參數(shù)資料
型號(hào)： LRI512-C40
廠商： 意法半導(dǎo)體
元件分類： DRAM
英文描述： EEPROM
中文描述： EEPROM的
文件頁(yè)數(shù)： 28/54頁(yè)
文件大?。?/td> 351K
代理商： LRI512-C40
LRI512
28/54
INVENTORY
Command Code = 0x01
When receiving the Inventory request, the LRI512
performs
the
anti-collision
Inventory_flag shall be set to 1. The Meaning of
Flags 5 to 8 is according to Table 13., Request
Flags 5 to 8 when Bit 3 = 1, on page 20. The Re-
quest (Table 21) contains:
– Flags,
– Inventory Command code
– AFI if the AFI flag is set
– Mask Length
– Mask Value
– CRC
The Response (Table 22) contains:
– Flags
– DSFID (always 00h)
– Unique ID
sequence.
The
Note on Inventory Operation.
In
LRI512 device, it is not possible to use the full
range of Mask Length capability to covert the com-
plete INVENTORY sequence. Values above the
ones mentioned are not allowed:
– 16 slots mode (Request flag b
6
=0): Mask
Length must be in the range 0 to 27.
– 1 slot mode (Request flag b
6
=1): Mask
Length must be in the range 0 to 20.
STMicroelectronics programs the UID in such a
way that it guarantees that the anti-collision se-
quence is able to detect all LRI512 in the reader
field.
the
current
Table 21. Inventory Request Format
Table 22. Inventory Response Format
Request
SOF
Request
Flags
Inventory
Optional AFI
Mask Length
Mask Value
CRC16
Request
EOF
8 bits
0x01
8 bits
8 bits
0 - 64 bits
16 bits
Response
SOF
Response
Flags
DSFID
UID
CRC16
Response
EOF
8 bits
0x00
64 bits
16 bits
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LRI64-A1S 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO 15693 Standard Compliant
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