SL3ICS3001 datasheet(45/54 Pages) NXP

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SL3ICS3001_072831

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Product data sheet

COMPANY PUBLIC

Rev. 3.1 — 9 July 2012

072831

45 of 54

NXP Semiconductors

SL3ICS3001

UCODE HSL

11.4.13 Exception handling for fast return link mode

If "11 01 11 00 10 1" is used as Start Delimiter in the forward link to use the high return link

datarate (4 times the forward link datarate) the following deviations have to be considered:

Within the responses of the tag (Acknowledge, Acknowledge_NOK, Acknowledge_OK,

Error_NOK, Error, Error_OK) to the following commands: WRITE, WRITE4BYTE, LOCK,

QUERY_LOCK the data byte returned by the tag does not contain the information used for

CRC calculation. Therefore it shall be ignored and only the CRC should be evaluated. The

exact meaning of the returned information is described in Table 28.

If the READ_PORT command is used together with start deliminator “11 01 11 00 10 1”

the data has to be evaluated as described in Table 29.

Remark: X in the tag state column indicates a don’t care value. XX hex in the transmitted

value column indicates that this data do not carry any useful respond information.

This table only described the support of the flags WRITE_OK flag, DE_SB flag. All other

flags are not used by this device and are set to 0.

Table 28.

Tag responses in the 4x return link mode

Response name

Response size/byte

Transmitted Value

Data

CRC

Data

CRC

ACKNOWLEDGE

XX hex

1E0F hex

ACKNOWLEDGE_NOK

XX hex

1E0F hex

ACKNOWLEDGE_OK

XX hex

0E2E hex

ERROR_NOK

XX hex

00FF hex

ERROR

XX hex

00FF hex

ERROR_OK

XX hex

10DE hex

Table 29.

Tag responses in the 4x return link mode for the READ_PORT command

Response name

Response size / byte

Transmitted Value

Data

CRC

Data

CRC

Port 0

cleared

XX hex

1E0F hex

cleared

set

XX hex

0E2E hex

set

cleared

XX hex

3E4D hex

set

XX hex

2E6C hex

Port 1 - 255

seX

XX hex

1E0F hex

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