參數(shù)資料
型號(hào)： S29NS128N0PBJW000
廠商： SPANSION LLC
元件分類： DRAM
英文描述： Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
中文描述： 8M X 16 FLASH 1.8V PROM, 80 ns, PBGA44
封裝： 9.20 X 8 MM, LEAD FREE, FBGA-44
文件頁(yè)數(shù)： 51/86頁(yè)
文件大?。?/td> 1036K
代理商： S29NS128N0PBJW000
S29NS-N_00_A12 June 13, 2006
S29NS-N MirrorBit Flash Family
49
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 )
11.13 Non-Volatile Sector Protection Command Set Definitions
The Non-Volatile Sector Protection Command Set permits the user to program the Persistent Protection Bits
(PPBs), erase all of the Persistent Protection Bits (PPBs), and read the logic state of the Persistent Protection
Bits (PPBs).
The
Non-Volatile Sector Protection Command Set Entry
command sequence must be issued prior to any
of the commands listed following to enable proper command execution.
Note that issuing the
Non-Volatile Sector Protection Command Set Entry
command disables reads and
writes for
Active Bank
. Reads from other banks excluding
Active Bank
are allowed.
PPB Program Command
All PPB Erase Command
PPB Status Read Command
The PPB Program command is used to program, or set, a given PPB. Each PPB is individually programmed
(but is bulk erased with the other PPBs). The specific sector addresses (A
MAX
–A14) are written at the same
time as the program command. If the PPB Lock Bit is set, the PPB Program command will not execute and
the command will time-out without programming the PPB.
The All PPB Erase command is used to erase all PPBs in bulk. There is no means for individually erasing a
specific PPB. Unlike the PPB program, no specific sector address is required. However, when the PPB erase
command is written, all Sector PPBs are erased in parallel. If the PPB Lock Bit is set the ALL PPB Erase
command will not execute and the command will time-out without erasing the PPBs.
The device will preprogram all PPBs prior to erasing when issuing the All PPB Erase command. Also note
that the total number of PPB program/erase cycles has the same endurance as the flash memory array.
The programming state of the PPB for a given sector can be verified by writing a PPB Status Read Command
to the device. See
Table 11.4 on page 50
for the PPB program/erase algorithm.
Note: PPB reads data only asynchronously.
相關(guān)PDF資料
PDF描述
S29NS128N0PBJW002 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0PBJW003 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW000 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW002 Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW003 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
S29NS128N0PBJW002 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0PBJW003 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW000 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW002 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
S29NS128N0SBJW003 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Simultaneous Read/Write, Multiplexed, Burst Mode Flash Memory
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