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參數(shù)資料
| 型號(hào)： | M36W832Te85ZA1T |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| 中文描述： | 32兆位的2Mb x16插槽，引導(dǎo)塊閃存和8兆位的SRAM 512KB的x16，內(nèi)存產(chǎn)品多 |
| 文件頁數(shù)： | 48/64頁 |
| 文件大?。?/td> | 897K |
| 代理商： | M36W832TE85ZA1T |
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M36W832TE, M36W832BE
48/64
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 28, 29,
30, 31, 32 and 33 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 33, 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 28. Query Structure Overview
Note: Query data are always presented on the lowest order data outputs.
Table 29. 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
88BAh
88BBh
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 31)
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 |
|---|---|
| M36W832TEZA | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832Be70ZA1S | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832Be70ZA1T | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832TE-ZAT | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832Be70ZA6S | 32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M36W832TE85ZA6S | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832TE85ZA6T | 功能描述:組合存儲(chǔ)器 32M (2Mx16) 85ns RoHS:否 制造商:Microchip Technology 組織:512 K x 16 電源電壓-最大: 電源電壓-最小: 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:LFBGA-48 封裝:Tray |
| M36W832TEZA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W832TE-ZAT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Boot Block Flash Memory and 8 Mbit 512Kb x16 SRAM, Multiple Memory Product |
| M36W864BE-70ZA6 | 制造商:Micron Technology Inc 功能描述:64M FLASH, 8M SRAM, 3V, BOT, BGA, IND - Trays |
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