SL2S3003 datasheet(51/82 Pages) NXP

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NXP Semiconductors

SL2S3003/SL2S3003TT

ICODE 3 (TagTamper)

Bit number Bit name

Value Feature

PERSISTENT

QUIET

refer to Table 87

8 (MSB)

RFU

Table 86. Extended options...continued

QUIET bit [6]

PERSISTENT

QUIET bit [7]

Feature

remain in current state

go to Quiet State after response (refer to Section 8.5.1.2 "STAY QUIET")

go to Persistent Quiet State after Response (refer to Section 8.5.3.19 "STAY QUIET

PERSISTENT")

only tags in the PERSISTENT QUIET state will respond to the command

Table 87. QUIET and PERSISTANT QUIET bit in Extended options

If the option flag in the request is set to 1, the response contains the truncated or the complete UID depending

on the extended option flag 2.

If the option flag in the request is set to 0, the UID is not part of the response.

SOF

Flags

Optional

CID

Optional truncated UID OR complete

UID

Optional data

CRC16

EOF

8 bits

16 bits 0 to 64 bit

Block length

16 bits

Multiple of 8 bits

Repeated as needed

Table 88. Inventory Read (extended mode) response format: Option flag logic 1

The mechanism and timing of the INVENTORY READ command are similar to the INVENTORY command

described in clause 8 of ISO/IEC 15693-3.

If the UID is requested in the truncated format, the re-transmitted UID can be calculated as follows:

16 slots: 64 - 4 - mask length rounded up to the next byte boundary

1 slot: 64 - mask length rounded up to the next byte boundary

Example: mask length = 30

Returned: 64 - 4 - 30 = 30 gives 4 bytes

Byte 0

Byte 1

Byte 2

Byte 3

Byte 4

Byte 5

Byte 6

Byte 7

UID

transmitted by Interrogator

mask value incl. padding with zeros

returned value

transmitted by

ICODE 3 IC

Table 89. Example

SL2S3003/SL2S3003TT

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Product data sheet

Rev. 3.0 — 28 March 2024

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