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Санкт-Петербургский государственный электротехнический университет "ЛЭТИ"
Предмет:
Микропроцессорные системы
Файл:

Микропроцессор 80386 / 386TECH / TECH1XX

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48 ЎЁв®ўл© гЄ § вҐ«м ”Ё§ЁзҐбЄЁ©
--------------------  ¤аҐб
/ \ _________
---------------------- | | /|\
| ‘ҐЈ¬Ґ­в I ‘¬ҐйҐ­ЁҐ | | | | 4Љ Ў ©в®ў
---------------------- |_________| \|/
15 I 31 I 0 | | /|\
I I============== | | | 4Љ Ў ©в®ў
I I |_________| \|/
I ----------------- I ------------ | | /|\
I | Џа ў  ¤®бвгЇ  | I | 80386 | | | | 4Љ Ў ©в®ў
I |---------------| I | ¬Ґе ­Ё§¬ | дЁ§Ё- |_________| \|/
I | ѓа ­Ёж  | I | бва ­Ёз- | зҐбЄЁ© |_________| /|\
I |---------------| \|/ | ­®© |  ¤аҐб | ЋЇҐа ­¤ | | ”Ё§ЁзҐбЄ п
I==>| Ѓ §®ўл©  ¤аҐб |===> + ========>| ®аЈ ­Ё§  |------->| Ї ¬пвЁ | | бва ­Ёж 
---------------- 32 ‹Ё­Ґ©­л© | жЁЁ | Ђ¤аҐб |_________| | 4Љ Ў ©в®ў
„ҐбЄаЁЇв®а  ¤аҐб | Ї ¬пвЁ |_______\|_________| \|/
ᥣ¬Ґ­в  ------------ ЇаЁ /| | /|\
бва ­Ёз-| | | 4Љ Ў ©в®ў
­®© |_________| \|/
бвагЄвгаҐ| | /|\
| | | 4Љ Ў ©в®ў
|_________| \|/
| | /|\
| | | 4Љ Ў ©в®ў
|_________| \|/

ђЁб.4-2. ‘ва ­Ёз­®Ґ гбва®©бвў® Ї ¬пвЁ Ё ᥣ¬Ґ­в жЁп
.
- 37 -



~ Џ ¬пвм ~
| |
| |
/|-----------------|\
| | «о§ ЇаҐалў ­Ёп | |
| | N% n | |
| |-----------------| |
| | «о§ ЇаҐалў ­Ёп | |
| | N% n-1 | |
| |-----------------| | ’ Ў«Ёж 
/ | . | \ ¤ҐбЄаЁЇв®а®ў
–Ґ­ва «м­л© Їа®жҐбб®а --> \ | . | / ЇаҐалў ­Ё©
__________________________ | | | . | |
| | | | |-----------------| |
| 15 0 | | | | «о§ ЇаҐалў ­Ёп | |
| __________________ | | | | N% 1 | |
| | ѓа ­Ёж  IDT |-|--- | |-----------------| |
| __|__________________| | | | «о§ ЇаҐалў ­Ёп | | /|\ “ўҐ«ЁзҐ­ЁҐ
| | | | \| N% 0 |/ |  ¤аҐб®ў
| | Ѓ §  IDT |-|---------->|-----------------| | Ї ¬пвЁ
| |_____________________| | | | |
| 32 0 | | |
| | ~ ~
--------------------------

ђЁб.4-4. €бЇ®«м§®ў ­ЁҐ ॣЁбва  в Ў«Ёжл ¤ҐбЄаЁЇв®а®ў
ЇаҐалў ­Ё©
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‘Ґ«ҐЄв®а

___________________/\__________________
/ \

15 4 3 2 1 0
-----------------------------------------
‘ҐЈ¬Ґ­в­л© | | | | | |Ti | RPL |
ॣЁбва | 0 | 0 - - - - 0 | 0 | 1 | 1 | 1 | | |
-----------------------------------------
\_____________ _____________/ |“Є § вҐ«м в Ў«Ёжл
\/ |---------------------------
€­¤ҐЄб | Ti=1 Ti=0 |
| \|/ \|/
| ----------- -----------
| N| | N| |
| -----//-------- Ќ®¬Ґа -----//--------
| --------//----- ¤ҐбЄаЁЇв®а  --------//-----
| | | | |
| |-----------| |-----------|
| 6| | 6| |
| |-----------| |-----------|
| 5| | 5| |
| |-----------| |-----------|
| 4| | 4| |
| |-----------| |-----------|
--------->3|„ҐбЄаЁЇв®а | 3| |
|-----------| |-----------|
2| | 2| |
|-----------| |-----------|
1| | 1| |
|-----------| |-----------|
0| | 0| Ќг«м |
------------- -------------
’ Ў«Ёж  ’ Ў«Ёж 
«®Є «м­ле Ј«®Ў «м­ле
¤ҐбЄаЁЇв®а®ў ¤ҐбЄаЁЇв®а®ў


ђЁб.4-10. ЏаЁ¬Ґа ўлЎ®аЄЁ ¤ҐбЄаЁЇв®а 
.
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31 12 11 10 9 8 7 6 5 4 3 2 1 0
---------------------------------------------------------------------------
| Ђ¤аҐб в Ў«Ёжл бва ­Ёж | ђҐ§Ґаў­ п | | | | | | | U | R | |
| 31...12 |®ЇҐа жЁ®­- | 0 | 0 | D | A | 0 | 0 | - | - | P |
| |­ п бЁб⥬ | | | | | | | S | W | |
---------------------------------------------------------------------------

ђЁб.4-20. ‚室 бва ­Ёз­®© ¤ЁаҐЄв®аЁЁ (гЄ § вҐ«Ё в Ў«Ёжл бва ­Ёж)


31 12 11 10 9 8 7 6 5 4 3 2 1 0
---------------------------------------------------------------------------
| Ђ¤аҐб да Ј¬Ґ­в  бва ­Ёжл | ђҐ§Ґаў­ п | | | | | | | U | R | |
| 31...12 |®ЇҐа жЁ®­- | 0 | 0 | D | A | 0 | 0 | - | - | P |
| |­ п бЁб⥬ | | | | | | | S | W | |
---------------------------------------------------------------------------

ђЁб.4-21. ‚室 бва ­Ёз­®© ¤ЁаҐЄв®аЁЁ (гЄ § вҐ«Ё в Ў«Ёжл бва ­Ёж)


’ Ў«Ёж  4-4. ‡ йЁв , ®ЎҐбЇҐзЁў Ґ¬ п ЎЁв ¬Ё
R/W Ё U/S
-------------------------------------------------------
| U/S | R/W | ‚®§¬®¦­®бвм ¤®б-| ‚®§¬®¦­®бвм ¤®б-|
| | | вгЇ  Є га®ў­о 3 | вгЇ  Є га®ў­п¬ |
| | | | 0, 1 Ё«Ё 2 |
|---------|---------|-----------------|-----------------|
| 0 | 0 | ЌҐв | —⥭ЁҐ / ‡ ЇЁбм |
| 0 | 1 | ЌҐв | —⥭ЁҐ / ‡ ЇЁбм |
| 1 | 0 | ’®«мЄ® з⥭ЁҐ | —⥭ЁҐ / ‡ ЇЁбм |
| 1 | 1 | ’®«мЄ® § ЇЁбм | —⥭ЁҐ / ‡ ЇЁбм |
-------------------------------------------------------
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---------------------------------------------------------------------------------
| ----------------------| |
| | ЏаЁЄ« ¤­ п Їа®Ја ¬¬  | ЏаЁЄ« ¤­ п Їа®Ја ¬¬  |
| | 8086 | 386 |
| __ ----------------------| |
| /| /\ | |
| #4 / / \ | |
| / / -\---------------------------- |
| / / | \#1 Ћб­®ў­ п § йЁв  ®в | |
| -------------- / | _\| ®иЁЎ®Є | |
| | ЋЇҐа жЁ®­­ п | / | ------------------- | |
| | бЁб⥬  ||__ | | Њ®­Ёв®а ўЁавг «м- | | |
| | 8086 | | #3 | ­®Ј® ०Ё¬  8086 | | |
| -------------- <-------|----- ------------------- | |
|-------------------------| |#2 |------------------------|
| | | | |
| | \|/ | |
| | ----------------- | |
| | | ђгвЁ­л ®вЄалвЁп | | |
| | | д ©«  Ћ‘ 386 | | |
| | ----------------- | |
| | | |
| | | |
| ------------------------------ |
| | |
| |--------------------------- |
| | ЏаЁЄ« ¤­лҐ Їа®Ја ¬¬л 8086 | |
| |--------------------------- |
| | |
| | |
---------------------------------------------------------------------------------
ЏаЁЄ« ¤­ п Їа®Ја ¬¬  8086 ®бгйҐбвў«пҐв ўл§®ў "ЋвЄалвм д ©«" - нв® ЇаЁў®¤Ёв Є
®б­®ў­®© § йЁвҐ ®в ®иЁЎ®Є (бв५Є  #1)
Њ®­Ёв®а ўЁавг «м­®Ј® ०Ё¬  8086 § еў влў Ґв ўл§®ў. ‚맮ўл Ћ‘ 386 (бв५Є  #2)
®вЄалвЁ© д ©«  Ћ‘ 386 ЇҐаҐ¤ Ґв гЇа ў«Ґ­ЁҐ Ћ‘ 8086 (бв५Є  #3)
Ћ‘ 8086 ЇҐаҐ¤ Ґв гЇа ў«Ґ­ЁҐ ЇаЁЄ« ¤­®© Їа®Ја ¬¬Ґ (бв५Є  #4)
Џа®§а з­л© ЇҐаҐе®¤ Є ЇаЁЄ« ¤­®© Їа®Ја ¬¬Ґ


ђЁб.4-25. ‚®бЇаЁпвЁҐ ЇаҐалў ­Ёп Ё ўл§®ў  ўЁавг «м­®©
б।л 8086
.
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ЏҐаҐ¤ з , вॡгой п ¤ў  жЁЄ-
«  Ї® 16-а §ап¤­®© иЁ­Ґ
¤ ­­ле

ЏаҐ¤л¤г- –ЁЄ« 1 –ЁЄ« 1Ђ –ЁЄ« 2
йЁ© Љ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л©
жЁЄ« (§ ЇЁбм) (§ ЇЁбм) (з⥭ЁҐ)
— бвм 1 — бвм 2

’2ђ ’1ђ ’2 ’2 ’1 ’2 ’2 ’1 ’2 ’2ђ
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
CLK2 _| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_
_ __ __ __ __ __ __ __ __ __ __
(82384 CLK) \ / \ / \ / \ / \ / \ / \ / \ / \ / \ /
\__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/
‚ᥣ¤ 
_ ______________________________________________________________________ ______
BE0#,BE1# \/ ‡­ зҐ­ЁҐ 1 / \/ ‡­ зҐ­ЁҐ 2 \/ ‡­.3
_/\______________________________/ "1" \______________/\______
_ ______________________________________________________ ______________ ______
BE2#,BE3# \/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2 \/ ‡­.3
A2-A31, _/\______________________________________________________/\______________/\______
M/IO#,D/C#
______________________________________________________
W/R# / \
_/ \______________________
_ ______________________ ______________ ______
ADS# \ / \ / \ / \
\______/ \______/ \______/ \______

"3" "3" "3"
____ ____ ________ ____ ________
NA# \/\/\/\/\/\/ \/\/ \/\/\/ "2" \/\/\/ \/\/\/ "2" \/\/\ /\/\/\/\/
/\/\/\/\/\/ \/ \/\/\________/\/\/ \/\/\________/\/\/\____/\/\/\/\/\
____
BS16# \/\/\/\/\/\/\/\/\/\/\/\/\/\ /\/\/\/\/\/\/\/\/\ /\/\/\/\/\/ \/\/\/\/\/
/\/\/\/\/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/ \/\/\/\/\
16-а §ап¤­л© 16-а §ап¤­л© 32-а §ап¤­л©
а §¬Ґа иЁ­л а §¬Ґа иЁ­л а §¬Ґа иЁ­л
____ ____ ____
READY# \/\/\/\ /\/\/\/\/\/ \/\ /\/\/\/\/\/ \/\ /\/\/\/\/\/ \/\
/\/\/\/\_____/\/\/\/\/\/ \/\____/\/\/\/\/\/ \/\____/\/\/\/\/\/ \/\__
___________ __________________________________________________ __________________
LOCK# \/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2
___________/\__________________________________________________/\__________________

d0-d15 d0-d15 d16-d31 d0-d15
____ ______________________ ______________________ __
D0-D15 _______/‚室\___/ ‚л室 \/ ‚л室 \________________/‚室
\____/ \______________________/\______________________/ \__

d16-d31 d16-d31 d16-d31
____ ______________________________________________ __
D16-D31 _______/‚室\___/ ‚л室 \________________/‚室
\____/ \______________________________________________/ \__

"1"-ЌҐ ЄвЁў­л© га®ўҐ­м ў вҐзҐ­ЁҐ ўв®а®© з бвЁ
"2"-ЌҐ  ­ «Ё§ЁагҐвбп
"3"-‡ ¬ҐзҐ­ЁҐ: NA# ў нвЁе б®бв®п­Ёпе ¤®«¦Ґ­ Ё¬Ґвм ­Ґ ЄвЁў­л© га®ўҐ­м,
зв®Ўл Ї®§ў®«Ёвм ў®бЇаЁпвЁҐ Їа®жҐбб®а®¬  ЄвЁў­®Ј® га®ў­п BS16# ў
Ї®б«Ґ¤­Ґ¬ ’2.
ЋЎ®§­ зҐ­Ёп: Dn- n-л© дЁ§ЁзҐбЄЁ© ўлў®¤ иЁ­л ¤ ­­ле
dn- n-л© а §ап¤ «®ЈЁзҐбЄЁе ¤ ­­ле
–ЁЄ«л 1 Ё 2 - Є®­ўҐ©Ґа­лҐ. –ЁЄ« 1  ­Ґ ¬®¦Ґв Ўлвм Є®­ўҐ©Ґа­л¬, ­® ҐЈ®  ¤аҐб
¬®¦Ґв Ўлвм Ї®«г祭 Ё§  ¤аҐб  жЁЄ«  1, Ї®нв®¬г  ¤аҐб жЁЄ«  1 ¬®¦­® ЇаЁЎ«Ё¦Ґ­­®
бзЁв вм Є®­ўҐ©Ґа­л¬  ¤аҐб®¬ жЁЄ«  1 .

ђЁб.5-21. €бЇ®«м§®ў ­ЁҐ бЁЈ­ «®ў NA# Ё BS16#
.
- 99 -



–ЁЄ« 1 –ЁЄ« 2 –ЁЄ« 3
­ҐЄ®­ўҐ©Ґа­л© ­ҐЄ®­ўҐ©Ґа­л© ­ҐЄ®­ўҐ©Ґа­л©
(з⥭ЁҐ) (з⥭ЁҐ) (з⥭ЁҐ)

’1 ’2 ’1 ’2 ’1 ’2

д1 д2 д1 д2 д1 д2 д1 д2 д1 д2 д1 д2 д1
__ __ __ __ __ __ __ __ __ __ __ __ __ _
CLK2 | | | | | | | | | | | | | | | | | | | | | | | | | | |
(ўе®¤) __| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__|

__ ______________________ ______________________ ______________________ ______
BE0#-BE3#, \/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 1\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 2\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 3\/
A2-A31, __/\______________________/\______________________/\______________________/\______
M/IO#,D/C#,
W/R# (ўл室л)

__ __________ __________ __________
ADS# \ / \ / \ / \
(ўл室) \__________/ \__________/ \__________/ \______



__________________________________________________________________________________
NA#
(ўе®¤)



______________ ______________ ______________ ____
READY# / \ / \ / \ /
(ўе®¤) ____/ \______/ \______/ \______/



__ ______________________ ______________________ ______________________ ______
LOCK# \/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 1\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 2\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 3\/
(ўл室) __/\______________________/\______________________/\______________________/\______


____ _____ _____ _____
D0-D31 ‚室\_ _ _ _ _ _ _ _ _ /‚室1\_ _ _ _ _ _ _ _ /‚室2\_ _ _ _ _ _ _ _ /‚室3\_ _
(ўе®¤ ў ____/ \_____/ \_____/ \_____/
жЁЄ«Ґ
з⥭Ёп) ‘ ¬лҐ ЎлбвалҐ ­ҐЄ®­ўҐ©Ґа­лҐ жЁЄ«л иЁ­л б®бв®пв Ё§ б®бв®п­Ё© ’1 Ё ’2


ђЁб.5-8. ‘ ¬лҐ ЎлбвалҐ жЁЄ«л з⥭Ёп ў ०Ё¬Ґ ­ҐЄ®­ўҐ©Ґа­®©  ¤аҐб жЁЁ

.
- 101 -



–ЁЄ« 1 –ЁЄ« 2 –ЁЄ« 3
Є®­ўҐ©Ґа­л© Є®­ўҐ©Ґа­л© Є®­ўҐ©Ґа­л©
(з⥭ЁҐ) (з⥭ЁҐ) (з⥭ЁҐ)

’1ђ ’2ђ ’1ђ ’2ђ ’1ђ ’2ђ

д1 д2 д1 д2 д1 д2 д1 д2 д1 д2 д1 д2 д1
__ __ __ __ __ __ __ __ __ __ __ __ __ _
CLK2 | | | | | | | | | | | | | | | | | | | | | | | | | | |
(ўе®¤) __| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__| |__|

______________ ______________________ ______________________ __________________
BE0#-BE3#,„®бв.§­ зҐ­ЁҐ1\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 2\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 3\/„®бв.§­ зҐ­ЁҐ 4
A2-A31, ______________/\______________________/\______________________/\__________________
M/IO#,D/C#,
W/R# (ўл室л)

__________ __________ __________ ______
ADS# / \ / \ / \ /
(ўл室) __/ \__________/ \__________/ \__________/



__ __________ __________ __________
NA# \ / \ / \ / \
(ўе®¤) \__________/ \__________/ \__________/ \______



______________ ______________ ______________ ____
READY# / \ / \ / \ /
(ўе®¤) ____/ \______/ \______/ \______/



__ ______________________ ______________________ ______________________ ______
LOCK# \/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 1\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 2\/„®бв®ўҐа­®Ґ §­ зҐ­ЁҐ 3\/
(ўл室) __/\______________________/\______________________/\______________________/\______


____ _____ _____ _____
D0-D31 ‚室\_ _ _ _ _ _ _ _ _ /‚室1\_ _ _ _ _ _ _ _ /‚室2\_ _ _ _ _ _ _ _ /‚室3\_ _ _
(ўе®¤ ў ____/ \_____/ \_____/ \_____/
жЁЄ«Ґ
з⥭Ёп) ‘ ¬лҐ Є®а®вЄЁҐ жЁЄ«л ў ०Ё¬Ґ Є®­ўҐ©Ґа­®©  ¤аҐб жЁЁ б®бв®пв Ё§
¤ўге б®бв®п­Ё© ’1ђ Ё ’2ђ


ђЁб. 5-9. ‘ ¬лҐ Є®а®вЄЁҐ жЁЄ«л з⥭Ёп ў ०Ё¬Ґ Є®­ўҐ©Ґа­®©  ¤аҐб жЁЁ
.
- 109 -


ЏҐаҐ¤ з , вॡгой п ¤ў  жЁЄ- ЏҐаҐ¤ з , вॡгой п ¤ў  жЁЄ-
«  Ї® 16-а §ап¤­®© иЁ­Ґ «  Ї® 16-а §ап¤­®© иЁ­Ґ
¤ ­­ле ¤ ­­ле


–ЁЄ« 1 –ЁЄ« 1Ђ –ЁЄ« 2 –ЁЄ« 2Ђ
•®«®б- ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© •®«®б-
в®© (§ ЇЁбм) (§ ЇЁбм) (з⥭ЁҐ) (з⥭ЁҐ) в®©
— бвм 1 — бвм 2 — бвм 1 — бвм 2

’i ’1 ’2 ’1 ’2 ’1 ’2 ’1 ’2 ’i
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
CLK2 _| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_

_ __ __ __ __ __ __ __ __ __ __
(82384 CLK) \ / \ / \ / \ / \ / \ / \ / \ / \ / \ /
\__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/

______________________________ ______________________________
BE0#,BE1# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 / "1" \/ ‡­ зҐ­ЁҐ 2 / "1" \/\/\/\/
/\/\/\/\/\/\______________/ \______________/ \/\/\/\

______________________________ ______________________________
BE2#,BE3# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2 \/\/\/\/
A2-A31, /\/\/\/\/\/\______________________________/\______________________________/\/\/\/\
M/IO#,D/C#
______________________________ _______
W/R# \/\/\/\/\/\/ \ /
/\/\/\/\/\/ \_____________________________/

_________ ______ ______ ______ ______________
ADS# \ / \ / \ / \ /
\______/ \______/ \______/ \______/

____ ____ ____ ___
NA# \/\/\/\/\/\/\/\/\/\/"2" \/\/\/\/\/\/"2" \/\/\/\/\/\/"2" \/\/\/\/\/\/"2"\/\/\/\/\/\
/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\___/\/\/\/\/\/


BS16# \/\/\/\/\/\/\/\/\/\ /\/\/\/\/\ /\/\/\/\/\ /\/\/\/\/\ /\/\/\/\
/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\_____/\/\/\/\/

16-а §ап¤­л© 16-а §ап¤­л© 16-а §ап¤­л© 16-а §ап¤­л©
а §¬Ґа иЁ­л а §¬Ґа иЁ­л а §¬Ґа иЁ­л а §¬Ґа иЁ­л

READY# \/\/\/\/\/\/\/\/\/\/\/\ /\/\/\/\/\ /\/\/\/\/\ /\/\/\/\/\ /\/\/
/\/\/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\

______________________________ _______________________________
LOCK# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2 \/\/\/\
/\/\/\/\/\/\______________________________/\_______________________________/\/\/\/

d0-d15 d16-d31 d0-d15 d16-d31
_____________ _____________ __ __
D0-D15 ______________/ ‚л室 \/ ‚л室 \____________/ \____________/ \______
\_____________/\_____________/ \__/ \__/
‚室 ‚室
____________________________ __ __
D16-D31 ______________/ ‚л室 \____________/ \____________/ \_______
\____________________________/ \__/ \__/
€Ј­®аЁагҐвбп €Ј­®аЁагҐвбп

"1"-ЌҐ ЄвЁў­л© га®ўҐ­м ў вҐзҐ­ЁҐ ўв®а®© з бвЁ
"2"-ЌҐ  ­ «Ё§ЁагҐвбп

ЋЎ®§­ зҐ­Ёп: Dn- n-л© дЁ§ЁзҐбЄЁ© ўлў®¤ иЁ­л ¤ ­­ле
dn- n-л© а §ап¤­ле «®ЈЁзҐбЄЁе ¤ ­­ле


ђЁб.5-14. “бв ­®ўЄ   ЄвЁў­®Ј® га®ў­п бЁЈ­ «  BS16# (®вбгвбвўгов б®бв®п­Ёп ®¦Ё¤ ­Ёп, ०Ё¬
Є®­ўҐ©Ґа­®©  ¤аҐб жЁЁ)

.
- 110 -


ЏҐаҐ¤ з , вॡгой п ¤ў  жЁЄ-
«  Ї® 16-а §ап¤­®© иЁ­Ґ
¤ ­­ле

–ЁЄ« 1 –ЁЄ« 1Ђ –ЁЄ« 2
•®«®б- ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л©
в®© (з⥭ЁҐ) (з⥭ЁҐ) (§ ЇЁбм)
— бвм 1 — бвм 2

’i ’1 ’2 ’2 ’1 ’2 ’2 ’1 ’2 ’2
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
CLK2 _| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_

_ __ __ __ __ __ __ __ __ __ __
(82384 CLK) \ / \ / \ / \ / \ / \ / \ / \ / \ / \ /
\__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/

______________________________________________________________________
BE0#,BE1# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 / \ ‡­ зҐ­ЁҐ 2
/\/\/\/\/\/\______________________/ "1" \______________________

______________________________________________________________________
BE2#,BE3# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2
A2-A31, /\/\/\/\/\/\______________________________________________/\______________________
M/IO#,D/C#
______________________
W/R# \/\/\/\/\/\ /
/\/\/\/\/\/\______________________________________________/

_________ ______________ ______________ ______________
ADS# \ / \ / \ /
\______/ \______/ \______/
"2"
____ ____ ____ ____ ____
NA# \/\/\/\/\/\/\/\/\/\/ \/\/"3" \/\/\/\/\/\/ \/\/"3" \/\/\/\/\/\/ \/\/\/\/\/
/\/\/\/\/\/\/\/\/\/ \/\____/\/\/\/\/\/ \/\____/\/\/\/\/\/ \/\/\/\/\
32-а §ап¤­л©
а §¬Ґа иЁ­л
___
BS16# \/\/\/\/\/\/\/\/\/\/\/\/\/\ /\/\/\/\/\/\/\/\/\ /\/\/\/\/\/\/\/\/\/ \/\/
/\/\/\/\/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\/\/\/\/\____/\/\/\/\/\/\/\/\/\/ \/\
16-а §ап¤­л© 16-а §ап¤­л©
а §¬Ґа иЁ­л а §¬Ґа иЁ­л
____ ____ ____
READY# \/\/\/\/\/\/\/\/\/\/\/\/ \/\ /\/\/\/\/\/ \/\ /\/\/\/\/\/\/ \/\
/\/\/\/\/\/\/\/\/\/\/\/ \/\____/\/\/\/\/\/ \/\____/\/\/\/\/\/\/ \/\__

______________________________________________ ______________________
LOCK# \/\/\/\/\/\/ ‡­ зҐ­ЁҐ 1 \/ ‡­ зҐ­ЁҐ 2
/\/\/\/\/\/\______________________________________________/\______________________
d0-d15 d16-d31 d0-d15
__ __ _____________________
D0-D15 _______________________________/ \____________________/ \_/ ‚л室
\__/ \__/ \_____________________
‚室 ‚室
d16-d31
__ __ _____________________
D16-D31 _______________________________/ \____________________/ \_/ ‚л室
\__/ \__/ \_____________________

€Ј­®аЁагҐвбп €Ј­®аЁагҐвбп

"1"-ЌҐ ЄвЁў­л© га®ўҐ­м ў вҐзҐ­ЁҐ ўв®а®© з бвЁ
"2"-‡¤Ґбм NA# ¤®«¦Ґ­ Ўлвм ЋЃџ‡Ђ’…‹њЌЋ ЇҐаҐЄ«о祭 ў ­Ґ ЄвЁў­®Ґ б®бв®п­ЁҐ,
зв®Ўл Їа®жҐбб®а ᬮЈ ў®бЇаЁ­пвм гбв ­®ў«Ґ­­л© га®ўҐ­м бЁЈ­ «  BS16#
ў дЁ­ «м­®¬ ’2.
"3"-ЌҐ  ­ «Ё§ЁагҐвбп

ЋЎ®§­ зҐ­Ёп: Dn- n-л© дЁ§ЁзҐбЄЁ© ўлў®¤ иЁ­л ¤ ­­ле
dn- n-л© а §ап¤­ле «®ЈЁзҐбЄЁе ¤ ­­ле


ђЁб.5-15. “бв ­®ўЄ   ЄвЁў­®Ј® га®ў­п бЁЈ­ «  BS16# (®¤­® б®бв®п­ЁҐ ®¦Ё¤ ­Ёп,
०Ё¬ ­ҐЄ®­ўҐ©Ґа­®©  ¤аҐб жЁЁ)
.
- 123 -


–ЁЄ« 1 –ЁЄ« 2 ЌҐа Ў®зҐҐ
ЌҐЄ®­ўҐ©Ґа­л© ЌҐЄ®­ўҐ©Ґа­л© б®бв®п­ЁҐ
(§ ЇЁбм) (®бв ­®ў)

’1 ’2 ’1 ’2 ’i ’i ’i ’i
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
CLK2 _| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_

_ __ __ __ __ __ __ __ __
(82384 CLK) \ / \ / \ / \ / \ / \ / \ / \ /
\__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/

80386 ®бв Ґвбп
__ ______________________________ ®бв ­®ў«Ґ­­л¬ ¤®
BE0#,BE1#, \/ ‡­ зҐ­ЁҐ 1 / \/\/\/\/\/\/\/\/\/ вҐе Ї®а, Ї®Є  ­Ґ
BE3#, __/\_____________/ \/\/\/\/\/\/\/\/\ Ўг¤Ґв  ЄвЁўЁ§Ёа®ў ­
M/IO#,W/R# бЁЈ­ « INTR, Ё«Ё
NMI, Ё«Ё RESET.

__ _____________ BE2# ­Ё§ЄЁ© ў
BE2#,Ђ2-Ђ31,\/ ‡­ зҐ­ЁҐ 1 \ жЁЄ«Ґ ®бв ­®ў  /\/\/\/\/\/\/\/\/
D/C# __/\______________\_______________/\/\/\/\/\/\/\/\/\

80386 ®вўҐвЁв ­ 
__ ______ ________________________ гбв ­®ў«Ґ­ЁҐ ўе®¤ 
ADS# \ / \ / HOLD, ­Ґб¬®вап ­ 
\______/ \______/ в®, зв® ®­ ­ е®¤Ёв-
бп ў б®бв®п­ЁЁ
®бв ­®ў .

NA# \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

____ ________
BS16# \/\/\/\/\/\/ \/\/\/\/\/ "1" \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
/\/\/\/\/\/ \/\/\/\/\________/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\


READY# /\/\/\/\/\ /\/\/\/\/\ /\/\/\/\/\/\/\/\/\/\/\/\/\/\/
____/\/\/\/\/\/\____/\/\/\/\/\/\____/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\
"2"
__ ______________________________
LOCK# \/ ‡­ зҐ­ЁҐ 1 / ‡­ зҐ­ЁҐ 2 \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
__/\_____________/ \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

_____ _____________ _______________
D0-D31 ‚л室\/ ‚л室 1 \/ ЌҐ®ЇаҐ¤Ґ«Ґ­® \_ _ (‚лЄ«о- )_ _ _ _ _ _ _
_____/\_____________/\_______________/ ( 祭® )

"1"-€Ј­®аЁагҐвбп
"2"-‡ ¬Ґз ­ЁҐ: –ЁЄ« ®бв ­®ў  ¤®«¦Ґ­ Ўлвм Ї®¤вўҐа¦¤Ґ­ гбв ­®ўЄ®©
 ЄвЁў­®Ј® га®ў­п бЁЈ­ «  READY#. ЏаЁ ­Ґ®Ўе®¤Ё¬®бвЁ жЁЄ«
®бв ­®ў  ¬®¦Ґв Ўлвм ¤®Ї®«­Ґ­ б®бв®п­Ёп¬Ё ®¦Ё¤ ­Ёп.


ђЁб.5-23. –ЁЄ« Ё­¤ЁЄ жЁЁ ®бв ­®ў .

.
- 124 -


–ЁЄ« 1 –ЁЄ« 2 ЌҐа Ў®зҐҐ
Љ®­ўҐ©Ґа­л© Љ®­ўҐ©Ґа­л© б®бв®п­ЁҐ
(з⥭ЁҐ) (ўлЄ«о祭ЁҐ)


’1ђ ’2ђ ’1ђ ’2i ’i ’i ’i ’i
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
CLK2 _| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_

_ __ __ __ __ __ __ __ __
(82384 CLK) \ / \ / \ / \ / \ / \ / \ / \ /
\__/ \__/ \__/ \__/ \__/ \__/ \__/ \__/

80386 ®бв Ґвбп
__________________________ ўлЄ«о祭­л¬ ¤®
BE1#,BE2#,‡­ зҐ­ЁҐ 1 / \/\/\/\/\/\/\/\/\/\/\/\/\/ вҐе Ї®а, Ї®Є  ­Ґ
BE3#, __________/ | |287 | | t,g,j,k,r
| | | |
INT: ’ЁЇ 3 | | | |
| | | |
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
в®в ¦Ґ га®ўҐ­м ЇаЁўЁ«ҐЈЁ© | | 59 | | t,g,j,k,r
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
¤агЈ®© га®ўҐ­м ЇаЁўЁ«ҐЈЁ© | |121 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў 286 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |243 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў 386 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |273 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў ўЁавг «м­®Ґ 8086 | | | |
зҐаҐ§ и«о§ ЇҐаҐе®¤  | |157 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў 286 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |253 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў 386 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |283 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў ўЁавг «м­®Ґ 8086 зҐаҐ§ | | |
и«о§ ЇҐаҐе®¤  | |163 | | t,g,j,k,r
€§ ўЁавг «м­®Ј® 8086 ў 286 TSS зҐаҐ§| | | |
и«о§ ЇҐаҐе®¤  | |253 | | t,g,j,k,r
€§ ўЁавг «м­®Ј® 8086 ў 386 TSS зҐаҐ§| | | |
и«о§ ЇҐаҐе®¤  | |283 | | t,g,j,k,r
| | | |
INTO: | | | |
| | | |
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
в®в ¦Ґ га®ўҐ­м ЇаЁўЁ«ҐЈЁ© | | 59 | | t,g,j,k,r
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
¤агЈ®© га®ўҐ­м ЇаЁўЁ«ҐЈЁ© | |121 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў 286 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |245 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў 386 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |275 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў ўЁавг «м­®Ґ 8086 зҐаҐ§ | | |
и«о§ ЇҐаҐе®¤  | |155 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў 286 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |255 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў 386 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |285 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп ў ўЁавг «м­®Ґ 8086 зҐаҐ§ | | |
и«о§ ЇҐаҐе®¤  | |165 | | t,g,j,k,r
€§ ўЁавг «м­®Ј® 8086 ў 286 TSS зҐаҐ§| | | |
и«о§ ЇҐаҐе®¤  | |255 | | t,g,j,k,r
€§ ўЁавг «м­®Ј® 8086 ў 386 TSS зҐаҐ§| | | |
и«о§ ЇҐаҐе®¤  | |285 | | t,g,j,k,r
| | | |
BOUND: | | | |
| | | |
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
в®в ¦Ґ га®ўҐ­м ЇаЁўЁ«ҐЈЁ© | | 59 | | t,g,j,k,r
—ҐаҐ§ ЇаҐалў ­ЁҐ Ё«Ё и«о§ ЇҐаҐе®¤  ­  | | |
¤агЈ®© га®ўҐ­м ЇаЁўЁ«Ґ­Ё© | |121 | | t,g,j,k,r

-166 -


€§ 286 § ¤ ­Ёп ў 286 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |254 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў 386 TSS зҐаҐ§ и«о§ | | | |
ЇҐаҐе®¤  | |284 | | t,g,j,k,r
€§ 286 § ¤ ­Ёп ў ўЁавг «м­®Ґ 8086 зҐаҐ§ | | |
и«о§ ЇҐаҐе®¤  | |164 | | t,g,j,k,r
€§ 386 § ¤ ­Ёп |
JECXZ - Џ…ђ…•Ћ„, …‘‹€ ECX=0 | | | |
--------------------------- | | | |
__________________________________ | | | |
| | 8-а §ап¤­®Ґ | | | | |
|1 1 1 0 0 0 1 1 | ЇаҐ¤бв ў«Ґ­ЁҐ | | 9+m | 9+m | | r
|________________|_________________| | Ё«Ё 5| Ё«Ё 5| |
| | | |
(JCXZ ®в«Ёз Ґвбп ®в JECXZ ўҐ«ЁзЁ­®© | | | |
®ЇҐа ­¤  ЇаҐдЁЄб ) | | | |
| | | |
LOOP - –€Љ‹ ‘Ћ ‘—…’—€ЉЋЊ ЌЂ CX | | | |
------------------------------ | | | |
__________________________________ | | | |
| | 8-а §ап¤­®Ґ | | | | |
|1 1 1 0 0 0 1 0 | ЇаҐ¤бв ў«Ґ­ЁҐ | | 11+m | 11+m | | r
|________________|_________________| | | | |
| | | |
LOOPZ/LOOPE - –€Љ‹, …‘‹€ Ќ“‹њ/ђЂ‚…Ќ‘’‚Ћ | | |
--------------------------------------- | | |
__________________________________ | | | |
| | 8-а §ап¤­®Ґ | | | | |
|1 1 1 0 0 0 0 1 | ЇаҐ¤бв ў«Ґ­ЁҐ | | 11+m | 11+m | | r
|________________|_________________| | | | |

-161 -

LOOPNZ/LOOPNE - –€Љ‹, …‘‹€ Ќ… Ќ“‹њ
---------------------------------- | | | |
__________________________________ | | | |
| | 8-а §ап¤­®Ґ | | | | |
|1 1 1 0 0 0 0 0 | ЇаҐ¤бв ў«Ґ­ЁҐ | | 11+m | 11+m | | r
|________________|_________________| | | | |
| | | |
“‘’ЂЌЋ‚ЉЂ Џђ€‡ЌЂЉЋ‚

ЏаЁ¬Ґз ­ЁҐ: ‚६п, Є Є г Є®¬ ­¤ вЁЇ  ђҐЈЁбва/Џ ¬пвм

SETO - “‘’ЂЌЋ‚ЉЂ Џђ€‡ЌЂЉЂ OF | | | |
---------------------------- | | | |
(Џ…ђ…ЏЋ‹Ќ…Ќ€‰) | | | |
-------------- | | | |
‚ ђҐЈЁбва/Џ ¬пвм | |
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