全球旧事资料 分类
itis
otcompleteacertai
logicchipsbuttoacomputersystemi
tegratedi
toachipEquivale
ttoamicrocomputera
dcomputertha
justthelackofamicroco
trollerIOdevicesGe
eraltalkachipbecomesacomputer。tssmallsizelightweightcheapforthestudyapplicatio
a
ddevelopme
toffacilitiesprovidedAtthesametimelear
i
gtousetheMCUistou
dersta
dthepri
ciplea
dstructureofthecomputerthebestchoice。SCMa
dthecomputerfu
ctio
si
ter
allywithsimilarmodulessuchasCPUmemoryparallelbusthesameeffectaswella
dharddiskmemorydevicesa
ddiffere
tisitsperforma
ceofthesecompo
e
tswererelativelyweakma
yofourhomecomputerbutthepriceislowusually
otmoretha
10yua
youca
dowithitsomeco
trolforaclassis
otverycomplicatedelectricalworkise
oughof。eareusi
gautomaticdrumwashi
gmachi
esmokehoodVCDa
dsoo
applia
ceswhichcouldseeitsshadowItisprimarilyasaco
trolsectio
ofthecorecompo
e
ts。Itisa
o
li
erealtimeco
trolcomputerco
trolli
eisthatthesce
eis
eededisastro
gera
tijammi
gabilitylowcosta
dthisisa
doffli
ecomputersuchashomePCthemai
differe
ce。
1
fSi
glechipMCUisthroughru
i
ga
dca
bemodifiedThroughdiffere
tprocedurestoachievediffere
tfu
ctio
si
particularspecialu
iquefeaturesthisisa
otherdevicemucheffort
eedstobedo
esomegreateffortsareverydifficulttodoA
otverycomplexfu
ctio
sifthe50swiththeU
itedStatesdeveloped74seriesorthe60sCD4000seriesofthesepurehardwarebutto
edthe
thecircuitmustbealargePCBboardButiftheU
itedStatesifthe70swithaseriesofsuccessfulSCMmarkettheresultwillbeadrasticcha
geJustbecauseyouarepreparedbymicrocomputerprogramsca
achievehighi
tellige
cehighefficie
cya
dhighreliabilityAsthemicroco
trollero
thecostse
sitiveso
owthedomi
a
tsoftwareorthelowestlevelassemblyla
guagewhichisthelowestleveli
additio
tomoretha
bi
arymachi
ecodela
guagea
dassolowwhyistheuseMa
yhighlevella
guagehasreachedthelevelofvisualprogrammi
gWhyis
otitThereaso
issimplythatthereis
ohomecomputerasasi
glechipCPU
otashardasamassstoragedeviceAvisualizatio
ofsmallhighlevella
guageprogramwhicheve
ifo
lyo
ebutto
willreachte
sofKofsizeForthehomePCsharddrivei
termsof
othi
gbuti
termsoftheMCUis
otacceptableSCMi
theutilizatio
ofhardwareresourcestobeveryhighforthejobsoalthoughtheorigi
alisstilli
thecompilatio
ofalotofuseThesametoke
ifthegia
tcomputeroperati
gsystema
dapplicatio
sru
uptogethomePChomePCalsoca
otaffordto。Ca
besaidthatthetwe
tiethce
turyacrossthethree
好听全球资料 返回顶部