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

Request format
M24LR64-R
.
Table 25. Request flags 5 to 8 when Bit 3 = 0
Bit No
Flag
Level
Description
Bit 5
Bit 6
Bit 7
Bit 8
Select flag⁽¹⁾
Address
flag⁽¹⁾
Option flag
RFU
0
Request is executed by any M24LR64-R according to the setting of
Address_flag
1 Request is executed only by the M24LR64-R in Selected state
0
Request is not addressed. UID field is not present. The request is
executed by all M24LR64-Rs.
Request is addressed. UID field is present. The request is executed
1 only by the M24LR64-R whose UID matches the UID specified in
the request.
0 Option not activated.
1 Option activated.
0
1. If the Select_flag is set to 1, the Address_flag is set to 0 and the UID field is not present in the request.
Bit No
Bit 5
Bit 6
Bit 7
Bit 8
Table 26. Request flags 5 to 8 when Bit 3 = 1
Flag
Level
Description
AFI flag
Nb_slots flag
Option flag
RFU
0 AFI field is not present
1 AFI field is present
0 16 slots
1 1 slot
0
0
64/121
DocID15170 Rev 15