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參數(shù)資料
| 型號(hào)： | M29DW128F |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
| 中文描述： | 128兆位（16Mb的x8或和8Mb x16插槽，多行，頁，引導(dǎo)塊）3V電源，快閃記憶體 |
| 文件頁數(shù)： | 76/93頁 |
| 文件大?。?/td> | 719K |
| 代理商： | M29DW128F |
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12 Part numbering
M29DW128F
76/93
Appendix B Common Flash Interface (CFI)
The Common Flash Interface is a JEDEC approved, 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 memory. The system can interface easily with the device, enabling the
software to upgrade itself when necessary.
When the Read CFI Query command is issued the addressed bank enters Read CFI Query
mode and read operations in the same bank (A22-A19) output the CFI data.
Table 35
,
Table 36
,
Table 37
,
Table 38
,
Table 39
and
Table 40
show the addresses (A-1, A0-A10) used to retrieve
the data.
The CFI data structure also contains a security area where a 64 bit unique security number is
written (see
Table 40: Security Code Area
). This area can be accessed only in Read mode by
the final user. It is impossible to change the security number after it has been written by ST.
Table 35.
Query Structure Overview
1.
Query data are always presented on the lowest order data outputs.
Address
Sub-section Name
Description
x16
x8
10h
20h
CFI Query Identification String
Command set ID and algorithm data offset
1Bh
36h
System Interface Information
Device timing & voltage information
27h
4Eh
Device Geometry Definition
Flash device layout
40h
80h
Primary Algorithm-specific Extended
Query table
Additional information specific to the Primary
Algorithm (optional)
61h
C2h
Security Code Area
64 bit unique device number
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| M29DW128F70ZA6T | 128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
| M29DW128F70ZA6F | 128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
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| M29DW128F70ZA1T | 128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M29DW128F_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory |
| M29DW128F60NF1 | 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory |
| M29DW128F60NF1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
| M29DW128F60NF1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
| M29DW128F60NF1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory |
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