SL2S3003 datasheet(46/82 Pages) NXP

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NXP Semiconductors

SL2S3003/SL2S3003TT

ICODE 3 (TagTamper)

8.5.3.8 DESTROY

Command code = B9h

The DESTROY command is used to destroy ICODE 3 Label IC. The Destroy password must be correct. This

command is irreversible and the ICODE 3 never responds to any command again.

The DESTROY command can only be executed in addressed or selected mode.

The XOR password must be calculated with the password and twice the received random number from the last

GET RANDOM NUMBER command:

XOR_Password[31:0] = Password[31:0] XOR {Random_Number[15:0], Random_Number[15:0]}.

The timing of the command is write alike.

SOF

Flags

DESTROY

IC Mfg code UID

XOR

password

CRC16

EOF

8 bits

64 bits

optional

32 bits

16 bits

Table 75. DESTROY request format

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 76. DESTROY response format when Error_flag set

SOF

Flags

CRC16

EOF

8 bits

16 bits

Table 77. DESTROY response format when Error_flag NOT set

SL2S3003/SL2S3003TT

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Product data sheet

Rev. 3.0 — 28 March 2024

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