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LRI64 bảng dữ liệu(PDF) 32 Page - STMicroelectronics

tên linh kiện LRI64
Giải thích chi tiết về linh kiện  Memory TAG IC at 13.56 MHz, with 64-bit Unique ID and WORM user area, ISO15693 and ISO18000-3 Mode 1 compliant
PDF  52 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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LRI64 bảng dữ liệu(HTML) 32 Page - STMicroelectronics

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Command codes
LRI64
32/52
18
Command codes
The LRI64 supports the command codes listed in Table 9.
18.1
Inventory
When receiving the Inventory request, the LRI64 performs the anti-collision sequence. The
Inventory_flag is set to 1. The meanings of Flags 5 to 8 is as described in Table 5.
The Request Frame (Figure 22) contains:
●
Request Flags (Table 3 and Table 5)
●
Inventory Command Code (01h, Table 9)
●
AFI, if the AFI Flag is set
●
Mask Length
●
Mask Value
●
2-byte CRC (Figure 15)
In case of errors in the Inventory request frame, the LRI64 does not generate any answer.
The Response Frame (Figure 23) contains:
●
Response Flags (Table 6)
●
DSFID
●
Unique ID
●
2-byte CRC (Figure 15)
Figure 22.
Inventory, request frame format
Figure 23.
Inventory, response frame format
Table 9.
Command codes
Command code
Function
01h
Inventory
02h
Stay Quiet
20h
Read Single Block
21h
Write Single Block
2Bh
Get System Info
AI09729
Request
SOF
Request
Flags
Command
Code
Optional
AFI
Mask Value
2-Byte
CRC
Request
EOF
8 bits
8 bits
01h
8 bits
0 to 8 bytes
16 bits
Mask
Length
8 bits
AI09730
Response
SOF
Response
Flags
DSFID
2-Byte
CRC
Response
EOF
8 bits
8 bits
16 bits
UID
64 bits



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