(),2007,29(S2):286289CN53-1045/NISSN0258-7971JournalofYunnanUniversityX,(,650051):;;;,SOC.:;;SOC:TP332:A:0258-7971(2007)S2-0286-0421,,,,.1111IT,.:,,.,[1].11211111,,.ENEAOSE,5K,Windows.11112,,,.,,,.11113,,,.11114,,..11115,Wintel,,,.2,.,10%20%,80%90%,l020CPU,.1.X:2007-09-03:(1965-),,,,,.©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2].200623%.,,PDA30%,18%,21%,5%,2%,2%,22%.:211PC,,Internet,.,,,,,.,,PC,..,,,IT...212PDA.,,PDA,.PDA,,.,,LinuxWindowsCESymbainSymbainOs.,.,.213WebServer,.Internet,,.,802111..ZigBee.IEEE802.1514..ZigBee[3].214,,.,.,.,.,..,.215,....GPS,.782S2,:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,,,,,),.3,.:311.,.,,.,.,(0119,0130,0108),..312,.,,,.313SOC(SystemOnChip)SOCIP(IntellectualProperty).,.ARMRISCMIPSRISCDSP,,(USB)TCP/IPGPRSGSMIEEE1394,.SOC,,.SOC,,,,.SOC[4].314.FPGAPLD,PAL,GAL,CPLD,FPGA,(NIOSII),,,,,ARM,FPGA,CPU,.4,.8MCU:,;RTOS,,.C.411,,,.SOC,SOCIP.,FPGAIPPSOC/SOPC,.,.412,RTOSRTOS.,RTOS,RTOS,..,.882()29©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.().,,.415SOCSOC,.ASIC,IP,IP.SOC.SOC,SOC.,.5,,CPUOSLCD,,..,,,.:[1].[M].:,2005.[2],.[J].,2005,22(1):17222.[3],,.Zigbee[J].(),2007,32(1):40244.[4],.SOPC[J].,2005,12:629.DevelopmentandchallengeofembeddedsystemJIANGHong,LVYang(KunmingUniversityofScienceandTechnology,Kunming650051,China)Abstract:Itisbeginwiththedefiningfeaturesoftheembeddedsystem,andthenpresentedthesystempsdevelop2mentaltrendandapplications,followedbyadiscussionofthedevelopmentofthesystemdesigntechnologyincurrentuse.Alsotoucheduponarethechallengesthatarisefromtheembeddedsystemdesign,suchasthedesignoftheSOC,theinstrumentsusedandsomeenvironmentalproblems.Keywords:embeddedsystem;systemdesigntechnology;SOC982S2,:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.