WED7PxxxATA80xxC25
White Electronic Designs
PIN ASSIGNMENTS AND PIN TYPE
Memory card mode
I/O Card Mode
Signal Name I/O
True IDE Mode
Memory card mode
I/O Card Mode
Signal Name I/O
True IDE Mode
Pin # Signal Name
I/O
Signal Name
GND
D3
I/O
Pin # Signal Name
I/O
–
Signal Name
GND
CD1#
D11
I/O
1
GND
D3
GND
D3
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
GND
CD1#
D11
GND
CD1#
D11
–
O
I/O
I/O
I/O
I/O
I
–
O
I/O
I/O
I/O
I/O
I
2
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I
O
I/O
I/O
I/O
I/O
I
3
D4
D4
D4
4
D5
D5
D5
D12
D12
D12
5
D6
D6
D6
D13
D13
D13
6
D7
D7
D7
D14
D14
D14
7
CE1#
A10
OE#
N.C.
A9
CE1#
A10
OE#
N.C.
A9
CE1#
A10
ATASEL#
N.C.
A9
D15
D15
D15
8
I
I
I
CE2#
VS1
I
CE2#
VS1
I
CE2#
VS1
I
9
I
I
I
O
I
O
I
O
I
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
–
–
–
IORD#
IOWR#
NC
IORD#
IOWR#
NC
IORD#
IOWR#
NC
I
I
I
I
I
I
A8
I
A8
I
A8
I
–
–
–
N.C.
N.C.
WE#
RDY/BSY
Vcc
N.C.
N.C.
N.C.
N.C.
A7
–
N.C.
N.C.
WE#
IREQ#
Vcc
N.C.
N.C.
N.C.
N.C.
A7
–
N.C.
N.C.
WE#
INTRQ
Vcc
–
NC
–
NC
–
NC
–
–
–
–
NC
–
NC
–
NC
–
I
I
I
NC
–
NC
–
NC
–
O
O
O
NC
–
NC
–
NC
–
Vcc
–
Vcc
–
Vcc
–
–
–
N.C.
N.C.
N.C.
N.C.
A7
–
NC
–
NC
–
NC
–
–
–
–
NC
–
NC
–
NC
–
–
–
–
NC
–
NC
–
NC
–
–
–
–
NC
–
NC
–
NC
–
I
I
I
CSEL#
VS2
I
CSEL#
VS2
I
CSEL#
VS2
I
A6
I
A6
I
A6
I
O
I
O
I
O
I
A5
I
I
A5
I
I
A5
I
I
RESET
Wait#
INPACK#
REG#
BVD2
BVD1
D8
RESET
Wait#
INPACK#
REG#
SPKR#
STSCHG#
D8
RESET#
IORDY
INPACK#
REG#
DASP
PDIAG#
D8
A4
A4
A4
O
O
I
O
O
I
O
O
I
A3
I
A3
I
A3
I
A2
I
A2
I
A2
I
A1
I
A1
I
A1
I
I/O
I/O
I/O
I/O
O
O
–
I/O
I/O
I/O
I/O
O
O
–
I/O
I/O
I/O
I/O
O
O
–
A0
I
A0
I
A0
I
D0
I/O
I/O
I/O
O
–
D0
I/O
I/O
I/O
O
–
D0
I/O
I/O
I/O
O
–
D1
D1
D1
D9
D9
D9
D2
D2
D2
D10
D10
D10
WP
GND
IOIS16#
GND
IOIS16#
GND
CD2#
GND
CD2#
GND
CD2#
GND
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 1
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
