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參數(shù)資料
| 型號： | S29CL032J0RFFN130 |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 1M X 32 FLASH 3.3V PROM, 48 ns, PBGA80 |
| 封裝： | 13 X 11 MM, 1 MM PITCH, LEAD FREE, FORTIFIED, BGA-80 |
| 文件頁數(shù)： | 68/78頁 |
| 文件大小： | 1825K |
| 代理商： | S29CL032J0RFFN130 |
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68
S29CD-J & S29CL-J Flash Family
S29CD-J_CL-J_00_B1 September27,2006
Prel imi n ary
19 Appendix 1
19.1
Common Flash Memory Interface (CFI)
The Common Flash Interface (CFI) specification outlines device and host system software inter-
rogation handshake, which allows specific vendor-specified software algorithms to be used for
entire families of devices. Software support can then be device-independent, JEDEC ID-indepen-
dent, and forward- and backward-compatible for the specified flash device families. Flash
vendors can standardize existing interfaces for long-term compatibility.
This device enters the CFI Query mode when the system writes the CFI Query command, 98h,
to address 55h in word mode (or address AAh in byte mode), any time the device is ready to
read array data. The system can read CFI information at the addresses given in Table 19.1-Table
19.3. In order 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 Table 19.1-Table 19.3. The system must write the reset command to return the device to the
autoselect mode.
For further information, please refer to the CFI Specification and CFI Publication 100, available
via the World Wide Web at http://www.amd.com/products/nvd/overview/cfi.html or contact a
Spansion representative for copies of these documents.
Table 19.1 CFI Query Identification String
Addresses
Data
Description
10h
11h
12h
0051h
0052h
0059h
Query Unique ASCII string QRY
13h
14h
0002h
0000h
Primary OEM Command Set
15h
16h
0040h
0000h
Address for Primary Extended Table
17h
18h
0000h
Alternate OEM Command Set (00h = none exists)
19h
1Ah
0000h
Address for Alternate OEM Extended Table (00h = none exists)
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