參數(shù)資料
型號(hào)： S29CD016G0JFFM012
廠商： Spansion Inc.
英文描述： 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
中文描述： 32兆位（1米× 32位），16兆位（512k × 32的位），2.5伏，只有突發(fā)模式，雙啟動(dòng)，同步讀/寫閃存與VersatileI內(nèi)存/輸出
文件頁(yè)數(shù)： 55/87頁(yè)
文件大?。?/td> 792K
代理商： S29CD016G0JFFM012
November 14, 2005 S29CD-G_00_B0
S29CD-G Flash Family
53
P r e l i m i n a r y
Since this is a volatile bit, removing power or resetting the device clears the DYBs. The bank ad-
dress is latched when the command is written.
The DYB Write command is permitted if the Secured Silicon sector is enabled.
PPB Lock Bit Set
The PPB Lock Bit set command is used for setting the DYB, which is a volatile bit that is cleared
at reset. There is one DYB per sector. If the PPB is set, the sector is protected regardless of the
value of the DYB. If the PPB is cleared, setting the DYB to a 1 protects the sector from programs
or erases. Since this is a volatile bit, removing power or resetting the device clears the DYBs. The
bank address is latched when the command is written.
The PPB Lock command is permitted if the Secured Silicon sector is enabled.
DYB Status
The programming of the DYB for a given sector can be verified by writing a DYB status verify com-
mand to the device.
PPB Status
The programming of the PPB for a given sector can be verified by writing a PPB status verify com-
mand to the device.
PPB Lock Bit Status
The programming of the PPB Lock Bit for a given sector can be verified by writing a PPB Lock Bit
status verify command to the device.
Non-volatile Protection Bit Program And Erase Flow
The device uses a standard command sequence for programming or erasing the Secured Silicon
Sector Protection, Password Locking, Persistent Sector Protection Mode Locking, or Persistent Pro-
tection Bits. Unlike devices that have the Single High Voltage Sector Unprotect/Protect feature,
the device has the standard two-cycle unlock followed by 60h, which places the device into non-
volatile bit program or erase mode. Once the mode is entered, the specific non-volatile bit status
is read on DQ0.
Figure 4 on page 45
shows a typical flow for programming the non-volatile bit
and
Figure 5 on page 48
shows a typical flow for erasing the non-volatile bits. The Secured Silicon
Sector Protection, Password Locking, Persistent Sector Protection Mode Locking bits are
not
erasable
after they are programmed. However, the PPBs are both erasable and programmable
(depending upon device security).
Unlike Single High Voltage Sector Protect/Unprotect, the A6 pin no longer functions as the pro-
gram/erase selector nor the program/erase margin enable. Instead, this function is accomplished
by issuing the specific command for either program (68h) or erase (60h).
In asynchronous mode, the DQ6 toggle bit indicates whether the program or erase sequence is
active. (In synchronous mode, ADV# indicates the status.) If the DQ6 toggle bit toggles with ei-
ther OE# or CE#, the non-volatile bit program or erase operation is in progress. When DQ6 stops
toggling, the value of the non-volatile bit is available on DQ0.
相關(guān)PDF資料
PDF描述
S29CD016G0JFFM100 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM102 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM110 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM112 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM200 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29CD016G0JFFM100 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM102 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM110 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM112 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM200 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
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