Toshiba SD-R5372 User Manual

Page 18

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16

Table 1.Interface Pin Assignments

INTERFACE PIN ASSIGNMENT

PIN

NO.

I/O SIGNAL

NAME

HOST SIGNAL NAME

PIN

NO.

I/O SIGNAL

NAME

HOST SIGNAL NAME

1

I

Reset

Host Reset

21

O

HDRQ

DMA Request

2

-

GND

22

-

GND

3

I/O

HD7

Host Data Bus BIT 7

23

I

HWR-,STOP

Host I/O Write

4

I/O

HD8

Host Data Bus BIT 8

24

-

GND

5

I/O

HD6

Host Data Bus BIT 6

25

I

HRD-,

HDMARDY, -

HSTROBE

Host I/O Read

6

I/O

HD9

Host Data Bus BIT 9

26

-

GND

7

I/O

HD5

Host Data Bus BIT 5

27

O

IORDY,

DDMARDY,-

DSTROBE

I/O Channel Ready

8

I/O

HD10

Host Data Bus Bit 10

28

-

CSEL

Cable Select

9

I/O

HD4

Host Data Bus BIT 4

29

I

HDAK-

DMA Acknowledge

10

I/O

HD11

Host Data Bus BIT 11

30

-

GND

11

I/O

HD3

Host Data Bus BIT 3

31

O INTRQ

Host

Interrupt

Request

12

I/O

HD12

Host Data Bus BIT 12

32

O

IOCS16-

Host 16 BIT I/O

13

I/O

HD2

Host Data Bus BIT 2

33

I

HA1

Host Address Bus BIT 1

14

I/O

HD13

Host Data Bus BIT 13

34

I/O

PDIAG-

Passed Diagnostics

15

I/O

HD1

Host Data Bus BIT 1

35

I

HA0

Host Address Bus BIT 0

16

I/O

HD14

Host Data Bus BIT 14

36

I

HA2

Host Address Bus BIT 2

17

I/O

HD0

Host Data Bus BIT 0

37

I

HCS1

Host CHIP Select 0

18

I/O

HD15

Host Data Bus BIT 15

38

I

HCS3

Host CHIP Select 1

19

-

GND

39

I/O

DASP-

Drive Active/Drive 1
Present

20

-

(KEYPIN)

40

-

GND

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