‘ CoA Unit-41 Notes Functional writs and thoy Snbeconnechoru? 7 ee ae veorpilen | daeilak syslory Az oa wk zl Uri > Ewtal Paroeuse ingy Unit ( cPU) ead > Bud structure - rnbul | wit deste Dapee o of, Con * Notes amd (Unit 2 notis (about bus) eeBuses, bus Architecture, types af buses antl bus debitrodrin Bus: “S Bus da communi cation Aystiny Hak alps dat bamifer- betiveen difpernact mcdues of ts omputer: ee >A bw we pommunicalion porrry move devices’ FA bus ds a qoup afaditead Lines rots Hee O°" ema aisle: an > A bus seomsisks of multiple Linn a i ae | rn, , © Cotiol Pes Bate Bus2- Matt. Livss “poovits putt. dor moving. date: beliwecrs - Bidévectional : > Width of databus 4 nmbu. Lins un data but_Addsas Bus: ( Uniclisectioval ) > Tht addrs Limes axe used olut Cine) the sourer, ov dastivuction of ote dati on othe dit beu feria Be F 5 stad ov wate a Komnples at ae “igo aabis o dered word eee The wih of adlsas bus olelercines x onan fesse U cowiol Burs (Bidirectional) The anita dinw ont wed 5 cowkel aie actus te — tonbl sigals damask batt, ommandl ancl titnming bformoe Timing ipsa) inde Ye wabilily of cela andl acts aie ofthe. L comntrd pas acy options be poo = Typical Aviso! Lina include = Meriva waite = Request pu Memory Read esa Ack ~ Fo wale = ae — Ifo Read - etc: ards tos ayn_ Multiplexed Deed bun lint in -permnarortly. eaniyad etthur to ont fumtlion ev to a. pluysical Aubset of compl. comport - 2s Example of, Aunchionol clidicacion oe he ube 4 sepassile elechicated addsas ond data dines: = Multiplexed 2 Addyrrs amd olath sido vastion be toaamilted anvad ct of ened Using an Addsoss valid contol i sta adda placed The addaws is tam ase wed fer gubsepumt seo pnubipleri ag ) knowonaa time© Buy Arbibulions ~ Move thom ove rodaube mang booed corto of He bus €4 CPU amd py Combialler + neod fo read oO» wovils dandy 1 He memory a aah Ciedsia cil teas neocon e pours by wekioy malls suqpuails Om a ee rau) ae them atebitrodi a fa pen — pabthrotlon caw be — coudiabized /Mocabiged = eeordbaliged | visbibused > An a awiteoligd slo , a, ing hdtv, Med a bur wowkcller ov anit, ot spi gor allan Bim or She buss The diwice may be a 42h rmodlube & fart of He ~prowssor: np pentiat rovioller- Ratios, ~ da dinteibutad Acbume , Hane 4 A cacy edule combi accus Lovo Logic avd tha module act together to shore Yho bus spit batt, mule of antitaation , Hs purpote is to oltionale yas dwvice, eittn athe prowssor or am To module , or masta, The master naauy inthe a date twanbpr (e4; goad ov wale) t iv avs as Alove ad thus= we Fs way din obit everrla are ng. Timung tb cae CO al ~ Buses we — Spruchronous Tm oy Aayarheontua Toning Sipechvonous Toning + - With synchronous diiutirg Yer occutownee. of Har oventls om Yio bus 1 defined a Alek: : co ~The bus includes a velock Line Eien eee Hamsmits a reqular Aiprence of altevrttive O° Vs of eyuml duration. A 6 ie eile wi aad tb ob a flock, bea ea K ee a ~All eves starts ot the bepmning of a lock eyele- 2 dle, 0 Ps _\— a+ with ronous Timing , the ocewuwncee Reena on a bus aa ond dsbonils on ithe pewwsence of a Previews event > No tock.Qua Arbdaotion Teclut s fove Prdisly ait Ragpaiting bs torvitiolla-Dadey- chain Method o Saial Methods 2 a anquast of bud usage ow be placul by amy vrai ronnece 3 Ths bus toviolien galt Alu bus ty the dist module 3 > ts module gtauticdober, oho tos hoon grated bus Te. desvet have not Requested Yor bud , will orvoasd He pom He He ort module - 3 4 the nodule whe ws Kawi he gant wants to we bud, makes the 4 ‘act’ andl ube te bus. aie musing bus , Hoe rmodluls unset ths busy Aisadventages Maduls tas aoe fired Priestly Palle ae : Lita d Polling count Line =h . Mox Ni of, comnuclad modulus Q°' > Modules — gequasts ba bus wang “Bus Requust” Line - > bur cortollr las 2" es on the ceo i lacie ees lariat 2? The omoclule, veluth, + j eS oth bub , OOM, be ude he bus. aie > Piowlly as det by Ale bos eotobler > Tt ik Hone conbuming matheel «Tale pendleu Requast Prbitenivow Technique? bus wowkiolle, ry so “Bua 9 +? and Bus Request? ic > Tadividlual module om auquust to He bus conkiel fag a oie Dek Raga” de fk, Bud contol wean opal the bus ae Hea nodule #8 vohith hod Requestid for Ha bur: S Bid Roe weted wma sea cost ah te bgp” > Sette becameBus dud Memory Trunrfer’ 5p typical digitt compu. bod ae Feed Le provid 3 ramp ot pe susfaky ap ; 5 dgmmaon, bub Abate > ubing Muti pare — using ais tot Bate sag Mubsiphren! Fone) mule =e Yi ae fhe ee Pld 3 oa Read? DRE MAR] DRO Dole Rapist pods i mune Apeifcd 4 Regester Memon Waile’, Tha + an revo info i inal Ji Hormencny a0Kepistin — Aaj om vad Ate cae Simply > Te mystin du CPU “ferfouma die tela | Dsexr Vistble isles ¢ — A ube Visibe i ! ge thal oe te pd exeudes a 4 abgorios — Grouse! Purpose - Adada Register - Adldsess Ruste, es enti Crenual f ee ay He RO — povlorusAddons Regiatir ; Acldress Register be duyatid AS & -fortiveutos addurssing odes Examples : ae Incl» Register Slack font . ~ Segnumck Rainn holds the acdaess of the base of Hoe Sagmaut um he — Tatler Pagustins ant uded for tnduxed addussnng anal muy be outs indeed - Stack forbs, point ts stu op of ths atack,. This allows implidt ing that As push, pop md ota Abu, systuutiors ned net 44 corer an expliett condition Cocles ( Also sufurred -to as Plage): eoudiion weeds wi We bite sel by Hla browser ondwae GA ithe Anbulk of euion + in Excvmple 3 sea ach : — Zero Ruut ~ Overflow ee.> Reaislne employed fo -eaubiol ats operalion of froviter 5 Not visible +o #he uieg: > Four Regist ma essential + insuustion exewtion © Progra covmbiy © snsbuchion Register @ M pddsess Key ata (MAR) Oe a tao ~ Prexgar enuntin, yeordosins tox acd ha sinsharchon tbe fetta pine ees ha addins ea ocabein sin he more” 4 MR ep MBR( Memory Buster Ragin) nntsint ee sa dat ay be varitlen to momo Oo A 1 secon goad ~ aa “paw: Proytem taba West vy rem i ae Ps WwW, da te Atobies Signs rnin Hea ab bik os HE an ee i. evga Eee DS wees CeEqual cat ya degieat emt sent ia egpi Querfiews used 1 in dicoke withmotic eee Eribanupt Enable [elisable's used te enable or disable intorupls Supervisory : - jndicabes rolether- the ae as executing Supervisor w us mnede be + eviledged Bastions 20% al ay suspowised mode » a rte manny wis mb wa yep mothe -~ Topic Proussor_Organtnahin ¢ Proussor apwlaws ALU, CV ond Regulars ALUS Te ALL (Arithmetic Logic Uvit) dow Hes actual in OL 232i dhe oy > CU! conbiel wit CV wovbiols She overeat of cate omd insfencion ator a oma ovritiols Yhs. operation ef ALU: > Ragas ¢ mmbnimal drlanal mune Aotmalic dogic UvikA protester dow Shs aber aa — Fetth Tnstauction — Tatupact nstuclion = Fetch Aate z Folch Zoabeuckon £ Tha -prowsenr Reais tn bastion ore : : ee Tatinpact Toschi a insastion e daldel 3 dione sont actions Seqpubed « =F dle te enti ulin wt = date. sor ob ow T{o Mm Protens Hal Ta exenilion am instruction 20s AAEM - Prous Ss sa na pl oe on Sas ato — pale Dates The Aosult euclion senpabe vosiles oe am ex se Loo se mle _SEY 2 3 3 corhial werd Reaistes Set voit eornmon ALU __ Tes odtpack pene Reiss, Jo seamed a sfwo muh plixer.s E5 dows Hoe buses A od B- ~ Ae seledtion Lies im each ouuttiplexer, Aelids one Register 7 Ths buses A ond B fev Hes bf 2. emer HLL 7 Te an delucted du the ALU detormiys te orittrmetic OH lege rieneteni Ha 1 be. -ferferene > Te psu ds awallable, dor out Aa and goo “Bape of a nagiie gile do oun 2 det by & dacedis. Te Airoder actives one eh Hot Aeyist oad es Jute thesone sine Table of ofessttinnoo Topic. > stoves tnformilion as LIFO Ota (Last In Frat 0 > Te spite st dale Sane ie la a0 Atauk, Poinden’ Wh fo Ste Top olmah- > Sack Piutn's vale alwougs i. 2 Two eporlioms or Atac D fhe ® Pop 2 Push <> to drat om eloynyat tin Hea AlEK Pop <2 te deli om alae cto 1 whandiak 4A See mbty ty 1 oln Aaok 4 ut) ee at ca me em > . many wor’ % d 3 Gfack, tun beD° ellution & > ample. a-— vod git le meme |C2 i > Pull Le] Sts not gall [Betty J Eahasal a © nol eas ari Rie eee |e : B 2 A TP] e— lecabion 1 will alongs Stores FIRST elmund- oO°c. nate SPL0 EMPTY<] Full <—o 2 (Full= ©) 2 now than ie ivaeited * woith push ob Y CemrTy=0) > am lim cambe dalled from Ate a Cth pepehoat h. as - : + stack Roonta SPeasiel lid a oh, hack* MEsPIs PR tonits om a top of = if (Reabe sP=0) then FULL S| EMPTY <—O MsPI denol he vod Apex feed byte a ed jm “The iti 9 alot a re it lan 8 Aad ee adaek, oct addsuss |. park ot addins 0. b DP new dom "a dutsuat-tuorn Hae teak stack Jb net empty Sere Ao sp &- spol 3 Beoonand SF if (seo) thew EmPT eunpely eee 2. ea