Uni

vers

ity o

f Pun

e S.

E. I.

T.

Subj

ect c

ode:

214

442

Part

33

: Bus

es a

nd P

orts

Com

pute

r Org

aniz

atio

n

UN

IT

V

Tush

ar B

. Kut

e,

Dep

artm

ent o

f Inf

orm

atio

n Te

chno

logy

, Sa

ndip

Inst

itute

of T

echn

olog

y &

Res

earc

h Ce

ntre

, Nas

hik.

ht

tp:/

/tus

hark

ute.

com

Wha

t is a

Bus

?

A co

mm

unic

atio

n pa

thw

ay c

onne

ctin

g tw

o or

m

ore

devi

ces

Usu

ally

bro

adca

st

Oft

en g

roup

ed

A nu

mbe

r of c

hann

els

in o

ne b

us

e.g.

32

bit d

ata

bus i

s 32

sepa

rate

sing

le b

it ch

anne

ls

Pow

er li

nes m

ay n

ot b

e sh

own

Tim

ing

Co-o

rdin

atio

n of

eve

nts o

n bu

s Sy

nchr

onou

s Ev

ents

det

erm

ined

by

cloc

k sig

nals

Cont

rol B

us in

clud

es c

lock

line

A

singl

e 1-

0 is

a bu

s cy

cle

All d

evic

es c

an re

ad c

lock

line

U

sual

ly sy

nc o

n le

adin

g ed

ge

Usu

ally

a si

ngle

cyc

le fo

r an

even

t

Type

s

Sync

hron

ous

bus

Asyn

chro

nous

bus

Sync

hron

ous T

imin

g Di

agra

m

Tim

ing

with

pro

paga

tion

dela

y

Asyn

chro

nous

Inpu

t Tra

nsfe

r

Asyn

chro

nous

Out

put T

rans

fer

Inte

rfac

e Ci

rcui

ts

Para

llel P

ort

Prin

ter P

ort

CPU

Por

ts

Seria

l Po

rt

Seria

l Por

t

Refe

renc

es

Web

sites

: ht

tp:/

/en.

wik

iped

ia.o

rg

Com

pute

r Arc

hite

ctur

e an

d O

rgan

izatio

n

By A

. P. G

odse

(fro

m b

ooks

.goo

gle.

com

)

Com

pute

r Org

aniza

tion

By

Ham

ache

r and

Zak

y