Toshiba 386SX User Manual

Page 12

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AR-B1375/AR-B1376 User s Guide

2-4

I/O Pin Signal Name

Input/Output I/O Pin

Signal Name

Input/Output

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


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