User's Manual
Version 1.0
HANBit CFC-xxxSx Series
11 / 11 HANBit Electronics Co., Ltd.
(PC Card I/O Mode)
-VS1
-VS2
(True IDE Mode)
This signal is the same for all modes.
-WAIT
(PC Card Memory Mode)
-WAIT
(PC Card I/O Mode)
IORDY
(True IDE Mode)
O 42
The -WAIT signal is driven low by the CompactFlash Storage
Card or CF+ Card to signal the host to delay completion of a
memory or I/O cycle that is in progress.
This signal is the same as the PC Card Memory Mode signal.
In True IDE Mode this output signal may be used as IORDY.
-WE
(PC Card Memory Mode)
-WE
(PC Card I/O Mode)
-WE
(True IDE Mode)
I 36
This is a signal driven by the host and used for strobing memory
write data to
the registers of the CompactFlash Storage Card or
CF+ Card when the card is
configured in the memory interface mode.
It is also used for writing the
configuration registers.
In PC Card I/O Mode, this signal is used for writing the
configuration
registers.
In True IDE Mode this input signal is not used and should be
connected to VCC by the host.
WP
(PC Card Memory Mode)
Write Protect
-IOIS16
( PC Card I/O Mode)
-IOIS16
(True IDE Mode)
O 24
Memory Mode - The CompactFlash Storage Card or CF+ Card
does not have
a write protect switch. This signal is held low after
the completion of the reset
initialization sequence.
I/O Operation - When the CompactFlash Storage Card or CF+
Card is
configured for I/O Operation Pin 24 is used for the -I/O
Selected is 16 Bit Port
(-IOIS16) function. A Low signal indicates
that a 16 bit or odd byte only
operation can be performed at the addressed port.
In True IDE Mode this output signal is asserted low when this
device is expecting a word data transfer cycle.