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參數(shù)資料
| 型號： | AMC0XXDFLKA |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 4, 8, 20, or 32 Megabyte 5.0 Volt-only Flash Memory PC Card |
| 中文描述： | 4，8，20或32兆字節(jié)5.0伏，只有閃存PC卡 |
| 文件頁數(shù)： | 7/46頁 |
| 文件大?。?/td> | 157K |
| 代理商： | AMC0XXDFLKA |
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AmC0XXDFLKA
7
of a card. The CIS is stored in the attribute memory
space beginning at address 00000H. The D-Series
cards contain a separate EEPROM for the Card Infor-
mation Structure. D0–D7 are active during attribute
memory accesses. D8–D15 should be ignored. Odd or-
der bytes present invalid data. Refer to Table 2.
Word-Wide Operations
The D-Series cards provide the flexibility to operate on
data in a byte-wide or word-wide format. In word-wide
operations the CE1 and CE2 must be low and A0 is not
used for any addressing.
Table 1.
Common Memory Bus Operations
Notes:
1. X indicates a don’t care value.
2. V
PP
pins are not connected in the 5.0 Volt-only Flash Memory Card.
3. Refer to Table 5 for valid D
IN
during a word write operation.
4. Refer to Table 3 and 4 for valid D
IN
during a byte write operation.
5. During odd byte access, A0 = V
IH
outputs or inputs the “odd” byte (high byte) of the x16 word on D0–D7. This is accomplished
internal to the card by transposing D8–D15 to D0–D7.
6. During odd-byte-only access , A0 = X outputs or inputs the “odd” byte (high byte) of the x16 word on D8–D15.
Function
REG
CE2
CE1
OE
WE
A0
D8–D15
D0–D7
Read Mode
Standby Mode
X
H
H
X
X
X
High-Z
High-Z
Word Access
H
L
L
L
H
X
Data Out-Odd
Data Out-Even
Low Byte Access
H
H
L
L
H
L
High-Z
Data Out-Even
Odd Byte Access
H
H
L
L
H
H
High-Z
Data Out-Odd
Odd-Byte-Only Access
H
L
H
L
H
X
Data Out-Odd
High-Z
Write Mode
Standby Mode
X
H
H
X
X
X
X
X
Word Access (Note 3)
H
L
L
H
L
X
Data In-Odd
Data In-Even
Even Byte Access (Note 4)
H
H
L
H
L
L
High-Z
Data In-Even
Odd Byte Access (Note 4)
H
H
L
H
L
H
High-Z
Data In-Odd
Odd-Byte-Only Access (Note 4)
H
L
H
H
L
X
Data In-Odd
High-Z
Output Disable
H
X
X
H
H
X
High-Z
High-Z
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