SL2S5302FUD datasheet(21/35 Pages) NXP

21 / 35 page

SL2S5302_SL2S5402

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Product data sheet

COMPANY PUBLIC

Rev. 3.2 — 27 August 2012

192132

21 of 35

NXP Semiconductors

SL2S5302; SL2S5402

ICODE SLIX-S

with zeros up to the next byte boundary, the corresponding bits of the UID are returned.

The mechanism and timing of the INVENTORY PAGE READ command perform the same

as the INVENTORY command which is described in clause 8 of ISO/IEC 15693-3.

The requested page(s) is (are) transmitted in the following format and repeated as

necessary (depending on number of pages):

Remark: The number of bits of the re-transmitted UID can be calculated as follows:

• 16 slots: 60 bits (bit 64 to bit 5) - mask length rounded up to the next byte boundary

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

Remark: If the sum of first page number and number of pages exceeds the total available

number of user pages, the number of transmitted pages is less than the requested

number of pages, which means that the last returned page is the highest available user

page, followed by the 16-bit CRC and the EOF.

• Example: mask length = 30 bits

• Returned: bit 64 to bit 5 (30 bits) = 30 bits gives 4 bytes

8.4.3.12

FAST INVENTORY PAGE READ

Command code = B1h

When receiving the FAST INVENTORY PAGE READ command the ICODE SLIX-S IC

behaves the same as the INVENTORY PAGE READ command with the following

exceptions:

The data rate in the direction ICODE SLIX-S IC to the interrogator is twice that defined in

ISO/IEC 15693-3, depending on the Datarate_flag 53 kbit (high data rate) or 13 kbit (low

data rate).

The data rate from the interrogator to the ICODE SLIX-S IC and the time between the

rising edge of the EOF from the interrogator to the ICODE SLIX-S IC remain unchanged

(stay the same as defined in ISO/IEC 15693-3).

In the ICODE SLIX-S IC to the interrogator direction, only the single subcarrier mode is

supported.

Table 45.

Page protection status byte

Page Protection Status Byte

Page data

00h:

page is public (not protected with Read password) or the

valid Read password has been transmitted before

16 byte page data content

0Fh:

page is protected with the Read password and the valid

Read password has not been transmitted before

no data

Table 46.

Example: mask length = 30

Byte 0

Byte 1

Byte 2

Byte 3

Byte 4

Byte 5

Byte 6

Byte 7

UID

mask value including padding with

zeros

transmitted by

interrogator

returned value

transmitted by

ICODE SLIX-S IC

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