Electrical interface
SMCxxxBF
Table 8. Pin Assignment and Pin Type (continued)
Pin
Num
PC Card Memory Mode
Signal
Name
Pin In, Out
Type Type
PC Card I/O Mode
Signal
Name
Pin In, Out
Type Type
True IDE Mode
Signal
Name
Pin
Type
In, Out
Type
17
A03
I
I1Z
A03
I
I1Z
A03(2)
I
I1Z
18
A02
I
I1Z
A02
I
I1Z
A02
I
I1Z
19
A01
I
I1Z
A01
I
I1Z
A01
I
I1Z
20
A00
I
I1Z
A00
I
I1Z
A00
I
I1Z
21
D00
I/O I1Z,OZ3
D00
I/O I1Z,OZ3
D00
I/O
I1Z,OZ3
22
D01
I/O I1Z,OZ3
D01
I/O I1Z,OZ3
D01
I/O
I1Z,OZ3
23
D02
I/O I1Z,OZ3
D02
I/O I1Z,OZ3
D02
I/O
I1Z,OZ3
24
WP
O
OT3
–IOIS16 O
OT3
–IOIS16
O
ON3
25
–CD2
O Ground
–CD2
O Ground –CD2
O
Ground
26
–CD1
O Ground
–CD1
O Ground –CD1
O
27
D11(3)
I/O I1Z,OZ3
D11(3)
I/O I1Z,OZ3 D11(3)
I/O
28
D12(3)
I/O I1Z,OZ3
D12(3)
I/O I1Z,OZ3 D12(3)
I/O
29
D13(3)
I/O I1Z,OZ3
D13(3)
I/O I1Z,OZ3 D13(3)
I/O
30
D14(3)
I/O I1Z,OZ3
D14(3)
I/O I1Z,OZ3 D14(3)
I/O
31
D15(3)
I/O I1Z,OZ3
D15(3)
I/O I1Z,OZ3 D15(3)
I/O
32
–CE2(3)
I
I3U
–CE2(3)
I
I3U
–CS1(3)
I
Ground
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I3Z
33
–VS1
O Ground
–VS1
O Ground –VS1
O
Ground
34
–IORD
I
I3U
–IORD
I
I3U
–IORD
I
I3Z
35
–IOWR
I
I3U
–IOWR
I
I3U
–IOWR
I
I3Z
36
–WE
I
I3U
–WE
I
I3U
–WE(4)
I
I3U
37
READY
O
OT1
-IREQ
O
OT1
INTRQ
O
OZ1
38
VCC
Power
VCC
Power
VCC
39 –CSEL(5)(3)
I
I2Z
–CSEL(5)
I
I2Z
–CSEL(5)
I
Power
I2U
40
–VS2
O
OPEN
–VS2
O OPEN
–VS2
O
OPEN
41
RESET
I
I2Z
RESET
I
I2Z
-RESET
I
I2Z
42
–WAIT
O
OT1
–WAIT
O
OT1
IORDY
O
ON1
43 –INPACK O
OT1
–INPACK O
OT1
DMARQ
O
OZ1
44
–REG
I
I3U
–REG
I
I3U -DMACK(6)
I
I3U
45
BVD2
I/O I1U,OT1 –SPKR I/O I1U,OT1 –DASP
I/O
I1U,ON1
46
BVD1
I/O I1U,OT1 –STSCHG I/O I1U,OT1 –PDIAG
I/O
47
D08(3)
I/O I1Z,OZ3
D08(3)
I/O I1Z,OZ3 D08(3)
I/O
48
D09(3)
I/O I1Z,OZ3
D09(3)
I/O I1Z,OZ3 D09(3)
I/O
I1U,ON1
I1Z,OZ3
I1Z,OZ3
16/91