User's Manual

APPENDIX B: HF RFID STANDARDS AND TAG DESCRIPTIONS 37
Figure 4 - Memory Structure of the my-d SRF55V10P
125 blocks of 8 bytes = 1000 bytes (8000 bits) of user memory is available for read/write.
Block #
64 bits
(8 bytes per block)
3 (0x03)
4 (0x04)
5 (0x05)
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126 (0x7E)
127 (0x7F)
The user can
permanently lock
any block
Once a block is
locked it can not be
unlocked.
A 64-bit ID (factory programmed) uniquely identifies each my-d SRF55V10P chip.
TID 0x60 0x05 0x00 Unique Tag ID - 40 bits (5 bytes)
LRI512 ISO15693 (ST Microelectronics)
The complete LRI512 specification can be found in ST Microelectronics’ publication titled “LRI512
Memory TAG IC 512 bit High Endurance EEPROM 13.56MHz, ISO 15693 Standard Compliant with
E.A.S.”.
Figure 5 - Memory Structure of the STM LRI512
512 bits (64 bytes) of user memory is available for read/write.
Block #
32 bits
(4 bytes per block)
3 (0x03)
4 (0x04)
5 (0x05)
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14 (0x0E)
15 (0x0F)
The user can permanently lock any
block.
Once a block is locked it can not be
unlocked.
A 64-bit ID (factory programmed) uniquely identifies each STM LRI512 chip.
TID 0xE0 0x02 Unique Tag ID 48 bits (6 bytes)