LRI64-A6S2U STMICROELECTRONICS [STMicroelectronics], LRI64-A6S2U Datasheet - Page 32

• Manufacturer Part Number: LRI64-A6S2U
• Description: Memory tag IC at 13.56 MHz, with 64-bit unique ID and WORM user area, ISO 15693 and ISO 18000-3 Mode 1 compliant
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Command codes
18
18.1
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Command codes
The LRI64 supports the command codes listed in
Table 9.
Inventory
When receiving the Inventory request, the LRI64 performs the anticollision sequence. The
Inventory_flag is set to 1. The meanings of flags 5 to 8 is as described in
The Request frame
●
●
●
●
●
●
In case of errors in the Inventory request frame, the LRI64 does not generate any answer.
The response frame
●
●
●
●
Figure 22. Inventory, request frame format
Figure 23. Inventory, response frame format
Request flags
Inventory command code (01h,
AFI, if the AFI flag is set
Mask length
Mask value
2-byte CRC
Response flags
DSFID
Unique ID
2-byte CRC
Response
Request
SOF
SOF
Command code
Command codes
Response
2Bh
(Figure
(Figure
01h
02h
20h
21h
Request
Flags
8 bits
Flags
8 bits
(Table 3
(Figure
(Figure
(Table
15)
15)
Command
DSFID
8 bits
Code
8 bits
22) contains:
6)
01h
and
23) contains:
Table
Optional
8 bits
Table
AFI
5)
9)
Length
Mask
8 bits
64 bits
UID
Table
Mask Value
0 to 8 bytes
9.
Read Single Block
Write Single Block
Get System Info
Stay Quiet
Function
Inventory
16 bits
2-Byte
16 bits
2-Byte
CRC
CRC
Response
Request
Table
EOF
EOF
5.
AI09730
AI09729
LRI64