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參數(shù)資料
| 型號： | AM29PL320DT60RWPI |
| 廠商： | SPANSION LLC |
| 元件分類： | DRAM |
| 英文描述： | 32 Megabit (2 M x 16-Bit/1 M x 32-Bit) CMOS 3.0 Volt-only High Performance Page Mode Flash Memory |
| 中文描述： | 1M X 32 FLASH 3V PROM, 60 ns, PBGA84 |
| 封裝： | 11 X 12 MM, 0.80 MM PITCH, FBGA-84 |
| 文件頁數(shù)： | 17/50頁 |
| 文件大小： | 947K |
| 代理商： | AM29PL320DT60RWPI |
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October 2, 2003
Am29PL320D
15
COMMON FLASH MEMORY INTERFACE
(CFI)
The Common Flash Interface (CFI) specification out-
lines device and host system software interrogation
handshake, which allows specific vendor-specified
software algorithms to be used for entire families of de-
vices. Software support can then be device-
independent, JEDEC ID-independent, and forward-
and backward-compatible for the specified flash device
families. Flash vendors can standardize their existing
interfaces for long-term compatibility.
This device enters the CFI Query mode when the sys-
tem writes the CFI Query command, 98h, to address
55h in double word mode (or address AAh in word
mode), any time the device is ready to read array data.
The system can read CFI information at the addresses
given in Tables 9–12. To terminate reading CFI data,
the system must write the reset command.
The system can also write the CFI query command
when the device is in the autoselect mode. The device
enters the CFI query mode, and the system can read
CFI data at the addresses given in Tables 9–12. The
system must write the reset command to return the de-
vice to the autoselect mode.
For further information, please refer to the CFI Specifi-
cation and CFI Publication 100, available via the World
Wide Web at http://www.amd.com/flash/cfi. Alterna-
tively, contact an AMD representative for copies of
these documents.
Table 9.
CFI Query Identification String
Addresses
(Double
Word Mode)
Addresses
(Word Mode)
Data
Description
10h
11h
12h
20h
22h
24h
0051h
0052h
0059h
Query Unique ASCII string “QRY”
13h
14h
26h
28h
0002h
0000h
Primary OEM Command Set
15h
16h
2Ah
2Ch
0040h
0000h
Address for Primary Extended Table
17h
18h
2Eh
30h
0000h
0000h
Alternate OEM Command Set (00h = none exists)
19h
1Ah
32h
34h
0000h
0000h
Address for Alternate OEM Extended Table (00h = none exists)
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