
OneNAND256
FLASH MEMORY
34
Table 3. Controller Status Register output for modes.
NOTE
:
1.
ERm and/or ERs bits in ECC status register at Load Fail case is 10. (2bits error - uncorrectable)
2. ERm and ERs bits in ECC status register at Load Reset case are 00. (No error)
3. Multi Block Erase status should be checked by Erase Verify Read operation.
4. OTP Erase does not update the register and the previous value is kept
Mode
Controller Status Register [15:0]
OnGo
Lock
Load
Prog
Erase
Error
Sus
Reserved(0) RSTB
OTP
L
 Reserved(0)
TO
Load Ongoing
1
0
1
0
0
0
0
0
0
0/1
00000
0
Program Ongoing
1
0
0
1
0
0
0
0
0
0/1
00000
0
Erase Ongoing
1
0
0
0
1
0
0
0
0
0/1
00000
0
Reset Ongoing
1
0
0
0
0
0
0
0
1
0/1
00000
0
Multi-Block Erase
Ongoing
1
0
0
0
1
0
0
0
0
0/1
00000
0
Erase Verify Read
Ongoing
1
0
0
0
0
0
0
0
0
0/1
00000
0
Load OK
0
0
0
0
0
0
0
0
0
0/1
00000
0
Program OK
0
0
0
0
0
0
0
0
0
0/1
00000
0
Erase OK
0
0
0
0
0
0
0
0
0
0/1
00000
0
Erase Verify Read
OK
3)
0
0
0
0
0
0
0
0
0
0/1
00000
0
Load Fail
1)
0
0
1
0
0
1
0
0
0
0/1
00000
0
Program Fail
0
0
0
1
0
1
0
0
0
0/1
00000
0
Erase Fail
0
0
0
0
1
1
0
0
0
0/1
00000
0
Erase Verify Read
Fail
3)
0
0
0
0
1
1
0
0
0
0/1
00000
0
Load Reset
2)
0
0
1
0
0
1
0
0
1
0/1
00000
0
Program Reset
0
0
0
1
0
1
0
0
1
0/1
00000
0
Erase Reset
0
0
0
0
1
1
0
0
1
0/1
00000
0
Erase Suspend
0
0
0
0
1
0
1
0
0
0/1
00000
0
Program Lock
0
1
0
1
0
1
0
0
0
0/1
00000
0
Erase Lock
0
1
0
0
1
1
0
0
0
0/1
00000
0
Load Lock(Buffer Lock)
0
1
1
0
0
1
0
0
0
0/1
00000
0
OTP Program 
Fail(Lock)
0
1
0
1
0
1
0
0
0
1
00000
0
OTP Program Fail
0
0
0
1
0
1
0
0
0
0
00000
0
OTP Erase Fail
0
1
0
0
1
1
0
0
0
0/1
00000
0
Program Ongo-
ing(Susp.)
1
0
0
1
1
0
1
0
0
0/1
00000
0
Load Ongoing(Susp.)
1
0
1
0
1
0
1
0
0
0/1
00000
0
Program Fail(Susp.)
0
0
0
1
1
1
1
0
0
0/1
00000
0
Load Fail(Susp.)
0
0
1
0
1
1
1
0
0
0/1
00000
0
Invalid Command
0
0
0
0
0
1
0
0
0
0/1
00000
0
Invalid Com-
mand(Susp.)
0
0
0
0
1
1
1
0
0
0/1
00000
0