lri64 STMicroelectronics, lri64 Datasheet - Page 34

• Manufacturer Part Number: lri64
• Description: Memory Tag Ic At 13.56 Mhz, With 64-bit Unique Id And Worm User Area, Iso15693 And Iso18000-3 Mode 1 Compliant
• Manufacturer: STMicroelectronics

Command codes
18.3
34/52
Read Single Block
When receiving the Read Single Block Command, the LRI64 reads the requested block and
sends back its 8-bit value in the Response. The Option_Flag is supported. The Read Single
Block can be issued in both addressed and non addressed modes.
The Request Frame
If there is no error, at the LRI64, the Response Frame
Otherwise, if there is an error, the Response Frame
Table 10.
Figure 26. Read Single Block, request frame format
Figure 27. Read Single Block, response frame format, when Error_Flag is not set
Figure 28. Read Single Block, response frame format, when Error_Flag is set
1 to 7
Bit
0
Request Flags
Read Single Block Command Code (20h,
Unique ID (Optional)
Block Number
2-byte CRC
Response Flags
Block Locking Status, if Option_Flag is set
1 byte of Block Data
2-byte CRC
Response Flags (01h,
Error Code (0Fh,
2-byte CRC
Request
SOF
Block Locked
RFU
Block lock status
Response
SOF
Request
Name
(Figure
(Figure
(Figure
Flags
8 bits
(Table 3
(Figure
(Table
Response
Response
Table
Flags
8 bits
SOF
Command
15)
15)
15)
(Table
Code
8 bits
20h
Table
7)
26) contains:
6)
and
Response
BlockLock
10)
Status
Flags
8 bits
8 bits
Table
01h
6)
Value
0
1
0
4)
64 bits
UID
Code
8 bits
8 bits
Error
Data
0Fh
Table
Current Block not locked
Current Block locked
16 bits
2-Byte
2-Byte
16 bits
CRC
CRC
(Figure
9)
Number
(Figure
Block
8 bits
Response
Response
EOF
EOF
28) contains:
27) contains:
2-Byte
16 bits
Description
CRC
Request
EOF
AI09732
AI09734
AI09733
LRI64