Samsung FLEX-MUXONENAND KFN8GH6Q4M - Manual (Page 50)

Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
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FLASH MEMORY
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)
OTP Lock Status (OTP
L
)
This bit shows whether the OTP block is locked or unlocked. Locking the OTP has the effect of a 'write-protect' to guard against
accidental re-programming of data stored in the OTP block.
The OTP
L
status bit is automatically updated at power-on.
OTP Lock Information[6]
1st Block OTP Lock Status (OTP
BL
)
This bit shows whether the 1st Block OTP is locked or unlocked.
Locking the 1st Block OTP has the effect of a 'Program/Erase protect' to guard against accidental re-programming of data stored in the 1st
block.
The OTP
BL
status bit is automatically updated at power-on.
OTP Lock Information[5]
Previous Cache Program status (Previous)
This bit shows the previous program status of Cache Program. This value is invalid only at the first ‘Read Controller Status Register’ step of
Cache Program operation. (Refer to 6.12 and 6.13)
Previous [2]
Current Cache Program Status (Current)
This bit shows the current program status only at Final Cache Program.
Current Information[1]
Time Out (TO)
This bit determines if there is a time out for load, program, and erase operations. It is fixed at 'no time out'.
TO Information[0]
OTP L OTP Locked/Unlocked Status
0 OTP Block Unlock Status(Default)
1 OTP Block Lock Status(Disable OTP Program/Erase)
OTP BL 1st Block OTP Locked/Unlocked Status
0 1st Block OTP Unlock Status(Default)
1 1st Block OTPLock Status(Disable 1st Block OTP Program/Erase)
Previous Status of previous program
0 Pass
1 Fail
Current Status of current program
0 Pass
1 Fail
Item Definition Description
TO Time Out 0 = no time out