LRI64-A6S2U STMICROELECTRONICS [STMicroelectronics], LRI64-A6S2U Datasheet - Page 27

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LRI64-A6S2U

Manufacturer Part Number
LRI64-A6S2U
Description
Memory tag IC at 13.56 MHz, with 64-bit unique ID and WORM user area, ISO 15693 and ISO 18000-3 Mode 1 compliant
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
LRI64-A6S2U/2GE
Manufacturer:
ST
0
LRI64
16
Request processing by the LRI64
Upon reception of a valid request, the LRI64 performs the following algorithm, where:
SN = 0
if (Nb_slots_flag)
label1:
if LSB(UID, SN_length + Mask_length) =
wait (Slot_Frame)
if Slot_Frame = SOF
if Slot_Frame = EOF
LSB(SN,SN_length)&LSB(Mask,Mask_length)
then NbS = 1
else NbS = 16
then answer to inventory request
then Stop Anticollision
if SN < NbS-1
endif
NbS is the total number of slots (1 or 16)
SN is the current slot number (0 to 15)
The LSB(value,n) function returns the n least significant bits of value
The MSB(value,n) function returns the n most significant bits of value
“&” is the concatenation operator
Slot_Frame is either a SOF or an EOF
then SN = SN + 1
SN_length = 0
endif
SN_length = 4
endif
endif
decode/process request
exit
endif
goto label1
exit
endif
Request processing by the LRI64
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