MICROCHIP AN3523 UWB Transceiver Security Considerations Application Note Guide User

O faiga e fua ai le mamao e fa'aaoga ai fa'ailoga leitio ta'amilo-malaga-o-le-lele ua sili atu ona ta'uta'ua i ta'avale i aso nei ua fa'apipi'iina i le Passive Entry/Passive Start (PEPS).
O le taimi lava e fua ai le tau o le mamao, e mafai ona faʻamaonia le vavalalata o le ki fob i le taavale.
O lena faʻamatalaga e mafai ona faʻaaoga e poloka ai se Relay Attack (RA).
Ae ui i lea, a aunoa ma le faʻatinoina ma le faʻaeteete, o ia auala vavalalata-faʻamaonia e le lava e puipuia ai mai se osofaʻiga a le fili.
O lenei pepa o loʻo faʻamatalaina ai manatu taua mo le saogalemu ma auala e faʻafeiloaʻi ai i le Microchip ATA5350 Ultra-Wide-Band (UWB) Transceiver IC.

Fa'amatalaga vave

Fa'amaumauga Fa'asinomaga

ATA5350 Pepa Fa'amatalaga
ATA5350 Tusi Taiala
Mridula Singh, Patrick Leu ma Srdjan Capkun, “UWB with Pulse Reordering: Securing Ranging Against Relay and Physical Layer Attacks,” i le Network and Distributed System Security Symposium (NDSS), 2020

Aanjhan Ranganathan ma Srdjan Capkun, “O Tatou Vaavaai Moni? Fa'amaonia le Latalata i faiga uaealesi, "i le IEEE Security & Privacy Magazine, 2016

Acronyms/Faapuupuuga
Laulau 1-1. Acronyms/Faapuupuuga

Acronyms/Faapuupuuga	Fa'amatalaga
BCM	Tino Faʻatonutonu Pule
MAFAI	Feso'ota'iga a le Eria Pule
ED/LC	Su'esu'e vave/Tau'u Tautua
IC	Vaega Fa'atasi
ID	Fa'ailoaga
IV	Taua Muamua
LIN	Fesootaiga Fa'alotoifale
PEPS	Ulutala Passive/Amata Passive
PR	Fa'ata'ita'i
RA	Fa'aoso osofa'iga
RNR	Fa'amatalaga Fa'afuase'i Nonce
SSID	Faailoaina Saogalemu Saogalemu
UHF	Ultra-Mauga Tele
UWB	Ultra-Wideband
VR	Fa'amaonia

Uiga Mamao

E lua masini ATA5350 (mo se'iample, key fob ma le taavale) e mafai ona faʻatulagaina e faʻatatau le mamao e ala i le fuaina o le taimi o le lele o le faailo UWB i le va oi latou.

E lua ituaiga o masini e aofia i le faagasologa:

Meafaigaluega muamua: e ta'ua foi o Verifier (fob) amata le fua

Meafaigaluega lona lua: ua ta'ua foi o le Prover (taavale) tali i le telegram faamatalaga O le tau fuaina, taamilo-malaga taimi-o-vaalele, i le va o masini e faaaoga e fuafua ai le mamao e faaaoga ai le fua faigofie lenei:
mamao=(taimi malaga taamilo o le saoasaoa o le vaalele o le malamalama)

Sauniga masani o le Feso'ota'i Mamao (VR/PR)
O le ata o loʻo i lalo o loʻo faʻaalia ai se talosaga mo le faia o fua faʻatatau mamao ma le ATA5350 UWB transceiver e faʻaaoga ai le masani masani.
Ata 2-1. Faiga Fua Fa'amauina Mamao

Ole feso'ota'iga ma fa'amatalaga fa'amatalaga i le va o le Verifier node ma le Prover node ua vaevaeina i ni vaega ma faia i le fa'atonuga lea:

E auina atu e le Verifier lana talosaga mo le fuaina o le mamao
Ua maua e Prover talosaga Verifier
O lo'o fa'atali le Fa'atonu mo le taimi fa'atulagaina (16uS)
E auina atu e le Prover lana tali o le fuaina o le mamao
E maua e Verifier le tali a Prover

O le masani masani VR / PR fa'atulagaina sauniga e maua i le fa'aogaina o le pulusua telegram ma le fausaga o lo'o fa'aalia i le ata o lo'o i lalo.

Ata 2-2. Auala masani VR/PR Pulse Telegrams
Fa'amaonia

Taimi Liliu

Fa'ata'ita'i

I le masani masani, o tau talafeagai mo RNRv ma RNRp o loʻo faʻapipiʻiina i pulupulu e faʻaaoga ai le 1 bit i le 16-pulse faʻasalalau mamanu, lea o loʻo faʻamatalaina i lalo:

Logical Bit 0 = fa'asologa o pulus 1101001100101100
Logical Bit 1 = fa'asologa o pulus 0010110011010011

Mo le Verifier, o le 4-byte SSID ma le 4-byte RNRv o loʻo faʻapipiʻiina i se mamanu 1024-pulse ma tuʻufaʻatasia ma le Preamble and Sync pulses e fausia ai se telefoni 1375-pulse.
O le Prover pulse telegram ua faia foi i se auala talitutusa.
Pulse telegrams o loʻo faʻaogaina lenei mamanu faʻamautu e faigofie ona osofaʻia faʻaletino ma e le tatau ona faʻaaogaina e fai ma faʻataʻitaʻiga i le PEPS Relay Attack.
Ina ia aloese mai lenei faʻaaliga, e tatau ona faʻatinoina ni faʻaopoopoga puipuiga.
O loʻo faʻamatalaina i le vaega o loʻo mulimuli mai.

Saogalemu Faiga Fa'asa'o Feso'ota'iga (VRs/PRs)
O se talosaga faʻaleleia mo le faia o fua faʻatatau mamao ma le ATA5350 UWB transceiver faʻaaogaina le Secure mode o loʻo faʻaalia i le Ata 2-3.

O lenei faʻaleleia o faiga e aofia ai le faʻaopoopoga o:

Pepa fa'amatalaga fa'afuase'i mo le fa'amaoni fe'au (RNRv ma RNRp)
Toe fa'atonu/su'e fa'asolo (IV, KEY)

A'o le'i amataina le fuaina o le mamao, o le SSID, RNRv, RNRp, IV ma KEY e tatau ona fa'afeiloa'i mai le Body Control Module (BCM) i le Verifier i luga o se feso'ota'iga fa'ailoga (mo ex.ample PEPS UHF alaala) i le Fa'ata'ita'i (s) i luga o se auala saogalemu CAN po'o LIN feso'ota'iga.
I le mae'a ai o le fuaina o le mamao, e tu'uina atu e le Verifier fa'amatalaga mamao fa'atatau i le BCM i luga o se feso'ota'iga UHF fa'ailoga (mo leample, auala PEPS)
Ata 2-3. Saogalemu Faiga Fuaga Fa'amauina Mamao

Saogalemu Session Identifier (SSID)
O faʻamatalaga SSID na tuʻuina mai e le BCM ua teuteuina i le UWB pulse telegram. Afai e mafai le siakiina o le SSID, e na'o telefoni feavea'i o lo'o iai fa'atauga SSID e talia.
E fa'amuta loa le sauniga pe a le fetaui le SSID.
Va'ai le tusi fa'aoga mo le bit Configuration e fetaui i le resitara A19.

Pepa Fa'amatalaga Fa'afuase'i mo Fa'amaonia ma Fa'ata'ita'i (RNRv ma RNRp)
O tau o le RNRv ma le RNRp o loʻo tuʻuina atu e le BCM e faʻaaogaina mo le siakiina o le faʻamaoni o le telefoni feaveaʻi UWB.
E lipotia e le Prover lona tau maua mai le Verifier, RNRv', i le BCM i luga o le CAN poʻo le LIN fesoʻotaʻiga saogalemu i le faaiuga o le taimi o le fuaina o le mamao.
Afai e fa'amauina e le BCM o le RNRv ≠ RNRv', o le fua o le mamao e manatu e le aoga.
I se auala talitutusa, e lipotia e le Verifier lona tau maua mai le Prover, RNRp', i le BCM i luga o se fesoʻotaʻiga UHF faʻailoga (mo leample, PEPS channel) i le fa'ai'uga o le sauniga o le fuaina o le mamao.
Afai e fa'amauina e le BCM le RNRp ≠ RNRp', o le fua o le mamao e manatu e le aoga.

Fa'asa'o o le fatu (IV, KEY)
Ua fa'atinoina le fa'amama fa'atosina e maua ai se auala e fa'amautu ai le fuaina o le mamao e fa'asaga i osofa'iga fa'apu'upu'u fa'apapa fa'aletino uma[3].
Ina ia faʻafefeteina le UWB pulse telegram, o le Secure Mode toe faʻatonu ma faʻavasegaina fanua faʻamaumauga RNRv ma RNRp o le telegram pulse.
E maua le toe fa'atonuina o le pulupulu e ala i le suiina o le fa'asologa o le fa'asalalauina o le pulupulu mautu o lo'o fa'aaogaina i le Normal Mode ma se fa'ata'ita'i fa'anofoaga mai le Laulau-Su'i Fa'asinomaga o lo'o uta i luma o le taimi o le fuaina o le mamao.
O le fa'avasegaina o pulus e fa'ataunu'uina e ala i le fa'aogaina o se ta'aloga fa'apitoa OR i le va o pulusi toe fa'atonu ma se numera fa'afuase'i mai le Trivium block cipher.
O fa'agaioiga nei o lo'o fa'aalia fa'akalafi i le ata o lo'o mulimuli mai.
E taua le taʻua o le Puls Re-ordering and Randomization naʻo le faʻaogaina o le fanua faʻamatalaga RNR.
O le Fa'atomuaga, Sync ma le SSID e le fa'afefeteina.
Ata 2-4. Fa'asologa o le Toe Fa'atonu

Ituaiga o osofa'iga Fa'asao mamao

A aunoa ma ni iloiloga talafeagai o le mamanu, Proximity Verification po'o le Distance Bounding system e mafai ona a'afia i osofa'iga e suia mamao.
O nei osofaʻiga e mafai ona faʻaogaina vaivaiga i le faʻamaumauga faʻamaumauga ma / poʻo le faʻaogaina o le tino e faʻaogaina ai le mamao fua.
E mafai ona puipuia osofaʻiga faʻapipiʻi faʻamaumauga e ala i le aofia ai o faʻamalamalamaga malosi ma o lenei metotia ua uma ona faʻatinoina i luga o faiga PEPS i taavale i aso nei.
O osofaʻiga faʻaletino e taua tele ona o loʻo i ai se avanoa e faʻataunuʻu ai le osofaʻiga e tutoatasi mai le faʻailoga faʻapipiʻi faʻamaumauga ma faʻapea foi osofaʻiga e faʻaogaina ai faʻamatalaga na maua e ala i le faʻalogo ma e ala i le taʻalo (fatuina pe suia) poʻo le toe taʻalo o le leitio e faʻaogaina ai le mamao. [4].
O le anotusi mo lenei pepa o loʻo faʻatinoina le Proximity Verification o le key fob i totonu o le PEPS system, o lea o lenei pepa e taulaʻi atu i na faʻamataʻu e mafai ona mafua ai ona lipotia e le faiga se mamao e itiiti ifo nai lo le mea moni.

O auala sili ona taatele o le faʻapipiʻiina o se faʻapipiʻi faʻaletino, osofaʻiga faʻaitiitia mamao o:

Cicada Attack - Faʻaaogaina le faʻailoga faʻamaonia o le tomua ma le uta faʻamaumauga
Fa'atomuaga tui - Fa'aaoga le fa'atonuga o le fa'atonuga

Su'esu'e Fa'ato'a/Ta'ita'i Fa'ata'ita'iga - Fa'aaogā fa'ailoga umi umi

Cicada Attack
Afai e faʻaogaina e le faiga o le taimi-o-vaalele faʻamatalaga faʻamatalaga mo le faʻasologa, o loʻo i ai se avanoa mo le tagata osofaʻi e faʻatupuina se faʻailoga faʻamaonia leaga e oʻo lava i le taimi na maua ai e le Prover moni lana faʻailoga saʻo.
O le Cicada Attack e alu i lumatagu o faiga o loʻo i ai lenei vaivaiga faʻaletino e ala i le faʻaauauina o le faʻasalalauina o se faʻailoga leaga (Prover) faʻailoga ma se malosi sili atu pe a faʻatusatusa i le Faʻataʻitaʻi moni[4].
O le mea lea e mafua ai ona vave maua e le Verifier moni le faailoilo fa'ailoa leaga a le gaoi nai lo le fa'ailo fa'ailoa moni.
Ole mea lea e fa'a'ole'ole ai le faiga ile fa'atatauina o se mamao e le sa'o ma fa'apu'upu'u (silasila i le ata lea).
E tatau ona aloese mai le masani masani aua e faʻafefe ai le tagata faʻaoga i le osofaʻiga a Cicada.
Nai lo lena, e tatau ona filifilia le Secure mode.
E suia ai faʻamatalaga faʻamatalaga muamua faʻatasi ma faʻamaumauga faʻapitoa faʻapitoa ma poloka ai lenei ituaiga osofaʻiga.
Ata 3-1. Cicada Attack

Fa'atomuaga tui
I lenei ituaiga osofaiga, e taumafai le gaoi e fai mea nei:

Fa'aaoga lona malamalama i le fa'atulagaga o le tomua (lea e iloa e tagata lautele)

Fa'ailoga tau mo le utaina o fa'amaumauga malupuipuia (silasila ile Vaega 2.2.3 Fa'asologa Fa'atosina (IV, KEY))
Faʻagasolo le faʻasalalauga atoa (Preamble + Data Payload) i se aofaʻiga, TA, vave nai lo le tali mai a le Faʻamatalaga moni.

Va'ai le ata o lo'o i lalo mo fa'amatalaga.
Ata 3-2. Upu Tomua tui

I le mamanu, o le masini ATA5350 e faʻaogaina uiga RF o le tomua e fatu ai se s saʻo.ampling profile mo le su'esu'eina o fatuga mulimuli ane.
Afai o le faatomuaga lea e tui TA vave nai lo le tali moni e tau atu i le sese sample taimi, o le a le mauaina saʻo le toega o le faʻamaumauga faʻamautu, ma o le a poloka le osofaʻiga.

Su'esu'e vave/Tau'i le faia o osofaiga
O le isi vaega fa'aletino e mafai ona fa'aogaina e fa'aogaina ai le fuaina o le mamao o le auala lea e fa'aogaina ai fa'amaumauga.
Ona o le natura o le leitio UWB, o faʻamatalaga faʻamaumauga talafeagai e faʻaogaina e faʻaaoga ai se faasologa o pulupulu lea na talanoaina muamua i le Vaega 2.1 Normal Mode Distance Bounding Session (VR/PR).
O nei fa'asologa o pulus e fai ma fa'ailoga ma fa'aogaina e UWB leitio e fa'aleleia atili ai le ma'ale'ale ma le malosi.
O le mea moni, e mafai e leitio UWB ona faʻamaonia saʻo le faʻailoga tuʻuina atu, e tusa lava pe o loʻo misi nisi o faʻailoga taʻitasi.
O le mea la lea, o faiga leitio UWB e a'afia i osofa'iga a le Early Detect/Late Commit (ED/LC).
O le mataupu faavae o loʻo i tua o le osofaʻiga a le ED / LC o le faʻalauteleina lea o le faʻamatalaga faʻamatalaga e ala i le vavalo o le mamanu faʻailoga pe a uma ona mauaina le vaega muamua.
O le osofaʻiga e faʻamaeʻaina e ala i le tuʻuina atu o se pusa faʻamatalaga faʻamaonia leaga vave nai lo le Faʻataʻitaʻi moni (silasila i le ata o loʻo i lalo).
Ata 3-3. Su'esu'e vave/Tau'i le faia o osofaiga

O le Secure mode e poloka lelei uma osofaʻiga a le ED / LC ma e fautuaina e aloese mai lenei ituaiga o osofaʻiga mamao-faʻaitiitia.
E maua lenei mea e ala i le suia o mamanu faʻamautu (Normal mode) faʻatasi ai ma le toe faʻatonuina o faʻasologa o pulupulu (Secure mode) e le o iloa e le tagata osofaʻi.
O faʻamatalaga e manaʻomia e toe faʻatonuina ai le faʻasologa o pulupulu e iloa uma e le Verifier ma le Prover aʻo leʻi amataina vasega taʻitasi taʻitasi, ae le o le tagata osofaia.
O le fa'asologa atoa o le toe fa'atulagaina o pulupulu o lo'o fa'amatalaina i le Vaega 2.2.3 Pulse Scrambling (IV, KEY) ma fa'aalia fa'ata i le Ata 2-4.

Taua ole Protocol

Ina ia mautinoa le moni aʻiaʻi o feʻau Verifier ma Prover, e manaʻomia se faʻasalalauga Luʻi-Tali.
O se tasi o faʻafitauli muamua o le IEEE® 802.15.4a/f faʻataʻitaʻiga e le o iai ni aiaiga mo se faʻamaoniga faʻamaonia, ma a aunoa ma lenei gafatia, o le taimi-o-vaalele fua faiga e lamatia mai osofaʻiga faʻalesoifua maloloina ma faigofie. osofa'iga toe fai fe'au[4].
O le ATA5350 o loʻo i ai lenei gafatia, lea o loʻo faʻamatalaina i le Vaega 2.2.2 Faʻamatalaga Faʻamatalaga Faʻafuaseʻi mo Verifier ma Prover (RNRv ma RNRp) ma faʻaalia i le Ata 2-3.

Fa'ai'uga

O le ATA5350 Impulse Radio UWB Radio na mamanuina ma le saogalemu i le mafaufau.
E ala i le filifilia o le Secure mode, lea e lagolagoina ai le toe faʻatonuina o le pulupulu ma le faʻamaonia o le feʻau (lagolagoina o le Challenge-Response protocol), e mafai e le tagata faʻaoga ona mautinoa o le fua o le mamao e maua mai e toetoe lava a puipuia mai osofaʻiga leaga.

Talafaasolopito Toe Iloiloga o Pepa

Toe Iloiloga	Aso	Vaega	Fa'amatalaga
A	06/2020	Pepa	Toe Iloiloga Muamua

Le Microchip Webnofoaga

Microchip e maua le lagolago i luga ole laiga e ala i la matou webnofoaga i: www.microchip.com/.
Lenei web'upega tafa'ilagi e fa'aoga e fai ai files ma fa'amatalaga faigofie ona maua e tagata fa'atau.

O nisi o mea e maua e aofia ai:

Lagolago oloa: Pepa o faamatalaga ma mea sese, tusi talosaga ma samppolokalame, punaoa mamanu, ta'iala a le tagata fa'aoga ma pepa lagolago mo meafaigaluega, fa'asalalauga fou fa'akomepiuta ma polokalama fa'amaumauga
Lagolago Fa'ainisinia lautele: Fesili e Fai soo (FAQs), talosaga lagolago faʻapitoa, vaega faʻatalanoa i luga ole laiga, Microchip design partner programme list
Pisinisi o Microchip: Filifilia oloa ma taʻiala faʻatonu, faʻasalalauga lata mai a le Microchip, lisi o semina ma mea na tutupu, lisi o ofisa faʻatau Microchip, tufatufaina ma sui fale gaosi oloa

Au'aunaga Fa'asilasilaga Suiga o Mea

O le auaunaga fa'asilasilaga suiga o oloa a Microchip e fesoasoani e fa'amautu ai tagata fa'atau i oloa Microchip.
O le a maua e le au fai saofaga le faʻamatalaga imeli i soʻo se taimi e iai suiga, faʻafouga, toe teuteuga poʻo mea sese e fesoʻotaʻi ma se aiga o oloa faʻapitoa poʻo meafaigaluega atinaʻe e fiafia i ai.
Ina ia lesitala, alu i www.microchip.com/pcn ma mulimuli i faatonuga o le resitalaina.

Lagolago Tagata Fa'atau

O tagata fa'aoga o oloa Microchip e mafai ona maua fesoasoani e ala i le tele o auala:

Fa'asoa po'o le Sui
Ofisa Fa'atauga Fa'alotoifale
Embedded Solutions Engineer (ESE)
Lagolago Fa'atekinisi

E tatau i tagata fa'atau ona fa'afeso'ota'i le latou tufatufaina, sui po'o le ESE mo le lagolago.
O loʻo avanoa foʻi ofisa faʻatau i le lotoifale e fesoasoani i tagata faʻatau.
O se lisi o ofisa fa'atau ma nofoaga o lo'o aofia i totonu o lenei pepa.
E maua le lagolago fa'apitoa e ala ile webnofoaga i: www.microchip.com/support

Faiga Fa'asinomaga Oloa

Ina ia oka pe maua mai faʻamatalaga, faʻataʻitaʻiga, i luga o tau poʻo le tuʻuina atu, faʻafesoʻotaʻi le falegaosimea poʻo le ofisa faʻatau lisi.

Fa'ailoga Puipuiga o Fa'ailoga Fa'atonu a Microchip

Manatua faʻamatalaga o loʻo i lalo o le faʻaogaina o le puipuiga o tulafono i masini Microchip:

O oloa Microchip e fetaui ma faʻamatalaga o loʻo i totonu o la latou Pepa Faʻamatalaga Microchip.
E talitonu Microchip o lona aiga o oloa o se tasi lea o aiga sili ona malupuipuia o lona ituaiga i luga o le maketi i aso nei, pe a faʻaaogaina i le faʻamoemoe ma i lalo o tulaga masani.
O lo'o i ai auala le fa'amaoni ma e ono fa'atulafonoina e fa'aaoga e soli ai le vaega o le puipuiga o tulafono.
O nei metotia uma, i lo matou iloa, e manaʻomia le faʻaaogaina o oloa Microchip i se auala i fafo atu o faʻamatalaga faʻaogaina o loʻo i totonu o Pepa Faʻamaumauga a Microchip.
E foliga mai, o le tagata o lo'o faia lea mea o lo'o gaoia meatotino tau le atamai.
Microchip e naunau e galulue ma le tagata faʻatau o loʻo popole i le faʻamaoni o latou tulafono.
E le mafai e le Microchip poʻo se isi mea gaosi semiconductor ona faʻamaonia le saogalemu o latou tulafono.
O le puipuiga o tulafono laiti e le o lona uiga tatou te faʻamaonia le oloa e "le mafai ona motusia."

O le puipuiga o tulafono laiti o lo'o fa'asolosolo pea.
O matou i le Microchip o lo'o naunau e fa'aauau le fa'aleleia atili o le puipuiga o tulafono fa'apitoa oa matou oloa.
O taumafaiga e talepe le vaega ole puipuiga ole Microchip atonu ose soliga ole Digital Millennium Copyright Act.
Afai o ia gaioiga e fa'atagaina ai le avanoa e le'i fa'atagaina i lau polokalama po'o isi galuega ua puletaofia, e ono iai sau aiā tatau e su'e ai se toomaga i lalo o lena Tulafono.

Faasilasilaga Faaletulafono

O fa'amatalaga o lo'o i totonu o lenei fa'asalalauga e uiga i fa'aoga masini ma mea fa'apena e tu'uina atu mo na'o lou fa'amalieina ma e ono suia i fa'afouga.
O lau matafaioi le faʻamautinoa o lau talosaga e fetaui ma au faʻamatalaga.
E LEAI FAIA E LE MICROCHIP ni sui po'o se fa'amaoniga o so'o se ituaiga pe fa'aalia pe fa'aata, tusia pe tautala, tulāfono po'o se isi, e feso'ota'i ma fa'amatalaga, e aofia ai ae le tapula'a i lona tulaga, tulaga lelei, fa'atinoga, fa'atinoga, fa'atauga.
Microchip e fa'afitia noataga uma e afua mai i nei fa'amatalaga ma lona fa'aogaina.
O le fa'aogaina o masini Microchip i le tausiga o le ola ma/po'o le saogalemu o lo'o i le tulaga lamatia o le tagata fa'atau, ma e malie le tagata fa'atau e puipuia, fa'aleaga ma taofia Microchip le afaina mai so'o se mea leaga, tagi, suti, po'o tupe alu e mafua mai i lea fa'aoga.
E leai ni laisene e tu'uina atu, fa'aalia po'o se isi mea, i lalo o so'o se Microchip aia tatau tau le atamai se'i vagana ua ta'ua.

Fa'ailoga Fa'ailoga

Ole igoa ole Microchip ma le logo, ole logo Microchip, Adaptec, Soʻo se Fua, AVR, AVR logo, AVR Freaks, Bes Time, Bit Cloud, chip KIT, chip KIT logo, Crypto Memory, Crypto RF, dsPIC, Flash Flex, flex PWR, HELDO, IGLOO, Jukebox,
Kee Loq, Kleer, LAN Check, Link MD, maX Stylus, maX Touch, Media LB, mega AVR, Micro semi, Micro semi logo, MOST,
MOST logo, MPLAB, Opto Lyzer, Packe Time, PIC, pico Power, PICSTART, PIC32 logo, Polar Fire, Prochip Designer,
Q Touch, SAM-BA, Sen Genuity, Spy NIC, SST, SST Logo, Super Flash, Symmetrical, Sync Server, Tachyon,
Temp Trackr, Time Source, tama'i AVR, UNI/O, Vectron, ma XMEGA o fa'ailoga fa'amaufa'ailoga a Microchip Technology.
Tuufaatasi i Amerika ma isi atunuu.

APT, Galuega Uati, Le Kamupani Fa'atonu Fa'atonu, Eter Synch, Flash Tec, Hyper Speed Control, Hyper Light Load, Intel limos, Libero, Motor Bench, m Touch, Power mite 3, Precision Edge, Pro ASIC, Pro ASIC Plus,
Pro ASIC Plus logo, Uaea filemu, Fusion atamai, Sync World, Temux, Time Cesium, Time Hub, Time Pictra, Time Provider,
Vite, Win Path, ma ZL o faʻailoga faʻamaufaʻailoga a Microchip Technology Incorporated i Amerika.

Taofi Fa'aigoa Fa'atasi, AKS, Analog-mo-le-Digital Age, So'o se Capacitor, So'o se I totonu, So'o se I fafo, Blue Sky, Body Com, Code Guard, Crypto Authentication, Crypto Automotive, Crypto Companion, Crypto Controller, dsPICDEM, dsPICDEM.net , Dynamic Average Matching, DAM, ECAN, Ether GREEN, In-Circuit Serial Programming, ICSP, INIC net, Inter-Chip Connectivity, Jitter Blocker, Kleer Net, Kleer Net logo, mem Brain, Mindi, MiFi, MPASM, MPF, MPLAB Fa'ailoga fa'amaonia, MPLIB, MPLINK, Multi TRAK, Net Detach, Omniscient Code Generation, PICDEM, PICDEM. upega, pusa PIC, si'usi'u PIC, Malosiaga, Silikoni mama, Q Matrix, REAL ICE, Ripple Blocker, SAM-ICE, Serial Quad I/O, SMART-IS, SQI, Super Switcher, Super Switcher II, Aofa'i Tumau, TSHARC , Siaki USB, Vari Sense, View Span, Wiper Lock, Wireless DNA, ma ZENA o fa'ailoga fa'ailoga a Microchip Technology Incorporated i Amerika ma isi atunu'u.

SQTP ose fa'ailoga tautua a Microchip Technology Incorporated i Amerika

O le logo Adaptec, Frequency on Demand, Silicon Storage Technology, ma Seem com o fa'ailoga fa'amaufa'ailoga a Microchip Technology Inc. i isi atunu'u.

GestIC ose fa'ailoga fa'amaufa'ailoga a Microchip Technology Germany II GmbH & Co. KG, ose lala o Microchip Technology Inc., i isi atunu'u.
O isi fa'ailoga tau fefa'ataua'iga uma o lo'o ta'ua ii o meatotino a latou kamupani.

AMBA, Arm, Arm7, Arm7TDMI, Arm9, Arm11, Tufuga, tele. LITTLE, Cordio, So'oga Autu, Va'aiga Autu, Cortex, Fuafuaga amata, Dynamo, Jazelle, Keil, Mali, Mbed, Mbed Enabled, NEON, POP, Moni View, Secur Core, Socrates, Thumb, Trust Zone, ULINK, ULINK2, ULINK-ME, ULINK-PLUS, ULINKpro, µVision, Versatile o fa'ailoga tau fefa'ataua'iga po'o fa'ailoga fa'amaufa'ailoga a le Arm Limited (po'o ona lala) i le US ma/po'o isi nofoaga.

Faiga Fa'atonuga

Mo faʻamatalaga e uiga i Microchip's Quality Management Systems, faʻamolemole asiasi: www.microchip.com/quality.
Ofisa Autasi
2355 Sisifo Chandler Blvd.
Chandler, AZ 85224-6199
Telefoni: 480-792-7200
Fax: 480-792-7277
Lagolago Fa'atekinisi: www.microchip.com/support
Web tuatusi: www.microchip.com

Pepa / Punaoa

MICROCHIP AN3523 UWB Transceiver Security Considerations Application Note [pdf] Taiala mo Tagata Fa'aoga
AN3523 UWB Transceiver Security Considerations Application Note, AN3523, UWB Transceiver Security Considerations Application Note, Iloiloga Talosaga Fa'amatalaga

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