LRI64 datasheet(33/38 Pages) STMICROELECTRONICS

部件名	LRI64

功能描述	Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant

PDF	38 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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LRI64

APPENDIX A. ALGORITHM FOR PULSED SLOTS

The following pseudo-code describes how the

anti-collision 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)

pop (mask, address)

mask = address & mask; generates new mask

; send the Request

mode = anti-collision

send_Request (Request_cmd, mode, mask length, mask value)

for sub_address = 0 to (2^sub_address_size - 1)

pulse_next_pause

if no_collision_is_detected ; LRI64 is inventoried

then

store (LRI64_UID)

else; remember a collision was detected

push(mask,address)

endif

next sub_address

if stack_not_empty ; if some collisions have been detected and

then ; not yet processed, the function calls itself

poll_loop (sub_address_size); recursively to process the last stored collision

endif

end poll_loop

main_cycle:

mask = null

address = null

push (mask, address)

poll_loop(sub_address_size)

end_main_cycle

LRI64 数据表(PDF) 33 Page - STMicroelectronics

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