Chapter2-Microcontroller Architecture & Assembly Language Pt2

7/31/2019 Chapter2-Microcontroller Architecture & Assembly Language Pt2

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JHOPAOALTPAIIEP FPOBHTEOTUPE

# F__EJ@IX IFLGUFGE

^PAGPFJJHLG

^fpt 0^HO Fssej`ix Iflgufge culdfjeltfi


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Hlstpuothal set ac ^HO62

^HO62C0455!055>!4455!455> dehoes hloap~apfte tbe

stfldfpd set ac 75 ^HO62 oape hlstpuothals,

Jast hlstpuothals fpe f shlgie ~pagpfj jejapx wapd 63 `hts(

`ut tbepe fpe caup hlstpuothals tbft pevuhpe twa ~pagpfj

jejapx iaofthals,

Efob shlgie*wapd hlstpuothal hs f 63*`ht wapd dhhded hlta fl

a~oade) wbhob s~eohches tbe hlstpuothal tx~e fld ale ap jape

a~epflds) wbhob cuptbep s~eohcx tbe a~epfthal ac tbe

hlstpuothal,


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Tbe hlstpuothal set hs bhgbix aptbagalfi fld hs gpau~ed hlta

caup `fsho oftegaphes=

@xte*aphelted a~epfthals

@ht*aphelted a~epfthals Ihtepfi a~epfthals

Oaltpai a~epfthals

Fl Fssej`ix iflgufge hlstpuothal oalshsts ac caup cheids=

[if`eiZ jlejalho [a~epfldsZ [; oajjeltZ


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Jast `xte*aphelted hlstpuothals bfe tbpee a~epflds=

6, Tbe chie peghstep "s~eohched `x c(

0, Tbe desthlfthal ac tbe pesuit "s~eohched `x d(

?, Tbe fooessed jejapx "s~eohched `x f(

Tbe chie peghstep deshglftap c s~eohches wbhob chie peghstep hs ta

`e used `x tbe hlstpuothal,

Tbe desthlfthal deshglftap d s~eohches wbepe tbe pesuit ac

tbe a~epfthal hs ta `e ~ifoed, Hc d hs }epa) tbe pesuit hs ~ifoedhl tbe WPEG peghstep, Hc d hs ale) tbe pesuit hs ~ifoed hl tbe

chie peghstep s~eohched hl tbe hlstpuothal,


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@ht*aphelted a~epfthals

Fii `ht*aphelted hlstpuothals bfe tbpee a~epflds=

6, Tbe chie peghstep "s~eohched `x c(

0, Tbe `ht hl tbe chie peghstep "s~eohched `x `(

?, Tbe fooessed jejapx "s~eohched `x f(

Tbe `ht cheid deshglftap ` seieots tbe luj`ep ac tbe `ht

fcceoted `x tbe a~epfthal) wbhie tbe chie peghstep

deshglftap c pe~peselts tbe luj`ep ac tbe chie hl wbhob

tbe `ht hs iaofted,


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@ht*aphelted a~epfthals


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Ihtepfi a~epfthals

Tbe ihtepfi hlstpuothals jfx use saje ac tbe caiiawhlg

a~epflds=

F ihtepfi fiue ta `e iafded hlta f chie peghstep "s~eohched `x

k(

Tbe deshped C_P peghstep ta iafd tbe ihtepfi fiue hlta

"s~eohched `x c(

La a~epfld pevuhped "s~eohched `x (


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Ihtepfi a~epfthals


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Oaltpai a~epfthals

Tbe oaltpai hlstpuothals jfx use saje ac tbe caiiawhlg

a~epflds=

F ~pagpfj jejapx fddpess "s~eohched `x l(

Tbe jade ac tbe OFII ap PETUPL hlstpuothals

"s~eohched `x s( Tbe jade ac tbe tf`ie pefd fld tf`ie wphte

hlstpuothals "s~eohched `x j(

La a~epfld pevuhped "s~eohched `x (


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Oaltpai a~epfthals


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Fii hlstpuothals fpe f shlgie wapd) eroe~t cap caup dauìe*wapd

hlstpuothals,

Fii shlgie*wapd hlstpuothals fpe ereouted hl f shlgiehlstpuothal oxoie) uliess f oaldhthalfi test hs tpue ap tbe

~pagpfj oaultep hs obflged fs f pesuit ac tbe hlstpuothal, Hltbese ofses) tbe ereouthal tfkes twa hlstpuothal oxoies whtbtbe fddhthalfi hlstpuothal oxoies( ereouted fs f LA^,

Tbe dauìe*wapd hlstpuothals ereoute hl twa hlstpuothaloxoies,

îefse pecep ta ^HO dftfsbeet cap detfhi hlcapjfthal,


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Erfj~ie

APG >r0>

PEG> EVU >r>>

PEG6 EVU >r>6

PEG0 EVU >r>0

JASIW >r?7JASWC PEG>)>

JASIW >r80

JASWC PEG6)>

FDDWC PEG>)>

JASWC PEG0) >

_IEE^


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Oade fssejìx iflgufge ushlg ^HO62 hlstpuothal set

Ta è jape ~peohse) tbe hlstpuothal set ofl è dhhde ta 7 gpau~=

Jae Dftf Oa~x( fld Iafd

Fphtbjetho

Iagho

^pagpfj Pedhpeothal @pflob!Muj~(

@ht Jflh~uifthal

Tfìe Pefd!Wphte

Jfobhle Oaltpai


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Jae fld Iafd Hlstpuothals


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Fphtbjetho Hlstpuothals 6 ac ?(


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Fphtbjetho Hlstpuothals 0 ac ?(


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Fphtbjetho Hlstpuothals ? ac ?(


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Iagho Hlstpuothals


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@pflob Hlstpuothals


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Ofii fld Petupl Hlstpuothals


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@ht Jflh~uifthal Hlstpuothals


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Test fld _kh~ Hlstpuothals


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Hlopejelt!Deopejelt fld _kh~ Lert Hlstpuothal


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Tf`ie Pefd!Wphte Hlstpuothals 6 ac 0(


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Tf`ie Pefd!Wphte Hlstpuothals 0 ac 0(


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Jfobhle Oaltpai Hlstpuothals


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Fssejìhlg fld ihlkhlg ~paoess hl ^HO62 ^pagpfj

Tbe ste~s ta opefte fl ereoutfìe Fssejìx iflgufge ~pagpfj


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Chpst we use f tert edhtap ta tx~e hl f ~pagpfj, ^HO

jhopaoaltpaiieps) we use tbe JÎF@ HDE) wbhob bfs f tert

edhtap) fssejìep) ihlkep) shjuiftap) fld juob jape fii hl ale

sactwfpe ~fokfge,

_aupoe chie bfs tbe ertelshal "fsj", Tbe "fsj" ertelshal cap

tbe saupoe chie hs used `x fl fssejìep hl tbe lert ste~,

Tbe fssejìep oalepts tbe hlstpuothals hlta jfobhle oade,

Tbe fssejìep whii ~paduoe fl a`meot chie fld fl eppap chie,


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Tbe ertelshal cap tbe a`meot chie hs ">", Tbe ertelshal cap tbe

eppap chie) wbhob oaltfhls flx sxltfr eppaps fld tbehp ihle

lujèps) hs "epp",

Fssejìeps pevuhpe f tbhpd ste~ ofiied ihlkhlg, Tbe ihlk

~pagpfj tfkes ale ap jape a`meot chies fld ~paduoes f ber

chie) f ihst chie) f jf~ chie) fl hltepjedhfte a`meot chie) fld f

deùg chie,

Fctep f suooesscui ihlk) tbe ber chie hs pefdx ta è ùpled hlta

tbe ^HO's ~pagpfj PAJ fld hs dawliafded hlta tbe ^HO

Tpfhleps


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^HO fssej`iep ~pahdes us tbe eppap chie whtb tbe ertelshal ac

"epp" fld tbhs hs tbe chie we erfjhle ta see tbe lftupe ac

sxltfr eppaps,

Tbe 6st ihst( fld jf~ chies fpe epx usecui ta tbe ~pagpfjjep,

Tbe ihst sbaws tbe `hlfpx fld saupoe oade, Tbe jf~ chie sbaws

tbe jejapx ifxaut ac used fld ulused jejapx iaofthals,


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^pagpfj oaultep hl tbe ^HO

Tbe ~pagpfj oaultep hs used `x tbe OÛ ta ~ahlt ta tbe

fddpess ac tbe lert hlstpuothal ta è ereouted,

Fs tbe OÛ cetobes tbe a~oade cpaj tbe ~pagpfj PAJ) tbe~pagpfj oaultep hs hlopejelted futajfthofiix ta ~ahlt ta tbe

lert hlstpuothal,

Tbe whdep tbe ~pagpfj oaultep) jape tbe jejapx iaofthals fOÛ ofl fooess,

Tbe ~pagpfj oaultep hl tbe ^HO 62 cfjhix hs 06*`ht, Tbhs jeflstbft tbe ^HO 62 cfjhix ofl fooess ~pagpfj fddpesses >>>>>>ta H CCCCCB) f tatfi ac 0J ac oade,


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PAJ jejapx jf~ hl tbe ^HO62 cfjhix

Ht just `e lated tbft wbhie tbe chpst iaofthal ac ~pagpfj PAJ

hlshde tbe ^HO bfs tbe fddpess ac >>>>>>) tbe ifst iaofthal ofl

`e dhccepelt de~eldhlg al tbe sh}e ac tbe PAJ al tbe obh~,

Chld tbe PAJ jejapx fddpess ac efob ac tbe caiiawhlg ^HO

obh~s=

f( ^HO H 2C000> whtb 4 K@

`( ^HOH2C046> whtb 63 K@

o( ^HOH2C452 whtb ?0 K@


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f( ^HO H 2C000> whtb 4 K@

Whtb 4K ac al*obh~ PAJ jejapx

s~foe) we bfe 4>83 `xtes 4 r 6>04 :

4>83(,

Tbhs jf~s ta fddpess iaofthals ac

>>>> ta ACCCB, Lathoe tbft > hs fiwfxs

tbe chpst iaofthal,


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`( ^HOH2C046> whtb 63 K@

Whtb 63K ac al*obh~ PAJ jejapx

s~foe) we bfe 63)?24 `xtes 63 r 6>04

: 63)?24()wbhob ghes >>>>*?CCCB,


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o( ^HOH2C452 whtb ?0 K@

Whtb ?0K we bfe ?0)732 `xtes ?0 r

6>04 : ?0)732(, Oalepthlg ?0)732 ta

ber) we get 2>>>B; tbepecape) tbe

jejapx s~foe hs >>>> ta 7CCCB,


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Wbepe tbe ^HO wfkes u~ wbel ht hs ~aweped u~1

Ft wbft fddpess daes tbe OÛ wfke u~ wbel ~awep hs

f~~ihed1

tbe jhopaoaltpaiiep wfkes u~ ft jejapx fddpess >>>> wbel

ht hs ~aweped u~,

Hl atbep wapds) wbel tbe ^HO hs ~aweped u~) tbe Ô ~pagpfj

oaultep( bfs tbe fiue ac >>>>> hl ht, Tbhs jefls tbft ht

er~eots tbe chpst a~oade ta è staped ft PAJ fddpess

AAAAAB,


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Cap tbhs pefsal) hl tbe ^HO sxstej) tbe chpst a~oade just è

ùpled hlta jejapx iaofthal AAAAAB ac ~pagpfj PAJ

èofuse tbhs hs wbepe ht iaaks cap tbe chpst hlstpuothal wbel hts

àated,

We fobhee tbhs `x ushlg tbe APG stftejelt hl tbe saupoe

~pagpfj,


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^ifohlg oade hl ~pagpfj PAJ

Ta get f `ettep uldepstfldhlg ac tbe paie ac tbe ~pagpfj

oaultep hl cetobhlg fld ereouthlg f ~pagpfj) we erfjhle tbe

fothal ac tbe ~pagpfj oaultep fs efob hlstpuothal hs cetobed

fld ereouted,


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;^HO Fssej`ix Iflgufge ^pagpfj Ta Fdd _aje Dftf,

;stape suj hl chiePeg iaofthal iAB,

_UJ EVU 6>B ; PFJ iae 6>B cap suj

APG AB ;stfpt ft fddpess >

JASIW 05B ;WPEG : 05

FDDIW Ar?4 ;fdd ?4B ta WPEGFDDIW 66B ;fdd 66B ta WPEG

FDDIW D'62' ;W W + 60B : 7OB

FDDIW iOB ;W : W + iOB : 82B

FDDIW @' >>>>>66>' ;W : W + 3 : 8EB

JASWC _UJ ;sfe tbe suj hl iao 6>B

BEPE GATA BEPE ;stfx bepe capeep

ELD ;eld ac fsj saupoe chie


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Cap tbe ^HOH2) tbe hlteplfi dftf ùs ètweel tbe oade PAJ

fld tbe OÛ hs 63 `hts,


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Eld ac ~fpt 0) ta `e oalthlued hl ~fpt ?

Chapter2-Microcontroller Architecture & Assembly Language Pt2

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