5.4. K R 580V V 51A program m alash tirilad igan k etm a-k et interfeys qurilm asi. M i k r o s x e m a K R 5 8 0 V V 5 1 A - bu u n iv e r s a l s i n x r o n - a s i n x r o n q a b u l l o v c h i -
u z a tu v c h i q u r u l m a b o ’ lib, ( U S A Q U Q ) , K R 5 8 0 V M 8 0 A , K M 1 8 0 1 V M yo k i
u s h b u m i k r o s x e m a n i
ke ra k li
r e j i m d a is h la sh i
u c h u n
p r o g r a m m a l a s h t i r a
o la d i g a n q u r i l m a b ila n k e t m a - k e t u z a ti s h p r o t o k o l i a s o s i d a m a ’ lu m o t u z a ti s h va
q a b u l q ilis h n i a m a l g a o s h ira d i. M i k r o s x e m a n i sh artli g r a f i k b e lg i la n i s h i 5.8-
r a s m d a k o ’rs a tilg a n .
ч _
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I J _
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I2_
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6
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2
4
T xC
IOP
T x D
C I S
TxH N D
R x D
T x R D Y
R xC
D SR
C
SR
W R
C S
R x R D Y
R D
S Y /B D
C O D
D7
D6
D5
1)4
1)3
D2
D l
D I R
DO
R TS
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5.8-rasm. К11580] I 51.1 seriyadagi mikrosxemani shartli graft к belgilanishi .
M i k r o s x e m a p r o t s e s s o r d a n q a b u l q ilg an pa ra lle l k o d n i y o r d a m c h i bitlar
q o ' s h g a n h o ld a s i m v o l l a r k e t m a - k e t l i g i g a a y la n t ir a d i v a bu s i m v o l la r n i k e tm a -
k et b o g ’lanish k a n a l i g a h a r xil t e z l i k d a k e t m a - k e t u zata d i. B u n d a n ta s h q a ri u
teskari o 'z g a r t i r i s h n i h a m a m a l g a o sh ira d i. Y a ’ni, k e t m a - k e t s i m v o l l a r n i sa k k i z
razryadli p a ra l le l s o ’z g a a y la n t ir a d i. K e r a k b o ’lsa q a b u l q i l in u v c h i va
u zatilu v ch i a x b o r o t to q l ik y o k i j u f t l i k k a te k s h irilish i h a m m u m k i n . M i k r o s x e m a
h o z ir d a m a v j u d b o ’ lgan k e t m a - k e t a x b o r o t u z a ti s h p r o t o k o l l a r i n i n g h a m m a s i g a
p r o g r a m m a l a s h t i r i l i s h i m u m k i n . IJ ikkita sin x r o n v a a s i n x r o n r e j im la r d a
ishlaydi. M i k r o s x e m a n i u y o k i bu is hla sh r e j i m i g a p r o g r a m m a l a s h t i r i s h m o s
h o ld a m i k r o s x e m a re g i s tr ig a b o s h q a r i s h s o ’zin i y o z i s h bilan a m a l g a oshirilad i.
A x b o r o t n i k e t m a - k e t k a n a l b o ’y ic h a m a k s i m a l u z a ti s h v a q a b u l qilis h
178
tezlig i 6 4 K , m i n i m a l te z lik c h e k l a n m a g a n v a u ichki q u r i l m a o rq ali an iq lan ad i.
M i k r o s x e m a n i o y o q l a r i n i n g vazifala ri 5 . 5 - j a d v a l d a k eltir ilgan.
M i k r o s x e m a n i a s o s iy b o s h q a r is h s ig n a lla ri W R va R D , C O / D , C S lardir.
B o s h q a r u v c h i s i g n a ll a r n i m a v j u d k o m b i n a t s i y a s i v a s i s te m a d a a x b o r o t uzati sh
y o ’nalish i 5 . 6 - j a d v a l d a keltirilgan.
K R580V V51m ik rosxem asin i chiqishlarini vazifalari
5.5-jadval
Oyoq Belgi
Turi
Vazifasi
1,2
D2
Kirish/Chiqish
M a ’l u m o t kanali
5-8
-
m i k r o p r o t s e s s o r va
2 /,28 D7
DO
m i k r o s x e m a bilan m a ’lu m ot
a l m a s h i n i s h uchiin
3
RxD
Kirish
M i k r o s x e m a D riv om nisi
4
G N D
Kirish
U m u m i y
9
TxS
Kirish
IJ z a tis h n i s i n x ro n la s h
10
WR
Kirish
A x b o r o t l a r n i uzati sh
1 1
CS
Kirish
Krisfall tan lash
12
C O /D
Kirish
R o s h n a r i s h / M a 'l u m o t
13
RD
Kirish
A x b o r o t o ’oish
14
R xRD Y
Chiciish
P r i v o m n i k n i favvorlipi
15
T xRD Y
Chiaish
P e ri d a tc h i k n i tavvorliui
16
S Y N D E T
/B D
Kirish/Chiqish
Ikki t o m o n l a m a p r o g r a m m a
la s h ti ril a d ig a n k ir ish /ch iq ish
17
CTS
Chiqish
Ic hki q u r i l m a n i m a ' l u m o t
o l i s h r a tavvorlipi
18
T x EN D
Kirish
U z a tis h n i tu g as h i
19
T x D
Kirish
M i k r o s x e m a Deredatchiki
20
S
Chiqish
S in x r o n la s h
21
SR
Kirish
B o s h l a n g ’ ich holatni
o ’rn atish
22
DSR
Kirish
Ichki q u r i l m a n i m a 'l u m o t
u z a ti s h g a ta y y o rlig i
23
RTS
Chiqish
Ich ki q u r i l m a p r i y o m n i g in i
m a ' l u m o t q a b u l i g a s o 'r o v i
24
DTR
Chiqish
Ich ki q u r i l m a p e r e d a tc h ik in i
m a ' l u m o t u z a ti s h g a s o ’rovi
25
RxC
Kirish
Q a b u l n i si n x r o n la s h
26
Ucc
-
T a ' m i n o t k u c h la n i s h i
179