參數(shù)資料
型號(hào)： M28W160ECT85ZB6T
廠商： 意法半導(dǎo)體
英文描述： 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
中文描述： 16兆位（1兆x16插槽，引導(dǎo)塊）3V電源快閃記憶體
文件頁(yè)數(shù)： 35/50頁(yè)
文件大?。?/td> 860K
代理商： M28W160ECT85ZB6T
35/50
M28W160ECT, M28W160ECB
APPENDIX B. COMMON FLASH INTERFACE (CFI)
The Common Flash Interface is a JEDEC ap-
proved, standardized data structure that can be
read from the Flash memory device. It allows a
system software to query the device to determine
various electrical and timing parameters, density
information and functions supported by the mem-
ory. The system can interface easily with the de-
vice, enabling the software to upgrade itself when
necessary.
When the CFI Query Command (RCFI) is issued
the device enters CFI Query mode and the data
structure is read from the memory. Tables
25
,
26
,
27
,
28
,
29
and
30
show the addresses used to re-
trieve the data.
The CFI data structure also contains a security
area where a 64 bit unique security number is writ-
ten (see
Table 30., Security Code Area
). This area
can be accessed only in Read mode by the final
user. It is impossible to change the security num-
ber after it has been written by ST. Issue a Read
command to return to Read mode.
Table 25. Query Structure Overview
Note: Query data are always presented on the lowest order data outputs.
Table 26. CFI Query Identification String
Note: Query data are always presented on the lowest order data outputs (DQ7-DQ0) only. DQ8-DQ15 are ‘0’.
Offset
Sub-section Name
Description
00h
Reserved
Reserved for algorithm-specific information
10h
CFI Query Identification String
Command set ID and algorithm data offset
1Bh
System Interface Information
Device timing & voltage information
27h
Device Geometry Definition
Flash device layout
P
Primary Algorithm-specific Extended Query table
Additional information specific to the Primary
Algorithm (optional)
A
Alternate Algorithm-specific Extended Query table
Additional information specific to the Alternate
Algorithm (optional)
Offset
Data
Description
Value
00h
0020h
Manufacturer Code
ST
01h
88CEh
88CFh
Device Code
Top
Bottom
02h-0Fh
reserved
Reserved
10h
0051h
"Q"
11h
0052h
Query Unique ASCII String "QRY"
"R"
12h
0059h
"Y"
13h
0003h
Primary Algorithm Command Set and Control Interface ID code 16 bit ID code
defining a specific algorithm
Intel
compatible
14h
0000h
15h
0035h
Address for Primary Algorithm extended Query table (see
Table 28.
)
P = 35h
16h
0000h
17h
0000h
Alternate Vendor Command Set and Control Interface ID Code second vendor -
specified algorithm supported (0000h means none exists)
NA
18h
0000h
19h
0000h
Address for Alternate Algorithm extended Query table
(0000h means none exists)
NA
1Ah
0000h
相關(guān)PDF資料
PDF描述
M28W160ECT85ZB6U 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1E 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1F 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1S 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1T 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M28W160ECT85ZB6U 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1 制造商:NUMONYX 制造商全稱(chēng):Numonyx B.V 功能描述:16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1E 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1F 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
M28W160ECT90N1S 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory
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