SL2S3003 datasheet(63/82 Pages) NXP

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NXP Semiconductors

SL2S3003/SL2S3003TT

ICODE 3 (TagTamper)

8.5.3.21 READ CONFIG

Command code = C0h

The READ CONFIG command reads the requested number of blocks (n-1). The reading starts with the first

block defined by the block address of the configuration memory.

Access to the configuration blocks depends on the status and definition of the related block within the

configuration memory (see Section 8.2.3 "Configuration memory").

If one of the requested configuration blocks is not accessible due to the actual status, the ICODE 3 responds

with Error_flag set (see Table 119).

Within one command execution, a READ_CONFIG command can read one or multiple blocks of the following

areas of the configuration memory:

• Block 0 to block 127

• Passwords cannot be read and are masked with 0x00 in the response

Block 41: CFG_PWD (Configuration password)

Block 42: READ_PWD (Read password

Block 43: WRITE_PWD (Write password)

Block 44: PRIVACY_PWD (Privacy password)

Block 45: DESTROY_PWD (Destroy password

Block 46: EASAFI_PWD (EAS/AFI password)

Block 47 (TT_OPEN_MSG) can only be read if it is not write-locked with the OTP_TT_OPEN_MSG_LOCK bit

(see Table 32) otherwise it is locked with all bytes 0x00.

Option 0 (Option flag not set) is supported.

Option 1 (Option flag set) is not supported.

SOF Flags

READ_CONFIG

IC Mfg code

UID

Block

Address

Number of

Blocks

CRC16

EOF

8 bits

64 bits

optional

8 bits

16 bits

Table 118. READ CONFIG request format

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 119. READ CONFIG response format when Error_flag set

SOF

Flags

Data

CRC16

EOF

8 bits

32 bits repeated as

needed

16 bits

Table 120. READ_CONFIG 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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