Interface

At command issuance (I-O register contents)

1F7h(CM)

1

1

1

1

0

1

0

0

1F6h(DH)

×

×

×

DV

xx

 

 

 

 

 

 

 

 

 

 

 

 

1F5h(CH)

xx

 

 

 

 

 

 

 

1F4h(CL)

xx

 

 

 

 

 

 

 

1F3h(SN)

xx

 

 

 

 

 

 

 

1F2h(SC)

xx

 

 

 

 

 

 

 

1F1h(FR)

xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At command completion (I-O register contents)

1F7h(ST)

Status information

 

 

 

 

 

 

 

 

1F6h(DH)

×

×

×

DV

xx

 

 

 

 

 

 

1F5h(CH)

xx

 

 

 

 

1F4h(CL)

xx

 

 

 

 

1F3h(SN)

xx

 

 

 

 

1F2h(SC)

xx

 

 

 

 

1F1h(ER)

Error information

 

 

 

 

 

 

 

 

(33) SECURITY FREEZE LOCK (F5h)

This command puts the device into FROZEN MODE. The following commands used to change the lock function return the Aborted Command error if the device is in FROZEN MODE.

SECURITY SET PASSWORD

SECURITY UNLOCK

SECURITY DISABLE PASSWORD

SECURITY ERASE UNIT

FROZEN MODE is canceled when the power is turned off. If this command is reissued in FROZEN MODE, the command is completed and FROZEN MODE remains unchanged.

Issuing this command during LOCKED MODE returns the Aborted Command error.

The following medium access commands return the Aborted Command error when the device is in LOCKED MODE:

5-72

C141-E088-01EN

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Fujitsu MHK2090AT, MHK2120AT, MHK2060AT, MHJ2181AT manual Interface