AMC0XXDFLKA Datasheet, PDF (8/46 Pages) Advanced Micro Devices – 4, 8, 20, or 32 Megabyte 5.0 Volt-only Flash Memory PC Card

Table 2. Attribute Memory Bus Operations
Pins/Operation
REG CE2 CE1 OE WE A0
READ/WRITE
Read Mode (Note 3)
Standby Mode
X
H
H
X
X
X
Word Access (Note 4)
L
L
L
L
H
X
Even Byte Access
L
H
L
L
H
L
Odd Byte Access (Note 4)
L
H
L
L
H
H
Odd-Byte-Only Access (Note 4)
L
L
H
L
H
X
Write Mode (Note 5,6)
Standby Mode
X
H
H
X
X
X
Word Access
L
L
L
H
L
X
Low Byte Access
L
H
L
H
L
L
Odd Byte Access
L
H
L
H
L
H
Odd-Byte-Only Access
L
L
H
X
H
L
Output Disable
L
X
X
H
H
X
D8–D15
D0–D7
High-Z
Not Valid
High-Z
High-Z
Not Valid
High-Z
Data Out-Even
Data Out-Even
Not Valid
High-Z
X
X
X
X
X
High-Z
X
Data In-Even
Data In-Even
X
X
High-Z
Notes:
1. X indicates any value.
2. V_PP pins are not connected in the 5.0 Volt-Only Flash Memory Card.
3. During Attribute Memory Read function, REG and OE must be active for the entire cycle.
4. Only even-byte data is valid during Attribute Memory Read function.
5. During Attribute Memory Write function, REG and WE must be active for the entire cycle, OE must be inactive for the
entire cycle.
6. The first 128 bytes of the attribute memory is not writable as it contains the CIS. Only the remaining 384 bytes are writable.
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AmC0XXDFLKA