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參數(shù)資料
| 型號(hào)： | M58LW128A150N1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 8M X 16 FLASH 3V PROM, 150 ns, PDSO56 |
| 封裝： | 14 X 20 MM, PLASTIC, TSOP-56 |
| 文件頁數(shù)： | 48/65頁 |
| 文件大?。?/td> | 378K |
| 代理商： | M58LW128A150N1 |
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M58LW128A, M58LW128B
52/65
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 29, 30,
31, 32, 33 and 34 show the addresses used to re-
trieve the data.
When the M58LW128B is used in x16 mode,A1
is the Least Significant Address. Toggling A1 will
not change the CFI information available on the
DQ15-DQ0 outputs.
To read the CFI, in the M58LW128A and
M58LW128B devices, in x16 mode, addresses
A23-A1 are used; for the x32 mode of the
M58LW128B device only addresses A23-A2 are
used. To read the CFI, in the M58LW128B device,
in x16 mode, the address offsets shown must be
multiplied by two in hexadecimal.
Table 29. Query Structure Overview
Note: 1. Offset 0015h (x16) or 00000015h (x32) defines P which points to the Primary Algorithm Extended Query Address Table.
2. Offset 0019h (x16) or 00000019h (x32) defines A which points to the Alternate Algorithm Extended Query Address Table.
3. SBA is the Start Base Address for each block.
Offset
Sub-section Name
Description
00h
Manufacturer Code
01h
Device Code
10h
CFI Query Identification String
Command set ID and algorithm data offset
1Bh
System Interface Information
Device timing and voltage information
27h
Device Geometry Definition
Flash memory layout
P(h)(1)
Primary Algorithm-specific Extended Query Table
Additional information specific to the Primary
Algorithm (optional)
A(h)(2)
Alternate Algorithm-specific Extended Query Table
Additional information specific to the Alternate
Algorithm (optional)
(SBA+02)h
Block Status Register
Block-related Information
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M58LW128A150N1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit 8Mb x16 or 4Mb x32, Uniform Block, Burst 3V Supply Flash Memories |
| M58LW128A150N1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit 8Mb x16 or 4Mb x32, Uniform Block, Burst 3V Supply Flash Memories |
| M58LW128A150N1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit 8Mb x16 or 4Mb x32, Uniform Block, Burst 3V Supply Flash Memories |
| M58LW128A150N6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit 8Mb x16 or 4Mb x32, Uniform Block, Burst 3V Supply Flash Memories |
| M58LW128A150N6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:128 Mbit 8Mb x16 or 4Mb x32, Uniform Block, Burst 3V Supply Flash Memories |
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