smc256af Numonyx, smc256af Datasheet - Page 19

• 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 9.
–WE
(PC card memory mode)
–WE
–WE
WP
(PC card memory mode)
–IOIS16
(PC card I/O mode)
–IOCS16
(True IDE mode)
(PC card I/O mode)
(True IDE mode)
Signal name
Signal description (continued)
I
O
Direction
36
24
Pin
Driven by the host to strobe memory write data to the
registers.
Used for writing to the configuration registers.
Not used, should be connected to V
No write protect switch available. It is held Low after the
completion of the reset initialization sequence.
Used for the 16 bit port (–IOIS16) function. Low indicates
that a 16 bit or odd byte only operation can be performed
at the addressed port.
Asserted Low when the card is expecting a word data
transfer cycle.
Description
CC
Electrical interface
by the host.
19/82