Table 1.Interface Pin Assignments

INTERFACE PIN ASSIGNMENT

PIN

I/O

SIGNAL

HOST SIGNAL NAME

PIN

I/O

NO.

 

NAME

 

NO.

 

1

I

Reset

Host Reset

21

O

2

-

GND

 

22

-

3

I/O

HD7

Host Data Bus BIT 7

23

I

4

I/O

HD8

Host Data Bus BIT 8

24

-

5

I/O

HD6

Host Data Bus BIT 6

25

I

 

 

 

 

 

 

6

I/O

HD9

Host Data Bus BIT 9

26

-

7

I/O

HD5

Host Data Bus BIT 5

27

O

 

 

 

 

 

 

8

I/O

HD10

Host Data Bus Bit 10

28

-

9

I/O

HD4

Host Data Bus BIT 4

29

I

10

I/O

HD11

Host Data Bus BIT 11

30

-

11

I/O

HD3

Host Data Bus BIT 3

31

O

12

I/O

HD12

Host Data Bus BIT 12

32

O

13

I/O

HD2

Host Data Bus BIT 2

33

I

14

I/O

HD13

Host Data Bus BIT 13

34

I/O

15

I/O

HD1

Host Data Bus BIT 1

35

I

16

I/O

HD14

Host Data Bus BIT 14

36

I

17

I/O

HD0

Host Data Bus BIT 0

37

I

18

I/O

HD15

Host Data Bus BIT 15

38

I

19

-

GND

 

39

I/O

 

 

 

 

 

 

20

-

(KEYPIN)

 

40

-

SIGNAL

NAME

HDRQ

GND

HWR-,STOP

GND

HRD-,

HDMARDY, -

HSTROBE

GND

IORDY,

DDMARDY,-

DSTROBE

CSEL

HDAK-

GND

INTRQ

IOCS16-

HA1

PDIAG-

HA0

HA2

HCS1

HCS3

DASP-

GND

HOST SIGNAL NAME

DMA Request

Host I/O Write

Host I/O Read

I/O Channel Ready

Cable Select

DMA Acknowledge

Host Interrupt Request

Host 16 BIT I/O

Host Address Bus BIT 1

Passed Diagnostics

Host Address Bus BIT 0

Host Address Bus BIT 2

Host CHIP Select 0

Host CHIP Select 1

Drive Active/Drive 1 Present

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Image 19
Toshiba SD-R5272 user manual Interface Pin Assignments