LRIS2K-A1S/1GE STMicroelectronics, LRIS2K-A1S/1GE Datasheet - Page 84
LRIS2K-A1S/1GE
Manufacturer Part Number
LRIS2K-A1S/1GE
Description
IC MEMORY TAG 64BIT UID ADH ANT
Manufacturer
STMicroelectronics
Series
LRIS2Kr
Datasheet
1.LRIS2K-A1S1GE.pdf
(98 pages)
Specifications of LRIS2K-A1S/1GE
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO15693, ISO18000-3, 2048-bits
Package / Case
76mm x 45mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5534-2
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Fast Inventory Initiated
41
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Fast Inventory Initiated
Before receiving the Fast Inventory Initiated command, the LRIS2K must have received an
Initiate or a Fast Initiate command in order to set the Initiate_ flag. If not, the LRIS2K does
not answer to the Fast Inventory Initiated command.
On receiving the Fast Inventory Initiated request, the LRIS2K runs the anticollision
sequence. The Inventory_flag must be set to 1. The meaning of flags 5 to 8 is shown in
Table 19: Request_flags 5 to 8 when Bit 3 =
2.
The request contains the:
●
●
●
●
●
●
The LRIS2K does not generate any answer in case of error.
Table 82.
The response contains:
●
●
Table 83.
During an Inventory process, if the VCD does not receive an RF LRIS2K response, it waits a
time t
request EOF sent by the VCD.
●
●
where:
●
●
t
mode.
Request
NRT
Response SOF
SOF
flags
Inventory command code
AFI option not supported, AFI_flag must be set to 0
mask length
mask value
CRC
the flags
the Unique ID
If the VCD sends a 100% modulated EOF, the minimum value of t
t
If the VCD sends a 10% modulated EOF, the minimum value of t
t
t
t
and t
3
3
3
SOF
NRT
min = 4384/f
min = 4384/f
before sending an EOF to switch to the next slot. t
Request
is the time required by the LRIS2K to transmit an SOF to the VCD
is the nominal response time of the LRIS2K
SOF
8 bits
Flags
Fast Inventory Initiated request format
Fast Inventory Initiated response format
are dependent on the LRIS2K-to-VCD data rate and subcarrier modulation
Response_flags
C
C
Fast Inventory
(323.3µs) + t
(323.3µs) + t
Initiated
8 bits
C1h
Doc ID 13888 Rev 8
SOF
NRT
IC MFG
DSFID
code
00h
02h
1. The data rate of the response is multiplied by
Optional
8 bits
AFI
64 bits
UID
length
Mask
8 bits
3
starts from the rising edge of the
Mask value CRC16
0 - 64 bits
CRC16
16 bits
3
3
is:
is:
16 bits
Response EOF
Request
LRIS2K
EOF
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