ATA33 White Electronic Designs Corporation, ATA33 Datasheet - Page 11

• 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
Mode
Standby Mode
Byte access
Word access (16 bit)
Odd Byte access (8 bit) L
Mode
Standby Mode
Byte access
Word access (16 bit)
Odd Byte access (8 bit) L
Mode
Standby Mode
Byte access
Word access (16 bit)
Odd Byte access (8 bit) H
Mode
Standby Mode
Byte access
Word access (16 bit)
Odd Byte access (8 bit) H
Task File Register Write Access Mode (a)
(a) I/O address map
Task File Register Read Access Mode (a)
(b) Memory address map
Task File Register Read Access Mode (b)
Task File Register Write Access Mode (b)
2. Task File register access specification
There are two cases of Task File register mapping, one is the mapped I/O address area, the
other is the Mapped Memory address area. Each case of the Task File register read and
write operation is executed under the following conditions. The area can be accessed by
Byte/Word/Odd Byte mode which is defined by the PC card standard specification.
October 2001
REG# CE2# CE1#
REG# CE2# CE1#
REG# CE2# CE1#
REG# CE2# CE1#
X
X
L
L
L
L
L
L
X
H
H
H
X
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
L
L
H
H
H
H
L
L
L
L
L
L
A0
A0
A0
A0
X
H
X
X
X
H
X
X
L
L
X
H
X
X
X
H
X
X
L
L
11
IORD# IOWR# OE# WE#
IORD# IOWR# OE# WE#
IORD# IOWR# OE# WE#
IORD# IOWR# OE# WE#
X
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
X
H
H
H
H
L
L
L
L
ATA PCMCIA Card
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
L
L
L
L
Don't care
Don't care
Don't care
Don't care
Don't care
Don't care
D15 - D8
D15 - D8
odd byte
odd byte
odd byte
odd byte
D15 - D8
D15 - D8
odd byte
odd byte
odd byte
odd byte
High Z
High Z
High Z
High Z
High Z
High Z
ATA30 Series
ATA33 Series
Don't care
Don't care
even byte
even byte
even byte
even byte
Don't care
Don't care
even byte
even byte
even byte
even byte
odd byte
odd byte
D7 - D0
D7 - D0
odd byte
odd byte
D7 - D0
D7 - D0
High Z
High Z
High Z
High Z