ATA33 White Electronic Designs Corporation, ATA33 Datasheet - Page 12

• Manufacturer Part Number: ATA33
• Description: Density = 16MB-1GB (2GB) ;; Memory Device = Sandisk Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5
• Manufacturer: White Electronic Designs Corporation

PC Card Products
3. True IDE mode
The card can be configured in a True IDE Mode of operation. This card is configured in this mode
only when the OE# input signal is asserted low by the host during the power off to power on cycle.
In this True IDE Mode the PCMCIA protocol and configuration are disabled and only an I/O
operation to the Task File registers is allowed. In this mode no Memory or Attribute registers are
accessible to the host. The card permits 8 bit access if the us er issues a Set feature Command to
put the device in the 8 bit Mode.
Mode
Invalid Mode
Standby Mode
Data Register Access
All status access
Other task file access
Mode
Invalid Mode
Standby Mode
Data Register Access
All status access
Other task file access
True IDE Mode Read I/O function
True IDE Mode Read I/O function
October 2001
CE2# CE1# A0..A2
CE2# CE1# A0..A2
H
H
H
H
H
H
L
L
L
L
H
H
L
H
L
H
L
L
L
L
1-7h
1-7h
0h
6h
0h
6h
X
X
X
X
12
IORD#
IORD# IOWR#
X
X
H
H
H
L
L
L
X
X
IOWR#
X
X
H
H
H
X
X
L
L
L
Don't care
Don't care
Don't care
Don't care
D15 - D8
D15 - D8
odd byte
odd byte
High Z
High Z
High Z
High Z
ATA PCMCIA Card
Don't care
Don't care
even byte
status out
even byte
control in
D7 - D0
D7 - D0
High Z
High Z
data
data
ATA30 Series
ATA33 Series