LRI64-A1S STMICROELECTRONICS [STMicroelectronics], LRI64-A1S Datasheet - Page 22

• Manufacturer Part Number: LRI64-A1S
• Description: Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

LRI64
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 ad-
dressed modes.
The Request Frame
–
–
–
–
–
If there is no error, at the LRI64, the Response
Frame
–
Figure 27. Read Single Block, Request Frame Format
Figure 28. Read Single Block, Response Frame Format, when Error_Flag is not Set
Figure 29. Read Single Block, Response Frame Format, when Error_Flag is Set
Figure 30. READ Single Block Frame Exchange between VCD and LRI64
22/38
Request Flags
Read Single Block Command Code (20h,
Table
Unique ID (Optional)
Block Number
2-byte CRC
Response Flags
(Figure
9.)
VICC
VCD
28.) contains:
(Figure
Request
(Table 3.
SOF
SOF
(Figure
(Table
Response
16.)
SOF
Block Request
Read Single
Request
6.)
Flags
8 bits
27.) contains:
and
Response
Response
Table
Flags
8 bits
SOF
Command
Code
8 bits
20h
EOF
4.)
BlockLock
Response
Status
Flags
8 bits
8 bits
01h
t1
SOF
64 bits
8 bits
Code
8 bits
Data
Error
UID
0Fh
–
–
–
Otherwise, if there is an error, the Response
Frame
–
–
–
Table 10. Block Lock Status
Block Response
Bit
to
0
1
7
Read Single
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
16 bits
16 bits
2-Byte
2-Byte
CRC
CRC
Block
Locked
RFU
(Figure
Name
Number
Block
8 bits
Response
Response
EOF
EOF
EOF
29.) contains:
(Figure
(Figure
Value
16 bits
2-Byte
CRC
0
1
0
Table
16.)
16.)
(Table
Current Block not locked
Current Block locked
Table
Request
7.)
EOF
10.)
Description
6.)
AI06832B
AI09732
AI09733
AI09734