SL2S3003 datasheet(41/82 Pages) NXP

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NXP Semiconductors

SL2S3003/SL2S3003TT

ICODE 3 (TagTamper)

8.5.3.4 LOCK PASSWORD

Command code = B5h

The LOCK PASSWORD command is used to lock the addressed password if the related password has been

transmitted with a SET PASSWORD command already. A locked password cannot be changed.

The different passwords are addressed with the password identifier.

The timing of the command is write alike.

Option 0 (Option flag not set) is supported.

Option 1 (Option flag set) is supported.

Note: Setting the related OTP bit to 1 with the WRITE CONFIG command to blocks 26, 27 and 29 of the

configuration memory also locks the passwords. See Table 9 and Table 26.

SOF

Flags

LOCK PAS

SWORD

IC Mfg code

UID

Password

identifier

CRC16

EOF

8 bits

64 bits

optional

8 bits

16 bits

Table 59. LOCK PASSWORD request format

Password identifier

Password

01h

Read

02h

Write

04h

Privacy

08h

Destroy

10h

EAS/AFI

20h

Configuration memory

Table 60. Password identifier

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 61. LOCK PASSWORD response format when Error_flag set

SOF

Flags

CRC16

EOF

8 bits

16 bits

Table 62. LOCK PASSWORD 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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