HB2881000A5 Datasheet, PDF (12/66 Pages) Hitachi Semiconductor – FLASH ATA Card 1 GByte

HB2881000A5
Host access specifications
1. Attribute access specifications
When CIS-ROM region or Configuration register region is accessed, read and write operations are executed
under the condition of -REG = "L" as follows. That region can be accessed by Byte/Word/Odd-byte modes
which are defined by PC card standard specifications.
Attribute Read Access Mode
Mode
Standby mode
Byte access (8-bit)
Word access (16-bit)
Odd byte access (8-bit)
Note: ×: L or H
-REG -CE2 -CE1 A0
×
H
H
×
L
H
L
L
L
H
L
H
L
L
L
×
L
L
H
×
-OE -WE D8 to D15 D0 to D7
×
×
High-Z
High-Z
L
H
High-Z
even byte
L
H
High-Z
invalid
L
H
invalid
even byte
L
H
invalid
High-Z
Attribute Write Access Mode
Mode
Standby mode
Byte access (8-bit)
Word access (16-bit)
Odd byte access (8-bit)
Note: ×: L or H
-REG -CE2 -CE1 A0
×
H
H
×
L
H
L
L
L
H
L
H
L
L
L
×
L
L
H
×
-OE -WE D8 to D15 D0 to D7
×
×
Don’t care Don’t care
H
L
Don’t care even byte
H
L
Don’t care Don’t care
H
L
Don’t care even byte
H
L
Don’t care Don’t care
Attribute Access Timing Example
A0 to A10
-REG
-CE2/-CE1
-OE
-WE
D0 to D15
Dout
read cycle
Din
write cycle
12