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LRI64-A1S/XXX 数据表(PDF) 22 Page - STMicroelectronics

部件名 LRI64-A1S/XXX
功能描述  Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant
PDF  38 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LRI64-A1S/XXX 数据表(HTML) 22 Page - STMicroelectronics

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



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