NTP53X2 datasheet(91/133 Pages) NXP

91 / 133 page

NXP Semiconductors

NTP53x2

NTAG 5 link - NFC Forum-compliant I2C bridge

NTP53x2

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Product data sheet

Rev. 3.3 — 3 July 2020

COMPANY PUBLIC

544533

91 / 133

8.2.3.9.6 RESET EAS

Command code = A3h

The RESET EAS command disables the EAS mode if the EAS mode is not locked.

If the EAS mode is password protected the EAS password has to be first transmitted with

the SET PASSWORD command.

If AES authentication scheme is enabled and EAS mode is protected a valid mutual

authentication with a key with the EAS/AFI privilege set has to executed before.

The timing of the command is write alike.

Option_flag = 0b and Option_flag = 1b is supported and is in accordance with ISO/IEC

15693 write-alike commands.

Table 200. RESET EAS request format

Flags

RESET EAS

Manuf. code

UID

CRC16

8 bits

64 bits optional

16 bits

Table 201. RESET EAS response format when Error_flag is NOT set

Flags

CRC16

8 bits

16 bits

Table 202. RESET EAS response format when Error_flag is set

Flags

Error Code

CRC16

8 bits

16 bits

8.2.3.9.7 LOCK EAS

Command code = A4h

The LOCK EAS command locks the current state of the EAS mode and the EAS ID.

If the EAS mode is password protected the EAS password has to be first transmitted with

the SET PASSWORD command.

If AES authentication scheme is enabled and EAS mode is protected a valid mutual

authentication with a key with the EAS/AFI privilege set has to executed before.

The timing of the command is write alike.

Option_flag = 0b and Option_flag = 1b is supported and is in accordance with ISO/IEC

15693 write-alike commands.

Table 203. LOCK EAS request format

Flags

LOCK EAS

Manuf. code

UID

CRC16

8 bits

64 bits (optional)

16 bits

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