LRI64-A7T/2GE STMicroelectronics, LRI64-A7T/2GE Datasheet - Page 44
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LRI64-A7T/2GE
Manufacturer Part Number
LRI64-A7T/2GE
Description
IC MEMORY TAG 13.56MHZ 8UFDFPN
Manufacturer
STMicroelectronics
Datasheet
1.LRI64-W41GE.pdf
(49 pages)
Specifications of LRI64-A7T/2GE
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO15693, ISO18000-3
Package / Case
8-UFDFPN
For Use With
497-5538 - DEMO KIT LONG-RANGE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Algorithm for pulsed slots
Appendix A
44/49
The following pseudo-code describes how the anticollision could be implemented on the
VCD, using recursive functions.
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(LRI64_UID); stores LRI64_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 ; LRI64 is inventoried
next sub_address
then
endif
then
else ; remember a collision was detected
endif
poll_loop (sub_address_size); recursively to process the
Algorithm for pulsed slots
store (LRI64_UID)
push(mask,address)
; send the request
; not yet processed, the function calls itself
LRI64