參數(shù)資料
型號(hào): LRI64-A7T
廠商: 意法半導(dǎo)體
英文描述: Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO 15693 Standard Compliant
中文描述: 內(nèi)存標(biāo)簽IC,64位唯一ID與WORM的用戶(hù)區(qū)13.56,ISO 15693標(biāo)準(zhǔn)兼容
文件頁(yè)數(shù): 23/38頁(yè)
文件大小: 515K
代理商: LRI64-A7T
23/38
LRI64
Read Single Block
When receiving the Read Single Block Command,
the LRI64 read the requested block and send back
its 8 bits value in the Response.The Option_Flag
is supported. The Read Single Block can be is-
sued in both addressed and non addressed
modes.
The Request Frame (
Figure 26.
) 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 15.
)
If there is no error, at the LRI64, the Response
Frame (
Figure 27.
) contains:
Response Flags (
Table 6.
)
Otherwise, if there is an error, the Response
Frame (
Figure 28.
) contains:
Response Flags (01h,
Table 6.
)
Error Code (0Fh,
Table 7.
)
2-byte CRC (
Figure 15.
)
Block Locking Status, if Option_Flag is set
1 byte of Block Data (
Table 10.
)
2-byte CRC (
Figure 15.
)
Table 10. Block Lock Status
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
Figure 29. 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
8 bits
Command
Code
8 bits
20h
UID
2-Byte
CRC
16 bits
Request
EOF
64 bits
Block
Number
8 bits
AI09733
Response
SOF
Response
Flags
8 bits
BlockLock
Status
8 bits
2-Byte
CRC
16 bits
Response
EOF
Data
8 bits
AI09734
Response
SOF
Response
Flags
8 bits
01h
Error
Code
8 bits
0Fh
2-Byte
CRC
16 bits
Response
EOF
AI06832B
VCD
VICC
t1
SOF
Read Single
Block Request
EOF
SOF
Read Single
Block Response
EOF
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