SL2S2602 datasheet(32/55 Pages) NXP

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NXP Semiconductors

SL2S2602

ICODE SLIX2

SL2S2602

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Product data sheet

Rev. 4.1 — 25 July 2017

COMPANY PUBLIC

276341

32 / 55

Table 59. LOCK EAS response format when Error_flag NOT set

SOF

Flags

CRC16

EOF

8 bits

16 bits

9.5.3.15 EAS ALARM

Command code = A5h

The EAS ALARM command can be used in the following configurations:

• Option flag is set to 0:

EAS ID mask length and EAS ID value shall not be transmitted.

If the EAS mode is enabled, the EAS response is returned from the ICODE SLIX2 IC.

This configuration is compliant with the EAS command of the ICODE SLI IC.

• Option flag is set to 1:

Within the command the EAS ID mask length has to be transmitted to identify how

many bits of the following EAS ID value are valid (multiple of 8-bits). Only those ICODE

SLIX2 ICs will respond with the EAS sequence which have stored the corresponding

data in the EAS ID configuration (selective EAS) and if the EAS Mode is set.

If the EAS ID mask length is set to 0, the ICODE SLIX2 IC will answer with its EAS ID.

Table 60. EAS ALARM Request format

SOF Flags EAS

ALARM

IC Mfg

code

UID

EAS ID

mask

length

EAS ID value CRC1

EOF

8 bits 8 bits

8 bits

64 bits

optional

8 bits optional 0, 8 or 16 bits

optional

16 bits -

If an error is detected the ICODE SLIX2 IC remains silent.

Option flag is set to logic 0 or Option flag is set to logic 1 and the EAS ID mask length is

not equal to 0:

Table 61. EAS ALARM Response format (Option flag logic 0)

SOF

Flags

EAS sequence CRC16

EOF

8 bits

256 bits

16 bits

EAS sequence (starting with the LSB, which is transmitted first; read from left to right):

11110100 11001101 01000110 00001110 10101011 11100101 00001001 11111110

00010111 10001101 00000001 00011100 01001011 10000001 10010010 01101110

01000001 01011011 01011001 01100001 11110110 11110101 11010001 00001101

10001111 00111001 10001011 01001000 10100101 01001110 11101100 11110111

Option flag is set to logic 1 and the EAS ID mask length is equal to 0:

Table 62. EAS ALARM Response format (Option flag logic 1)

SOF

Flags

EAS ID value

CRC16

EOF

8 bits

16 bits

If the EAS mode is disabled (see RESET EAS command in Section 9.5.3.13 "RESET

EAS"), the ICODE SLIX2 IC remains silent.

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