5-5
System Command
5-5
5-45
5-5-7 Lock Setting (LK): ISO Mode
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.CODE SLI chip
First lock page
Specifies the first page to be locked in hexadecimal.
Specification range: 00 to FFh
* 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 5-3-7 Response code List.
(Important) Precautions on the Lock function
Be careful that once a lock is set, the lock cannot be cleared.
：
This command is for ISO mode Only. The command is not available in I.CODE1 mode, refer to
5-5-9.
