什么是ata接口

ata接口引脚定义表

1

/RESET

Reset

2

GND

Ground

3

DD7

Data 7

4

DD8

Data 8

5

DD6

Data 6

6

DD9

Data 9

7

DD5

Data 5

8

DD10

Data 10

9

DD4

Data 4

10

DD11

Data 11

11

DD3

Data 3

12

DD12

Data 12

13

DD2

Data 2

14

DD13

Data 13

15

DD1

Data 1

16

DD14

Data 14

17

DD0

Data 0

18

DD15

Data 15

19

GND

Ground

20

KEY

-

Key (Pin missing)

21

DMARQ

?

DMA Request

22

GND

Ground

23

/DIOW

Write Strobe

24

GND

Ground

25

/DIOR

Read Strobe

26

GND

Ground

27

IORDY

I/O Ready

28

SPSYNC:CSEL

?

Spindle Sync or Cable Select

29

/DMACK

?

DMA Acknowledge

30

GND

Ground

31

INTRQ

Interrupt Request

32

/IOCS16

?

IO ChipSelect 16

33

DA1

Address 1

34

PDIAG

?

Passed Diagnostics

35

DA0

Address 0

36

DA2

Address 2

37

/IDE_CS0

(1F0-1F7)

38

/IDE_CS1

(3F6-3F7)

39

/ACTIVE

Led driver

40

GND

Ground