Intel 210200-002 manual ~o,es

APPLICATION EXAMPLES

A FROM CPU

A,,-A, PROM CPU

110 PORT

I

ADDRESS

<110 WRITE COMMAND

DECODE

LOGIC

LOCAL

READ

I--

WAIT STATE

8284A

GENERATOR

(IE IN!T)

""o"'~

(IF WAIT STATES

J

WRITE

OR

RDY1

SYSTEM RESET

ONE SHOT

b ,--'~

REQUIRED)

RESET

RST

[

AEN1

. --- READY

RDY2

TRANSFER ACKNOWLEDGE

r--

(IE XACK)

,...-----!'-

AEN2

elK

110 ADDRESS

-

DECODe

r --

lOGIC

~ eLK

<

>

B089

MULTIMASTER

.. eA

1-0

I--

CONTROL BUS

eLK

8289

L,. SEL

~

DACK

ORa

ORQl

52-SO

~ es 110

INT

Exn

AEN

PERIPHERAL

TO/FROM

~o",es

ORa

ORQ2

52-SO

l

~

52-SO

-

ANOTHER lOP

RQiar

f -

1

LOCK

AEN

110

INT

EXT2 ADO-AD7

I

L: eLK

A8-A19

PERIPHERAL

MRDe

V

"'-

I

LOCK

MWTC

a IORC

8289

INTA

lowe

v"

lOB

ALE

T

PDEN DT/R DEN

DE

STB

DE

STB

~

~

~.

>

MULTIMASTER

"

LOCAL ADDRESS

ADDRESS (AwA91

"-)

8282/83

8282183

0£"

,

~

T

T

DE

...

LOCAL DATA

~ ~

...

MULTIMASTER DATA lOa-Col

"'-

"

8286/87

8286/87

'f

Figure 4-13. Typical 8089 Remote Mode Configuration

4-21