AS39513 datasheet(77/108 Pages) AMSCO

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ams Datasheet

Page 77

[v1-10] 2018-Apr-25

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AS39513 − Detailed Description

Write AFI Command

Write AFI Command Request:

Write AFI Command Reply:

The write AFI command writes the one byte application family

identifier (AFI) to the EEPROM’s System area. In order to be

written, the access state must allow access to the System

memory, and the AFI must not have been locked.

The OPTION flag controls the response timing according to the

ISO 15693 standard, section 10.4.84.

Lock AFI Command

Lock AFI Command Request:

Lock AFI Command Reply:

The lock AFI command sets the bit in System EEPROM, AFI_LK,

to mark as “read-only” the one-byte AFI value. No access

passwords need to be set prior to using this command.

The OPTION flag controls the response timing according to the

ISO 15693 standard, section 10.4.94.

SOF

Flags

Command

UID

AFI

CRC

EOF

NFLAGS

0x27

64 bits

8 bits

16 bits

SOF

Flags

CRC

EOF

RFLAGS

16 bits

4. For more information, please refer to the respective section of ISO/IEC 15693-3 specification (second edition, 2009-04-15).

SOF

Flags

Command

UID

CRC

EOF

NFLAGS

0x28

64 bits

16 bits

SOF

Flags

CRC

EOF

RFLAGS

16 bits

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