M24LR64-RDW6T-2 Datasheet, PDF (56/121 Pages) STMicroelectronics – Dynamic NFC/RFID tag IC with 64-Kbit EEPROM with I²C bus and ISO 15693 RF interface

Application family identifier (AFI)
14 Application family identifier (AFI)
M24LR64-R
The AFI (application family identifier) represents the type of application targeted by the VCD
and is used to identify, among all the M24LR64-Rs present, only the M24LR64-Rs that meet
the required application criteria.
Figure 47. M24LR64-R decision tree for AFI
Inventory request
received
No
AFI flag
set ?
Yes
AFI value ^No
=0?
Yes
AFI value No
= Internal
value ?
Yes
Answer given by the M24RF64
to the Inventory request
No answer
AI15130
The AFI is programmed by the M24LR64-R issuer (or purchaser) in the AFI register. Once
programmed and Locked, it can no longer be modified.
The most significant nibble of the AFI is used to code one specific or all application families.
The least significant nibble of the AFI is used to code one specific or all application
subfamilies. Subfamily codes different from 0 are proprietary.
(See ISO 15693-3 documentation)
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