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C141-E090-01EN5 - 58
At command issuance (I-O registers setting contents)
1F7
H
(CM) 1 1 1 1 0 0 1 1
1F6
H
(DH)
× × ×
DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(FR)
xx
xx
xx
xx
xx
At command completion (I-O registers setting contents)
1F7
H
(ST) Status information
1F6
H
(DH)
× × ×
DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
xx
xx
xx
xx
Error information
(32) SECURITY ERASE UNIT (F4h)
This command erases all user data. This command also invalidates the user password and
releases the lock function.
The host transfers the 512-byte data shown in Table 1.1 to the device. The device compares
the user password or master password in the transferred data with the user password or master
password already set. The device erases user data, invalidates the user password, and releases
the lock function if the passwords are the same.
Although this command invalidates the user password, the master password is retained. To
recover the master password, issue the SECURITY SET PASSWORD command and reset the
user password.
If the SECURITY ERASE PREPARE command is not issued immediately before this
command is issued, the Aborted Command error is returned.
Issuing this command while in FROZEN MODE returns the Aborted Command error.