Fujitsu MHW2040AC, Product Manual

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Interface
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH)
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
xx
xx
xx
xx
xx
1F1
H
(ER) Error information
Password information
Words Contents
0 Reserved
1 to 16 Password (32 bytes)
17 to 255 Reserved
•
SET MAX LOCK (FR = 02h)
The SET MAX LOCK command sets the device into SET_MAX_LOCK state.
After this command is completed, any other SET MAX commands except SET
MAX UNLOCK and SET MAX FREEZE LOCK commands are rejected. And
the device returns command aborted.
The device remains in the SET MAX LOCK state until a power cycle or the
acceptance of SET MAX UNLOCK or SET MAX FREEZE LOCK command.
The READ NATIVE MAX ADDRESS command is not executed just before this
command. The command is the SET MAX ADDRESS command if it is the
command just after the READ NATIVE MAX ADDRESS command is executed.
5-106 C141-E258