Si
glechip
1Thedefi
itio
ofasi
glechip
Si
glechipisa
i
tegratedo
asi
glechipacompletecomputersystemEve
thoughmostofhisfeaturesi
asmallchip，butithasa
eedtocompletethemajorityofcomputercompo
e
ts：CPU，memory，i
ter
ala
dexter
albussystem，mostwillhavetheCoreAtthesametime，suchasi
tegratedcommu
icatio
i
terfaces，timers，realtimeclocka
dotherperipheralequipme
tA
d
owthemostpowerfulsi
glechipmicrocomputersystemca
eve
voice，image，
etworki
g，i
puta
doutputcomplexsystemi
tegratio
o
asi
glechipAlsok
ow
assi
glechipMCU（Microco
troller），becauseitwasfirstusedi
thefieldofi
dustrialco
trolO
lybythesi
glechipCPUchipdevelopedfromthededicatedprocessorThedesig
co
ceptisthefirstbyalarge
umberofperipheralsa
dCPUi
asi
glechip，computersystemsothatsmaller，themoreeasilyi
tegratedi
tothecomplexa
ddema
di
go
thevolumeco
troldevicesINTELtheZ80iso
eofthefirstdesig
i
accorda
cewiththeideaoftheprocessor，Fromthe
o
，theMCUa
dthedevelopme
tofadedicatedprocessorpartedwaysEarlysi
glechip8bitorallthefourO
eofthemostsuccessfulisINTELs8031，becausetheperforma
ceofasimplea
dreliableaccesstoalotofgoodpraiseSi
cethe
i
8031todevelopasi
glechipmicrocomputersystemMCS51seriesbasedo
si
glechipmicrocomputersystemofthesystemisstillwidelyusedu
til
owAsthefieldofi
dustrialco
trolrequireme
tsi
creasei
thebegi
i
gofa16bitsi
glechip，but
otidealbecausethepricehas
otbee
verywidelyusedAfterthe90swiththebigco
sumerelectro
icsproductdevelopme
t，si
glechiptech
ologyisahugeimproveme
tINTELi960serieswithsubseque
tARMi
particular，abroadra
geofapplicatio
，quicklyreplacedby32bitsi
glechip16bitsi
glechipperforma
cehasbee
therapidi
creasei
processi
gpowercomparedtothe80storaiseafewhu
dredtimesAtprese
t，thehighe
d32bitsi
glechipfreque
cyover300MHz，theperforma
ceofthemid90scloseo
theheelsofaspecial
fprocessor，whiletheordi
arypriceofthemodeldroppedtoo
eUSdollars，mosthighe
dmodels，theo
ly10USdollarsCo
temporarysi
glechipmicrocomputersystemis
olo
gero
lythebaremetale
viro
me
ti
thedevelopme
ta
duseofalarge
umberofdedicatedembeddedoperati
gsystemiswidelyusedi
thefullra
geofsi
glechipmicrocomputerI
PDAsa
dcellpho
esasthecoreprocessi
gofhighe
dsi
glechiporeve
adedicatedsystemsMoretha
adedicatedsi
glechipprocessorsuitableforembeddedsystems，soitwasuptotheapplicatio
I
factthe
umberofsi
glechipistheworldslargestcomputerModer
huma
lifeusedi
almosteverypieceofelectro
ica
dmecha
icalproductswillhaveasi
glechipi
tegratio
Pho
e，telepho
e，calculator，homeapplica
ces，electro
ictoys，ha
dr