LRI2K-SBN18/3GE STMicroelectronics, LRI2K-SBN18/3GE Datasheet - Page 81
LRI2K-SBN18/3GE
Manufacturer Part Number
LRI2K-SBN18/3GE
Description
IC EEPROM 2048BIT 97PF SAWN WAFR
Manufacturer
STMicroelectronics
Datasheet
1.LRI2K-A1S1GE.pdf
(86 pages)
Specifications of LRI2K-SBN18/3GE
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO15693, ISO18000-3
Package / Case
Wafer
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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LRI2K
Appendix A
A.1
The following pseudocode describes how anticollision could be implemented on the VCD,
using recursivity.
Algorithm for pulsed slots
function push (mask, address); pushes on private stack
function pop (mask, address); pops from private stack
function pulse_next_pause; generates a power pulse
function store(LRI2K_UID); stores LRI2K_UID
function poll_loop (sub_address_size as integer)
last stored collision
end poll_loop
main_cycle:
end_main_cycle
pop (mask, address)
mask = address & mask; generates new mask
mode = anticollision
send_request (Request_cmd, mode, mask length, mask value)
for sub_address = 0 to (2^sub_address_size - 1)
if stack_not_empty ; if some collisions have been detected and
mask = null
address = null
push (mask, address)
poll_loop(sub_address_size)
pulse_next_pause
if no_collision_is_detected ; LRI2K is inventoried
next sub_address
then
endif
then
else ; remember a collision was detected
endif
poll_loop (sub_address_size); recursively to process the
Anticollision algorithm (Informative)
store (LRI2K_UID)
push(mask,address)
; send the request
; not yet processed, the function calls itself
Anticollision algorithm (Informative)
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