPIO转以太网:家用网络传感器-安防系统:DVRs,网络照相机,终端机-工业和楼宇自动化-医用检测设备-嵌入式服务器特点-支持全硬件TCP/IP协议:TCP,UDP,ICMP,IPv4ARP,IGMP,PPPoE,Ethernet-内嵌10BaseT/100BaseTX以太网物理层-支持自动应答(全双工/半双工模式)-支持自动MDI/MDIX-支持ADSL连接(支持PPPoE协议,带PAP/CHAP验证)-支持4个独立端口-内部16K字节存储器作TX/RX缓存-0.18µmCMOS工艺-3.3V工作电压,I/O口可承受5v电压-小巧的LQFP80无铅封装-多种PHY指示灯信号输出(TX,RX,Full/Halfduplex,Collision,Link,Speed)4©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册内部结构图5©Copyright2009-2010WIZnetCo.,Inc.Allrightsreserved.W5100数据手册目录1.引脚定义...................................................................................................................................61.1MCU接口信号.............................................................................................................61.2以太网物理层信号.......................................................................................................81.3其他...............................................................................................................................81.4电源...............................................................................................................................81.5时钟信号.......................................................................................................................91.6LED信号.....................................................................................................................102.存储器映像.............................................................................................................................113.W5100寄存器........................................................................................................................123.1通用寄存器.................................................................................................................123.2端口寄存器.................................................................................................................134.寄存器描述.............................................................................................................................174.1通用寄存器.................................................................................................................174.2端口寄存器.................................................................................................................225.功能描述.................................................................................................................................325.1初始化.........................................................................................................................325.2数据通信...................................................................................................................