System Command
Section 5-4
5-28
5-4-9 Lock Setting (LK): ISO Mode Only
This command is used to set and check the write-protection of Tags incorporating I.CODE1 chip.
A Tag can be locked (or write-protected) by memory page.
<Command Format>
STX
Node No..
Command code
“LK”
Tag
type
First lock page
lock
No. of pages
ETX BCC
1 2
2 1 2
2 1
1
Tag type
Specifies Tag type.
A: I.CODE2 chip
First lock page
Specifies the first page to be locked in hexadecimal.
Specification range: 00 to 1Bh
* For details, refer to 2-4 Memory Map of Tag.
No. of lock pages
Specifies the first lock page t in hexadecimal.
Specification range: 01h to 1Ch
<Response Format>
STX Node
No.. Retry
flag
Command code
“LK”
Response
code
“00”
ETX BCC
1 2 1 2
2 1
1
Response code
00:normal completion
For other response codes, refer to 5-2-4 Response code List.
Caution
Be careful that once a lock is set, the lock cannot be cleared.
Note
This command is for ISO mode Only. The command is not available in
I.CODE1 mode.
!
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