參數資料
型號: KFM2G16Q2M-DEB5
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: MuxOneNAND FLASH MEMORY
中文描述: MuxOneNAND閃存
文件頁數: 69/124頁
文件大小: 1550K
代理商: KFM2G16Q2M-DEB5
MuxOneNAND1G(KFM1G16Q2M-DEB5)
MuxOneNAND2G(KFN2G16Q2M-DEB5)
FLASH MEMORY
69
A block that is in a locked-tight state can only be changed to locked state after a Cold or Warm Reset. Unlock and Lock command
sequences will not affect its state. This is an added level of write protection security.
A block must first be set to a locked state before it can be changed to locked-tight using the Lock-tight command. locked-tight blocks
will revert to a locked state following a Cold or Warm Reset.
Lock-Tight Command Sequence:
Start block address+Lock-tight block command (002Ch)
Locked-tight
3.4.4 NAND Flash Array Write Protection State Diagram
Power On
Start block address
+Unlock block Command
RP pin: High
&
Lock block Command
or
RP pin: High
&
Start block address
+Lock-tight block Command
RP pin: High
&
Start block address
Cold reset or
Warm reset
unlock
Lock
Lock
Lock-tight
Lock
Lock
Lock
Cold reset or
Warm reset
3.4.3.3 Locked-tight NAND Array Write Protection State
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