smc256af Numonyx, smc256af Datasheet - Page 14

• 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

Electrical interface
4
4.1
Table 8.
14/82
num
Pin
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
Signal
name
–CE1
GND
PC card memory mode
–OE
D03
D04
D05
D06
D07
V
A10
A09
A08
A07
A06
A05
A04
A03
A02
A01
Electrical interface
Electrical description
The CompactFlash memory card operates in three basic modes:
The signal/pin assignments are listed in
Pin types are Input, Output or Input/Output.
The configuration of the card is controlled using the standard PCMCIA Configuration
registers starting at address 200h in the attribute memory space of the memory card. For
True IDE mode, pin 9 is grounded.
Table 9
signals sourced from the card. The signals are described for each of the three operating
modes.
All outputs from the card are totem pole except the data bus signals that are bi-directional
tri-state. Refer to
Pin assignment and pin type
CC
PC card ATA using I/O mode,
PC card ATA using memory mode,
True IDE mode, which is compatible with most disk drives.
describes the I/O signals. Inputs are signals sourced from the host while outputs are
type
Pin
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
Section 4.2: Electrical specification
In, Out
Power
type
I3U
I3U
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
Signal
name
–CE1
GND
–OE
D03
D04
D05
D06
D07
V
A10
A09
A08
A07
A06
A05
A04
A03
A02
A01
CC
PC card I/O mode
type
Pin
I/O
I/O
I/O
I/O
I/O
Table 8
I
I
I
I
I
I
I
I
I
I
I
I
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
In, Out
Power
type
where Low active signals have a ‘
I3U
I3U
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
for definitions of Input and Output type.
–ATASEL
Signal
A10
A09
A08
A07
A06
A05
A04
A03
name
–CS0
GND
D03
D04
D05
D06
D07
V
A02
A01
CC
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
True IDE mode
type
Pin
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
SMCxxxAF
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
I1Z,OZ3
Ground
In, Out
Power
–
type
I3U
I3Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
I1Z
’ prefix.