SL2S3103FUD datasheet(36/80 Pages) NXP

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NXP Semiconductors

SL2S3103

ICODE 3 97pF

8.5.3 Custom commands

The manufacturer code of NXP Semiconductors is defined in ISO/IEC 7816-6A1 [4]. The code has the value

"04h".

For the structure of custom commands, refer to ISO/IEC 15693-3 [3].

Unless otherwise specified, all the address modes are supported.

8.5.3.1 GET RANDOM NUMBER

Command code = B2h

The GET RANDOM NUMBER command is required to receive a random number from the label IC. The

passwords transmitted with the SET PASSWORD, ENABLE PRIVACY and DESTROY commands must be

calculated with the password and the random number (see Section 8.5.3.2 "SET PASSWORD").

The different passwords are addressed with the password identifier.

SOF

Flags

GET RANDOM

NUMBER

IC Mfg code

UID

CRC16

EOF

8 bits

64 bits optional 16 bits

Table 46. GET RANDOM NUMBER request format

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 47. GET RANDOM NUMBER response when Error_flag set

SOF

Flags

Random number

CRC16

EOF

8 bits

16 bits

Table 48. GET RANDOM NUMBER response format when Error_flag NOT set

SL2S3103

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Product data sheet

Rev. 3.1 — 29 May 2024

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