城市学院
本科毕业设计论文
题目TheSCMa
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2
所在系电气与信息工程系
学生姓名冉乾乾
专业电子信息工程
班级电信002学号
指导教师金印彬
2014年5月
fTheSCMa
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2
TheSCMa
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2
一、Pri
cipleofMCU
Si
glechipisa
i
tegratedo
asi
glechipacompletecomputersystemEve
thoughmostofhisfeaturesi
asmallchipbutithasa
eedtocompletethemajorityofcomputercompo
e
tsCPUmemoryi
ter
ala
dexter
albussystemmostwillhavetheCoreAtthesametimesuchasi
tegratedcommu
icatio
i
terfacestimersrealtimeclocka
dotherperipheralequipme
tA
d
owthemostpowerfulsi
glechipmicrocomputersystemca
eve
voiceimage
etworki
gi
puta
doutputcomplexsystemi
tegratio
o
asi
glechip
Alsok
ow
assi
glechipMCUMicroco
trollerbecauseitwasfirstusedi
thefieldofi
dustrialco
trolO
lybythesi
glechipCPUchipdevelopedfromthededicatedprocessorThedesig
co
ceptisthefirstbyalarge
umberofperipheralsa
dCPUi
asi
glechipthecomputersystemsothatsmallermoreeasilyi
tegratedi
tothecomplexa
ddema
di
go
thevolumeco
troldevicesINTELtheZ80iso
eofthefirstdesig
i
accorda
cewiththeideaoftheprocessorFromthe
o
theMCUa
dthedevelopme
tofadedicatedprocessorpartedways
Earlysi
glechip8bitorallofthefourO
eofthemostsuccessfulisINTELs8031becausetheperforma
ceofasimplea
dreliableaccesstoalotofgoodpraiseSi
cethe
i
8031todevelopasi
glechipmicrocomputersystemMCS51seriesBasedo
si
glechipmicrocomputersystemofthesystemisstillwidelyusedu
til
owAsthefieldofi
dustrialco
trolrequireme
tsi
creasei
thebegi
i
gofa16bitsi
glechipbut
otidealbecausethepricehas
otbee
verywidelyusedAfterthe90swiththebigco
sumerelectro
icsproductdevelopme
tsi
glechiptech
ologyisahugeimproveme
tINTELi960Serieswithsubseque
tARMi
particularabroadra
geofapplicatio
squicklyreplacedby32bitsi
glechip16bitsi
glechiphighe
dstatusa
de
terthemai
streammarketTraditio
al8bitsi
glechipperforma
cehasbee
therapidi
creasei
processi
gpowercomparedtothe80storaiseafewhu
dredtimesAtprese
tthehighe
d32bitsi
glechipfreque
cyover300MHztheperforma
ceofthemid90scloseo
theheelsofaspecialprocessorwhiletheordi
arypriceofthemodeldroppedtoo
eUSdollarsthemosthighe
dmodelso
ly10USdollarsCo
temporarysi
glechipmicrocomputersystemis
olo
gero
lythebaremetale
viro
me
ti
thedevelopme
ta
duseofalarge
umberofdedicatedembeddedoperati
gsystemiswidelyusedi
thefullra
geofsi
glechipmicrocomputerI
PDAsa
dcellpho
esasthecoreprocessi
gofhighe
dsi
glechiporeve
adedicateddirectaccesstoWi
dowsa
dLi
uxoperati
gsystems
Moretha
adedicatedsi
gler