smc256af Numonyx, smc256af Datasheet - Page 15

• Manufacturer Part Number: smc256af
• Description: 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte And 512 Mbyte 3.3 V / 5 V Supply Compactflash? Card
• Manufacturer: Numonyx

SMCxxxAF
Table 8.
1. The signal should be grounded by the host.
2. These signals are required only for 16 bit accesses and not required when installed in 8 bit systems. Devices should allow
3. The signal should be tied to V
4. The -CSEL signal is ignored by the card in PC Card modes. However, because it is not pulled up on the card in these
5. The signal should be held High or tied to V
num
Pin
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
for 3-state signals not to consume current.
modes it should not be left floating by the host in PC Card modes. In these modes, the pin is normally connected by the
host to PC Card A25 or grounded by the host.
–CSEL
–INPACK
–CE2
READY
–IOWR
RESET
Signal
–IORD
–WAIT
D11
D12
D13
D14
D15
D08
D09
D10
–REG
name
–CD2
–CD1
BVD2
BVD1
–VS1
–VS2
–WE
GND
PC card memory mode
D00
D01
D02
V
A00
WP
Pin assignment and pin type (continued)
CC
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)(4)
(2)
type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
CC
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1U,OT1
I1U,OT1
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
by the host.
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
Ground
Ground
Ground
In, Out
Power
OPEN
type
OT3
OT1
OT1
OT1
I3U
I3U
I3U
I3U
I3U
I2Z
I1Z
I2Z
CC
by the host and RFU is Reserved for Future Use.
–STSCHG
–INPACK
–IOIS16
–CE2
–IOWR
RESET
–SPKR
–CSEL
Signal
–IORD
–WAIT
D11
D12
D13
D14
D15
D08
D09
D10
–REG
name
–CD2
–CD1
–VS1
IREQ
–VS2
–WE
GND
D00
D01
D02
V
A00
CC
PC card I/O mode
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1U,OT1
I1U,OT1
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
Ground
Ground
Ground
In, Out
OPEN
Power
type
OT3
OT1
OT1
OT1
I3U
I3U
I3U
I3U
I3U
I1Z
I2Z
I2Z
–IOIS16
-RESET
–PDIAG
–CS1
–IOWR
–CSEL
–DASP
–IORD
–WE
INTRQ
IORDY
Signal
RFU
D11
D12
D13
D14
D15
D08
D09
D10
name
–CD2
–CD1
–VS1
–VS2
GND
RFU
A00
D00
D01
D02
V
CC
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(5)
(3)
(2)
True IDE mode
type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
Electrical interface
I1U,ON1
I1U,ON1
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
Ground
Ground
Ground
In, Out
OPEN
Power
ON3
type
ON1
OZ1
OZ1
I3U
I2U
I3U
I1Z
I3Z
I3Z
I3Z
I2Z
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