User's Manual

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0x02
–
Write password
0x04 – Privacy password
0x08 – Destroy password
Response description
ACK
1
0x00
Command ID
1
0xA2
ICODE_LOCK_PASSWORD
Example:
HOST=>READER: 0xA2 – ICODE_LOCK_PASSWORD
0x02 – write password
READER=>HOST: 0x00 – ACK byte
0xA2 – related command code ICODE_LOCK_PASSWORD
3.6.20 Protect page (0xA3)
This command changes the protection status of a page. Note that the related passwords have to be
transmitted before with ICODE_SET_PASSWORD if the page is not public. Please refer to the NXP
documentation for more information.
Command description
Argument
Size
Value
Description
Command ID
1
0xA3
ICODE_PAGE_PROTECT
Page address 1 X

Page number to be protected in case of products that do not have
pages characterized as high and Low.
 Block number to be protected in case of products that have pages
characterized as high and Low.
Protection
status
1 X

Protection status options for the products that do not have pages
characterized as high and Low:
0x00: ICODE_PROTECT_PAGE_PUBLIC
0x01: ICODE_PROTECT_PAGE_READ_WRITE_READ_PASSWORD
0x10: ICODE_PROTECT_PAGE_WRITE_PASSWORD
0x11: ICODE_PROTECT_PAGE_READ_WRITE_PASSWORD_SEPERATE
 Extended Protection status options for the products that have
pages
characterized as high and Low:
0x01: ICODE_PROTECT_PAGE_READ_LOW
0x02: ICODE_PROTECT_PAGE_WRITE_LOW
0x10: ICODE_PROTECT_PAGE_READ_HIGH
0x20: ICODE_PROTECT_PAGE_WRITE_HIGH
Response description
ACK
1
0x00