SL3ICS3001FW datasheet(29/54 Pages) NXP

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SL3ICS3001_072831

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Product data sheet

COMPANY PUBLIC

Rev. 3.1 — 9 July 2012

072831

29 of 54

NXP Semiconductors

SL3ICS3001

UCODE HSL

11.2.2 GROUP_SELECT_EQ

When receiving a GROUP_SELECT_EQ command, a tag which is in the READY state

reads the 8-byte memory content beginning at the specified ADDRESS and compares it

with the WORD_DATA sent by the interrogator. In case the memory content is equal to

WORD_DATA the tag sets its internal counter COUNT to logic 0, reads its UID, sends

back the UID and goes into the state ID.

When receiving a GROUP_SELECT_EQ command, a tag which is in the ID state sets its

internal counter COUNT to logic 0, reads its UID, sends back the UID and stays in the ID

state.

In all other cases the tag will not send any reply.

[1]

If the byte mask is zero, GROUP_SELECT_EQ selects all tags.

11.2.3 GROUP_SELECT_NE

When receiving a GROUP_SELECT_NE command, a tag which is in the READY state

reads the 8-byte memory content beginning at the specified ADDRESS and compares it

with the WORD_DATA sent by the interrogator. In case the memory content is not equal to

WORD_DATA the tag sets its internal counter COUNT to logic 0, reads its UID, sends

back the UID and goes into the state ID.

When receiving a GROUP_SELECT_NE command, a tag which is in the ID state sets its

internal counter COUNT to logic 0, reads its UID, sends back the UID and stays in the ID

state.

In all other cases the tag will not send any reply.

Command sequence

Preamble Start Delimiter Command ADDRESS BYTE_MASK WORD_DATA

CRC

Response sequence in case the tag is in the ID state or meeting selection criteria

Return Preamble ID

CRC

Command sequence

Preamble Start Delimiter Command ADDRESS BYTE_MASK WORD_DATA CRC

Response sequence in case the tag is in the ID state or meeting selection criteria

Return Preamble ID

CRC

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