參數(shù)資料
型號(hào)： S29NS064N0SBJW000
廠商： SPANSION LLC
元件分類(lèi)： DRAM
英文描述： Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
中文描述： 4M X 16 FLASH 1.8V PROM, 80 ns, PBGA44
封裝： 7.70 X 6.20 MM, LEAD FREE, FBGA-44
文件頁(yè)數(shù)： 29/86頁(yè)
文件大?。?/td> 1036K
代理商： S29NS064N0SBJW000
S29NS-N_00_A12 June 13, 2006
S29NS-N MirrorBit Flash Family
27
D a t a
S h e e t
( A d v a n c e
I n f o r m a t i o n )
8.30.2
Customer Secured Silicon Sector
If the security feature is not required, the Customer Secured Silicon Sector
Secure Sector
can be treated as
an additional Flash memory space. The Customer Secured Silicon Sector can be read any number of times,
but can be programmed and locked only once. Note that the accelerated programming (ACC) and unlock
bypass functions are not available when programming the Customer Secured Silicon Sector, but reading the
first Bank through the last bank is available. The Customer Secured Silicon Sector is located at addresses
000080h–0000FFh.
The Customer Secured Silicon Sector area can be protected by writing the Secured Silicon Sector Protection
Bit Lock command sequence.
Once the Customer Secured Silicon Sector is locked and verified, the system must write the Exit Secured
Silicon Sector Region command sequence to return to reading and writing SA0 in the memory array.
The Customer Secured Silicon Sector lock must be used with caution since, once locked, there is no
procedure available for unlocking the Customer Secured Silicon Sector area and none of the bits in the
Customer Secured Silicon Sector memory space can be modified in any way.
9.
Common Flash Memory Interface (CFI)
The Common Flash Interface (CFI) specification outlines device and host system software interrogation
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-independent, and forward- and
backward-compatible for the specified flash device families. Flash vendors can standardize their 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 any time the device is ready to read array data. The system can read CFI information at the addresses
given in Tables
9.1
–
9.5
. To terminate reading CFI data, the system must write the reset command.
For further information, please refer to the CFI Specification and CFI Publication 100, available via the World
Wide Web at
http://www.amd.com/flash/cfi
. Alternatively, contact the local sales representative for copies of
these documents.
Table 9.1
CFI Query Identification String
Addresses
Data
Description
S29NS256N
S29NS128N
S29NS064N
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
0000h
Alternate OEM Command Set (00h = none exists)
19h
1Ah
0000h
0000h
Address for Alternate OEM Extended Table (00h = none exists)
相關(guān)PDF資料
PDF描述
S29NS064N0SBJW002 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS064N0SBJW003 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0PBJW000 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0PBJW002 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0PBJW003 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29NS064N0SBJW002 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS064N0SBJW003 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128J0LBAW00 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:110 nm CMOS 1.8-Volt only Simultaneous Read/Write, Burst Mode Flash Memories
S29NS128J0LBAW000 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:Burst Mode Flash Memories
S29NS128J0LBAW002 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:Burst Mode Flash Memories
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