S698处理器芯片开发系统用户手册

S698处理器芯片开发系统用户手册欧比特（珠海）软件工程有限公司文档编号：S698-DevSys-IP-001发行版本：V2.0,Rev.0309_AS698处理器芯片开发系统欧比特（珠海）软软件工程有限公司iiFirstpublishedAugust2003byOrbitaSoftwareEngineeringInc.Zhuhai,Guangdong,China©OrbitaSoftwareEngineeringInc.Allrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,inanyform,orbyanymeans,electronic,mechanical,photocopying,recordingorotherwise,withoutpriorpermission,inwriting,fromOrbitaSoftwareEngineeringInc..S698处理器芯片开发系统欧比特（珠海）软软件工程有限公司iiiSpecialNotes:SPARC(whichstandsforScalableProcessorARChitecture)isanopensetoftechnicalspecificationsthatanypersonorcompanycanlicenseandusetodevelopmicroprocessorsandothersemiconductordevicesbasedonpublishedindustrystandards.SPARCwasinventedinthelabsofSunMicrosystemsInc.,baseduponpioneeringresearchintoReducedInstructionSetComputing(RISC)attheUniversityofCaliforniaatBerkeley.CopyrightNoticeSAILING,S698,Orion,Orbita,OrbitaLinuxandOrbitaEOSareregisteredtrademarksofOrbitaSoftwareEngineeringInc.SPARC　isaregisteredtrademarkofSPARCInternational,Inc.RedHatisregisteredtrademark,andtheRPM,theRPMlogo,andGlintaretrademarksofRedHat,Inc.Allothertrademarksandcopyrightsreferredtoarethepropertyoftheirrespectiveowners.Thisdocumentisprovided“asis”forinformationalpurposesonly,andtheinformationhereinissubjecttochangewithoutnotice.PleasereportanyerrorshereintoOrbitaSoftwareEngineeringInc..OrbitaSoftwareEngineeringInc.doesnotprovideanywarrantiescoveringandspecificallydisclaimsanyliabilityinconnectionwiththisdocument.ORBITASOFTWAREENGINEERINGINC.Website:处理器芯片开发系统欧比特（珠海）软软件工程有限公司iv前言本手册是SAILINGS698处理器芯片开发系统之硬件用户手册。SAILINGS698处理器（以下简称S698处理器）是针对嵌入式实时控制及信息处理应用而研制的32位RISC嵌入式处理器，其设计遵循SPARCV8标准。SPARC是国际上流行的处理器架构之一，在业内享有盛名，具备广大的用户群和广阔的应用领域。S698处理器为SPARCV8系列的32位RISC嵌入式处理器，内嵌符合IEEE754标准的64位浮点运算器（FPU）。S698采用AMBA总线作为片内系统架构总线，片上各模块通过AMBA总线进行数据交换和通讯。AMBA总线配置了PCI总线接口、存储器总线接口、UART、定时器、中断管理器、I/O、看门狗、配置寄存器等，使得S698芯片的集成度和功能得到了大幅度的提高。S698处理器CPU内部指令实行单指令发射流水线，具备五级流水（PIPELINE），分别为取指、译码、执行、存储和回写五个阶段。这样，每个时钟周期就执行一条指令，充分体现了RISC芯片的优势。同时，S698处理器采用先进的时钟配置及管理机制以及低功耗优化设计。S698处理器具备硬实时处理能力，完全支持嵌入式实时操作系统，具有完整的芯片及应用开发系统。S698处理器是高端工业控制、消费电子、宇航计算机等领域的理想选择。该用户手册就S698处理器芯片开发系统之硬件开发板功能和应用进行了详尽描述，以方便用户尽快地掌握和熟悉S698处理器芯片，并基于该芯片进行应用开发。S698处理器芯片开发系统欧比特（珠海）软软件工程有限公司v目录1引言......................................................................................................................................................12系统结构..............................................................................................................................................22.1简介..............................................................................................................................................22.2DAUGHTERBOARD组成......................................................................................................................22.2.1FPGA......................................................................................................................................22.2.2PROM......................................................................................................................................32.3MOTHERBOARD组成.........................................................................................................................32.3.1BPROM...................................................................................................................................32.3.2SRAM......................................................................................................................................32.3.3SDRAM....................................................................................................................................42.3.4DSU串口................................................................................................................................52.3.5RS232串口.............................................................................................................................62.3.6复位及状态指示电路............................................................................................................72.3.7电源和时钟电路....................................................................................................................82.3.8PCI连接器............................................................................................................................82.3.9扩展连接器..........................................................................................................................112.4开发平台硬件跳线设置............................................................................................................113使用说明............................................................................................................................................153.1配置FPGA...................................................................................................................................153.1.1Boundary-scanMode..................................................................................