beautypg.com

SMC Networks 486DX4 User Manual

Page 12

background image

AR-B1462 User¡

¦s Guide

2-4

I/O Pin

Signal Name

Input/Output I/O Pin

Signal Name

Input/Output

A14

SA17

Input/Output

B14

-IOR

Input/Output

A15

SA16

Input/Output

B15

-DACK3

Output

A16

SA15

Input/Output

B16

DRQ3

Input

A17

SA14

Input/Output

B17

-DACK1

Output

A18

SA13

Input/Output

B18

DRQ1

Input

A19

SA12

Input/Output

B19

-REFRESH

Input/Output

A20

SA11

Input/Output

B20

BUSCLK

Output

A21

SA10

Input/Output

B21

IRQ7

Input

A22

SA9

Input/Output

B22

IRQ6

Input

A23

SA8

Input/Output

B23

IRQ5

Input

A24

SA7

Input/Output

B24

IRQ4

Input

A25

SA6

Input/Output

B25

IRQ3

Input

A26

SA5

Input/Output

B26

-DACK2

Output

A27

SA4

Input/Output

B27

TC

Output

A28

SA3

Input/Output

B28

BALE

Output

A29

SA2

Input/Output

B29

+5V

Power

A30

SA1

Input/Output

B30

OSC

Output

A31

SA0

Input/Output

B31

GND

Ground

Table 2-3 I/O Channel Pin Assignments

I/O Pin Signal Name

Input/Output

I/O Pin

Signal Name

Input/Output

C1

-SBHE

Input/Output

D1

-MEMCS16

Input

C2

LA23

Input/Output

D2

-IOCS16

Input

C3

LA22

Input/Output

D3

IRQ10

Input

C4

LA21

Input/Output

D4

IRQ11

Input

C5

LA20

Input/Output

D5

IRQ12

Input

C6

LA19

Input/Output

D6

IRQ15

Input

C7

LA18

Input/Output

D7

IRQ14

Input

C8

LA17

Input/Output

D8

-DACK0

Output

C9

-MRD16

Input/Output

D9

DRQ0

Input

C10

-MWR16

Input/Output

D10

-DACK5

Output

C11

SD8

Input/Output

D11

DRQ5

Input

C12

SD9

Input/Output

D12

-DACK6

Output

C13

SD10

Input/Output

D13

DRQ6

Input

C14

SD11

Input/Output

D14

-DACK7

Output

C15

SD12

Input/Output

D15

DRQ7

Input

C16

SD13

Input/Output

D16

+5V

Power

C17

SD14

Input/Output

D17

-MASTER

Input

C18

SD15

Input/Output

D18

GND

Ground

Table 2-4 I/O Channel Pin Assignments

This manual is related to the following products: