Intel 210200-002 manual ~ ~ Nc

APPLICATION EXAMPLES

+5V

3-10 pF 12MHz

+'~8

GND~20 +I~o

2MHz

G12~

+i~o

G,gO

C1 XTAl

......!

J~~DP X2 GND

~ RESET

INTA

RESET

PAO

V"

GND GND

V"

V"

V"

R2

17

Xl

ClK

8

19

ClK

HI5A

30

+5v--i

Voo

PA1

RESET f!-Q-

SSO

~}NC

PA2

~}~ NC

7.SK

GND~ CYSYNC

~

IN PUT

A19

PA3

REA DY

27

NOT

RD1

READY

5

22

READY

A18

PA'-;;-

US ED

GND-2,

AEN1

PCLK .!.....-

A17 ~ NC

PAS

~

NC-4 RD2

?-}

PA6

OSC ~NC

A16 ~

~

+SV

R1

AEN2

A15 ~

PA7 r'-

CR1

8284A EFI

~NC

A14 ~

7.SK

11

AlO

PBO

'~~'

U1

FIC F-GND

A13 t+-

rl22

+SV

I....

RES

I -

A12 ~S

A9

PB1 ?

A11 r,;-

L2! A8

PB2

RESET

R3

AlO

r,-

PB3

35

SW ITCH

7.SK

A9

~}

I

BOBB

B655A

PB'~

NC

A8 ~

PBS

~

U2

U3

Ne -fa

8

IDA

PB'~

SW1

C2

OT/R

WR

29

10

lOW

PB7 tE-

r-

I1j.1fd

DEN

AD 32

9

RD

lalM

28

7

101M

READY

ALE

25

11

ALE

ClK t=}NC

33

MN/MX

AD7 ti'o

~ AD7

AD6 r,;-

~ AD6

ADS ~

r--+!

ADS

"~

AD'

r----!-! AD'

1-'

TEST

AD3

~

2

~ AD3

HOLD

AD2

~

~ AD2

17

NMI

AD1 t-;s

13

AD1

18

INTR

ADO ~

~ ADO CE2

CE1

GND

ir -- ,

55"-

8A8-A1S

,

A~

GI~

+1~6

U10

3 >.

~1DO

+l~o

A11

1

AD GND

Vee

~

GND

Vee 007 ~

A12

017

2

A1

~ 016

006 ~

A13

3

A2

00

AS 6

015

DOS ~

~ D14

DO'12..-

Of

1)2

13

F---'i013

003 ,!L-

8205

03

~ NC

~

8282

~

~ 012

002

U7

04

,~"10 -

~

011

U8

001 ~

8

Os

9

r=--'"010

000 r!L-

A14

5

Eo

06

7

DEr}

A15

4

E2

07

Ei

11

STB

1K BYTES RAM

00000-003FF2114'sRAM (MAPPED Q·07FF)

256 BYTES RAM

03000·030FF8155 RAM/IO (MAPPED 3000-37fF)

~3

2K BYTES ROM

FF80,O-FFFFF8655A MONITOR (MAPPED 80000-FFFFF)

110

2

USART

DATA

gg~gJ} 1~~~~E~E3~gO~3YFFF)

COM/STATUS

8155

COM/STATUS

PORT A

3000}3001

PORT B

3002

I/O

PORT C

3003

- (MAPPED 3000-37FF)

TIMER lOW

3004

TIMER HIGH/MODE

3005

8655

PORT A

2800

}

PORT B

2801

I/O

PORT A DDR

2802

(MAPPED 2800-2FFF)

PORT BOOR

2803

NOTE: I/O ADDRESSES 0-3FF WilL TALK TO RAM &THEREFORE SHOULD NOT BE USED

Figure 4-4. iAPX 88 Demultiplexed Bus System

4-8