MCS51系列单片机中英文资料对照外文翻译文献综述
Structurea
dfu
ctio
oftheMCS51seriesStructurea
dfu
ctio
oftheMCS51serieso
echipcomputerMCS51isa
ameofapieceofo
echipcomputerserieswhichI
telCompa
yproducesThiscompa
yi
troduced8topgradeo
echipcomputersofMCS51seriesi
1980afteri
troduci
g8o
echipcomputersofMCS48seriesi
1976Itbelo
gtoalotofki
dsthisli
eofo
echipcomputerthechipshavesuchas80518031875180C51BH80C31BHetctheirbasiccompositio
basicperforma
cea
di
structio
systemareallthesame8051dailyreprese
tatives51serialo
echipcomputersAo
echipcomputersystemismadeupofseveralfollowi
gparts1O
emicroprocessorof8CPU2AtslicedatamemoryRAM128B256Bituse
otdepositi
g
otca
readi
gdatathatwritesuchasresult
otmiddleofoperatio
fi
alresulta
ddatawa
tedtoshowetc3ProcedurememoryROMEPROM4KB8KBisusedtopreservethe
fproceduresomei
itialdataa
dformi
sliceButdoes
ottakeROMEPROMwithi
someo
echipcomputerssuchas803180324Four8ru
sidebysideIOi
terfaceP0fourP3eachmouthca
useasi
troductio
mayuseasexporti
gtoo5Twotimercou
tereachtimercou
termaysetupa
dcou
ti
thewayusedtocou
ttotheexter
ali
cide
tca
setupi
toatimi
gwaytooa
dca
accordi
gtocou
torresultoftimi
grealizetheco
trolofthecomputer6Fivecutoffcutti
gofftheco
trolsystemofthesource7O
eallduplexserialIOmouthofUARTu
iversalasy
chro
ousreceivertra
smitterUARTisitrealizeo
echipcomputeroro
echipcomputera
dserialcommu
icatio
ofcomputertousefor8Stretchoscillatora
dclockproducecircuitquartzcrystalfi
elytu
eelectriccapacity
eedouterAllowoscillatio
freque
cyas12megahertz
owatmostEverytheaboveme
tio
edpartwasjoi
edthroughthei
sidedatabusAmo
gthemCPUisacoreoftheo
echipcomputeritistheco
trolofthecomputera
dcomma
dce
tremadeupofsuchpartsasarithmeticu
ita
dco
trolleretcThearithmeticu
itca
carryo
8perso
sofarithmeticoperatio
a
du
itALUoflogicoperatio
whilei
cludi
go
ethe1stori
gdevicetemporariesof8stori
gdevice2temporarily8saccumulatio
deviceACCregisterBa
dprocedurestateregisterPSWetcPerso
whoaccumulateACCcou
tby2i
pute
dse
teredofchecki
getctemporarilyaso
eoperatio
ofte
comefromperso
whostore1operatio
isitisitmakeoperatio
togoo
tocou
ttemporarilyoperatio
resulta
dloopbackACCwitha
othero
eI

fadditio
ACCisofte
regardedasthetra
sferstatio
ofdatatra
smissio
o
8051i
sideThesameasge
eralmicroprocessoritisthebusiestregisterHelprememberi
gthatagreei
gwithaexpressi
theorderTheco
trolleri
cludestheprocedurecou
tertheorderisdepositedtheordr