ATA CF

AP-CFxxxxH4NR-XXXXXXQ

4

© 2013 Apacer Technology Inc.

Rev. 1.6

3. Pin Assignments

Table 3-1 lists the pin assignments with respective signal names for the 50-pin configuration. A “#” suffix

indicates the active low signal. The pin type can be input, output or input/output.

Table 3-1: Pin assignments

True IDE mode

True IDE mode

Pin No.

Signal name

Pin I/O type

Pin No.

Signal name

Pin I/O type

1

GND

-

26

#CD1

O

2

D3

I/O

27

D11

I/O

3

D4

I/O

28

D12

I/O

4

D5

I/O

29

D13

I/O

5

D6

I/O

30

D14

I/O

6

D7

I/O

31

D15

I/O

7

#CE1

I

32

#CE2

I

8

GND

-

33

#VS1

O

9

GND

-

34

#IORD

I

10

GND

-

35

#IOWR

I

11

GND

-

36

VCC

-

12

GND

-

37

INTRQ

O

13

VCC

-

38

VCC

-

14

GND

-

39

#CSEL

I

15

GND

-

40

#WP_PD*

I

16

GND

-

41

RESET

I

17

GND

-

42

IORDY

O

18

A2

I

43

DMARQ**

O

19

A1

I

44

DMACK**

I

20

A0

I

45

#DASP

I/O

21

D0

I/O

46

#PDIAG

I/O

22

D1

I/O

47

D8

I/O

23

D2

I/O

48

D9

I/O

24

#IOCS16

O

49

D10

I/O

25

#CD2

O

50

GND

-

*Write-Protect enabled when pin 40 assigned to GND.

**Connection required when UDMA is in use.