C141-E090-01EN5 - 58At command issuance (I-O registers setting contents)1F7H(CM) 1 1 1 1 0 0 1 11F6H(DH) × × × DV xx1F5H(CH)1F4H(CL)1F3H(SN)1F2H(SC)1F1H(FR)xxxxxxxxxxAt command completion (I-O registers setting contents)1F7H(ST) Status information1F6H(DH) × × × DV xx1F5H(CH)1F4H(CL)1F3H(SN)1F2H(SC)1F1H(ER)xxxxxxxxError information(32) SECURITY ERASE UNIT (F4h)This command erases all user data. This command also invalidates the user password andreleases the lock function.The host transfers the 512-byte data shown in Table 1.1 to the device. The device comparesthe user password or master password in the transferred data with the user password or masterpassword already set. The device erases user data, invalidates the user password, and releasesthe lock function if the passwords are the same.Although this command invalidates the user password, the master password is retained. Torecover the master password, issue the SECURITY SET PASSWORD command and reset theuser password.If the SECURITY ERASE PREPARE command is not issued immediately before thiscommand is issued, the Aborted Command error is returned.Issuing this command while in FROZEN MODE returns the Aborted Command error.
