RENESAS RA2E1 Capacitive Sensor MCU

Capacitive Sensor MCU
Capacitive Touch Noise Immunity Guide

Mawu Oyamba
Renesas Capacitive Touch Sensor Unit (CTSU) imatha kugwidwa ndi phokoso m'malo ozungulira chifukwa imatha kuzindikira kusintha kwakanthawi kochepa, kopangidwa ndi ma siginecha amagetsi osafunikira (phokoso). Zotsatira za phokosoli zingadalire pa mapangidwe a hardware. Choncho, kutenga zotsutsa pa mapangidwe stage idzatsogolera ku CTSU MCU yomwe imagwirizana ndi phokoso la chilengedwe komanso chitukuko chogwira ntchito. Cholembachi chikufotokoza njira zosinthira chitetezo cha phokoso pazogulitsa pogwiritsa ntchito Renesas Capacitive Touch Sensor Unit (CTSU) ndi IEC's noise immunity standards (IEC61000-4).

Chida Cholowera
Banja la RX, RA Family, RL78 Family MCUs ndi Renesas Synergy™ kuyika CTSU (CTSU, CTSU2, CTSU2L, CTSU2La, CTSU2SL)

Miyezo yomwe ili m'mawu ogwiritsira ntchito 

• IEC-61000-4-3
• IEC-61000-4-6

Zathaview

CTSU imayesa kuchuluka kwa magetsi osasunthika kuchokera pamagetsi amagetsi pamene electrode yakhudzidwa. Ngati kuthekera kwa ma elekitirodi okhudza kusinthika chifukwa cha phokoso panthawi yoyezera, mphamvu yolipiritsa imasinthanso, zomwe zimakhudza mtengo woyezedwa. Makamaka, kusinthasintha kwakukulu mumtengo woyezedwa kumatha kupitilira malire, kupangitsa kuti chipangizocho zisagwire bwino ntchito. Kusinthasintha kwakung'ono kwa mtengo woyezedwa kungakhudze mapulogalamu omwe amafunikira miyeso yofananira. Kudziwa za CTSU capacitive touch touch behaviour ndi kapangidwe ka bolodi ndikofunikira poganizira chitetezo chamkokomo cha CTSU capacitive touch systems. Timalimbikitsa ogwiritsa ntchito CTSU koyamba kuti adziwonetsere okha ndi CTSU ndi mfundo zogwira mtima powerenga zolemba zotsatirazi.

• Zambiri zokhudzana ndi capacitive touch diagnosis ndi CTSU
• Capacitive Touch User's Guide for Capacitive Sensor MCUs (R30AN0424)
• Zambiri zokhuza kapangidwe ka hardware board
  Capacitive Sensor Microcontrollers - CTSU Capacitive Touch Electrode Design Guide (R30AN0389)
• Zambiri zokhudzana ndi pulogalamu ya CTSU driver (CTSU module).
  Banja la RA Renesas Flexible Software Package (FSP) Buku Logwiritsa Ntchito (Web Mtundu - HTML)
  API Reference> Ma modules> CapTouch> CTSU (r_ctsu)
  RL78 Family CTSU Module Software Integration System (R11AN0484)
  RX Family QE CTSU Module Firmware Integration Technology (R01AN4469)
• Zambiri zokhudzana ndi touch middleware (TOUCH module) Software
  Banja la RA Renesas Flexible Software Package (FSP) Buku Logwiritsa Ntchito (Web Mtundu - HTML)
  API Reference> Ma modules> CapTouch> Kukhudza (rm_touch)
  RL78 Family TOUCH Module Software Integration System (R11AN0485)
  RX Family QE Touch Module Firmware Integration Technology (R01AN4470)
• Zambiri zokhudzana ndi QE for Capacitive Touch (chida chothandizira chothandizira chothandizira kukhudza capacitive touch)
  Kugwiritsa ntchito QE ndi FSP Kupanga Ma Capacitive Touch Application (R01AN4934)
  Kugwiritsa Ntchito QE ndi FIT Kupanga Ma Capacitive Touch Application (R01AN4516)
  RL78 Family Kugwiritsa Ntchito QE ndi SIS Kupanga Capacitive Touch Applications (R01AN5512)
  RL78 Family Kugwiritsa Ntchito Standalone Version ya QE Kupanga Capacitive Touch Applications (R01AN6574)

Mitundu ya Phokoso ndi Njira Zopewera

Miyezo ya EMC
Table 2-1 imapereka mndandanda wa miyezo ya EMC. Phokoso limatha kukhudza magwiridwe antchito polowa m'dongosolo kudzera m'mipata ya mpweya ndi zingwe zolumikizira. Mndandandawu umabweretsa miyezo ya IEC 61000 monga mwachitsanzoampkuti afotokoze mitundu ya opanga phokoso ayenera kudziwa kuti awonetsetse kuti machitidwe ogwiritsira ntchito CTSU akuyenda bwino. Chonde onani mtundu waposachedwa wa IEC 61000 kuti mumve zambiri.

Table 2-1 Miyezo Yoyesera ya EMC (IEC 61000)

Kufotokozera Mayeso	Zathaview	Standard
Mayeso a Radiated Immunity	Yesani chitetezo chamthupi ku phokoso lapamwamba la RF	IEC61000-4-3
Mayeso a Immunity adachitika	Yesani chitetezo chamthupi ku phokoso lotsika kwambiri la RF	IEC61000-4-6
Mayeso a Electrostatic Discharge (ESD)	Kuyesedwa kwa chitetezo chokwanira ku electrostatic discharge	IEC61000-4-2
Mayeso Amagetsi Othamanga Kwambiri/Kuphulika (EFT/B)	Kuyesedwa kwa chitetezo chamthupi kumayankhidwe opitilira pompopompo omwe adalowetsedwa mumizere yamagetsi, ndi zina.	IEC61000-4-4

Gulu 2-2 limatchula muyeso wa magwiridwe antchito pakuyesa chitetezo chamthupi. Njira zogwirira ntchito zimatchulidwira pakuyesa chitetezo cha EMC, ndipo zotsatira zimaweruzidwa kutengera momwe zida zimagwirira ntchito panthawi ya mayeso (EUT). Zolinga zogwirira ntchito ndizofanana pamtundu uliwonse.

Table 2-2 Zoyenera Kuchita Pakuyesa Kuteteza Chitetezo

Mulingo wa Magwiridwe	Kufotokozera
A	Zidazi zidzapitiriza kugwira ntchito monga momwe adafunira panthawi komanso pambuyo pa mayesero. Palibe kuwonongeka kwa magwiridwe antchito kapena kutayika kwa ntchito komwe kumaloledwa pansi pamlingo wa magwiridwe antchito ofotokozedwa ndi wopanga zida zikagwiritsidwa ntchito monga momwe amafunira.
B	Zidazi zidzapitiriza kugwira ntchito monga momwe adafunira panthawi komanso pambuyo pa mayesero. Palibe kuwonongeka kwa magwiridwe antchito kapena kutayika kwa ntchito komwe kumaloledwa pansi pamlingo wa magwiridwe antchito ofotokozedwa ndi wopanga zida zikagwiritsidwa ntchito monga momwe amafunira. Panthawi yoyesedwa, kuchepetsedwa kwa ntchito kumaloledwa. Palibe kusintha kwa ntchito yeniyeni kapena deta yosungidwa yomwe imaloledwa.
C	Kutayika kwakanthawi kwa ntchito kumaloledwa, pokhapokha ngati ntchitoyo ingathe kudzibwezeretsa yokha kapena ikhoza kubwezeretsedwanso pogwiritsa ntchito maulamuliro.

RF Noise Countermeasures

Phokoso la RF limawonetsa mafunde amagetsi amawayilesi omwe amagwiritsidwa ntchito ndi wailesi yakanema ndi wailesi, zida zam'manja, ndi zida zina zamagetsi. Phokoso la RF limatha kulowa mu PCB kapena limatha kulowa kudzera pa chingwe chamagetsi ndi zingwe zina zolumikizidwa. Zoyeserera zaphokoso ziyenera kutsatiridwa pagulu lakale komanso pamakina omaliza, monga kudzera pa chingwe chamagetsi. CTSU imayesa capacitance poisintha kukhala chizindikiro chamagetsi. Kusintha kwa mphamvu chifukwa cha kukhudza ndikochepa kwambiri, kotero kuti muwonetsetse kuti kukhudza kwabwinobwino, pini ya sensor ndi mphamvu ya sensor yokhayo iyenera kutetezedwa ku phokoso la RF. Mayeso awiri okhala ndi ma frequency osiyanasiyana oyesa amapezeka kuti ayese chitetezo champhamvu cha RF: IEC 61000-4-3 ndi IEC 61000-4-6.

IEC61000-4-3 ndi kuyesa kwa chitetezo chamthupi ndipo imagwiritsidwa ntchito kuyesa chitetezo chamkokomo pogwiritsa ntchito mwachindunji chizindikiro chochokera kumalo opangira ma radio-frequency electromagnetic kupita ku EUT. Munda wamagetsi wamagetsi wa RF umachokera ku 80MHz mpaka 1GHz kapena kupitilira apo, womwe umasinthidwa kukhala mafunde apakati pafupifupi 3.7m mpaka 30cm. Pamene kutalika kwa mawonekedwe ndi kutalika kwa PCB ndizofanana, chitsanzocho chikhoza kukhala ngati mlongoti, kusokoneza zotsatira za CTSU. Kuonjezera apo, ngati kutalika kwa waya kapena parasitic capacitance kumasiyana pa electrode iliyonse yogwira, mafupipafupi omwe akhudzidwa akhoza kusiyana pa terminal iliyonse. Onani Table 2-3 kuti mudziwe zambiri za kuyezetsa chitetezo chokwanira.

Table 2-3 Radiated Immunity Test

Nthawi zambiri	Mulingo Woyesera	Kulimbitsa M'munda Woyeserera
80MHz-1GHz Kufikira 2.7GHz kapena mpaka 6.0GHz, kutengera mtundu wa mayeso	1	1 V / m
	2	3 V / m
	3	10 V / m
	4	30 V / m
	X	Amatchulidwa payekhapayekha

IEC 61000-4-6 ndi kuyesa kwa chitetezo chamthupi ndipo imagwiritsidwa ntchito kuyesa ma frequency pakati pa 150kHz ndi 80MHz, otsika kuposa omwe amayesa chitetezo cha radiation. Gulu la ma frequency awa lili ndi kutalika kwamamita angapo kapena kupitilira apo, ndipo kutalika kwa 150 kHz kumafika pafupifupi 2 km. Chifukwa ndizovuta kugwiritsa ntchito mwachindunji gawo la RF electromagnetic lautali uwu pa EUT, chizindikiro choyesera chimayikidwa pa chingwe cholumikizidwa mwachindunji ndi EUT kuti awone momwe mafunde otsika kwambiri amagwirira ntchito. Mafunde amfupi kwambiri amakhudza mphamvu zamagetsi ndi zingwe zamasigino. Za example, ngati bandi pafupipafupi imayambitsa phokoso lomwe limakhudza chingwe chamagetsi ndi mphamvu yamagetsitage destabilizes, zotsatira za kuyeza kwa CTSU zitha kukhudzidwa ndi phokoso pamapini onse. Table 2-4 imapereka tsatanetsatane wa kuyezetsa chitetezo chokwanira.

Table 2-4 Anachita Mayeso Oteteza Chitetezo

Nthawi zambiri	Mulingo Woyesera	Kulimbitsa M'munda Woyeserera
Zamgululi	1	Zida 1 V
	2	Zida 3 V
	3	Zida 10 V
	X	Amatchulidwa payekhapayekha

Mu kapangidwe ka magetsi a AC komwe dongosolo la GND kapena MCU VSS sililumikizidwa ndi malo opangira magetsi opangira magetsi, phokoso lomwe limachitika limatha kulowa mugulu ngati phokoso wamba, lomwe lingayambitse phokoso muzotsatira za kuyeza kwa CTSU pomwe batani ili. kukhudza.

Chithunzi 2-1 chikuwonetsa Njira Yolowera Phokoso la Common Mode ndi Chithunzi 2-2 chikuwonetsa Ubale Pakati pa Phokoso la Common Mode ndi Measurement Current. Kuchokera pamawonedwe a gulu la GND (B-GND), phokoso lamtundu wamba likuwoneka kuti likusinthasintha pamene phokoso limakwera kwambiri padziko lapansi GND (E-GND). Kuonjezera apo, chifukwa chala (thupi la munthu) chomwe chimakhudza electrode yogwira (PAD) imaphatikizidwa ndi E-GND chifukwa cha mphamvu yosokera, phokoso lamtundu wamba limafalikira ndipo likuwoneka kuti limasintha mofanana ndi E-GND. Ngati PAD imakhudzidwa panthawiyi, phokoso (VNOISE) lopangidwa ndi phokoso lodziwika bwino limagwiritsidwa ntchito ku capacitance CF yopangidwa ndi chala ndi PAD, zomwe zimapangitsa kuti magetsi ayesedwe ndi CTSU asinthe. Zosintha pakulipiritsa zimawoneka ngati ma digito okhala ndi phokoso lokwera kwambiri. Ngati phokoso lamtundu wamba limaphatikizapo zigawo zafupipafupi zomwe zimagwirizana ndi ma frequency a CTSU ndi ma harmonics ake, zotsatira zoyezera zimatha kusinthasintha kwambiri. Gulu 2-5 limapereka mndandanda wazoyeserera zomwe zimafunikira pakuwongolera chitetezo chamkokomo cha RF. Njira zambiri zothanirana nazo ndizofala pakuwongolera chitetezo chokwanira komanso chitetezo chokwanira. Chonde onani gawo la mutu uliwonse wogwirizana ndi zomwe zalembedwa pa sitepe iliyonse yachitukuko.

Table 2-5 Mndandanda wa Zotsutsana Zofunika Kuti RF Noise Immunity Improvements

Gawo Lachitukuko	Zotsutsa Zofunikira Panthawi Yopanga	Magawo Ogwirizana
kusankha MCU (CTSU ntchito kusankha)	Kugwiritsa ntchito MCU yophatikizidwa ndi CTSU2 kumalimbikitsidwa ngati chitetezo chamkokomo chili chofunikira. · Yambitsani ntchito za CTSU2 zotsutsana ndi phokoso: ¾ Muyezo wa ma frequency angapo ¾ Chishango chogwira ntchito ¾ Khazikitsani kutulutsa kopanda kuyeza mukamagwiritsa ntchito chishango chogwira   Or · Yambitsani ntchito za CTSU anti-noise countermeasure: ¾ Ntchito yosinthira magawo mwachisawawa ¾ Ntchito yochepetsera phokoso kwambiri	3.3.1   Multi-frequency Measurement 3.3.2    Active Shield 3.3.3    Njira yosayezera Kusankha Zotulutsa       3.2.1   Random Phase Shift Ntchito 3.2.2    Phokoso lapamwamba kwambiri Kuchepetsa Ntchito (kufalikira spectrum ntchito)
Kapangidwe kazipangizo	· Mapangidwe a board pogwiritsa ntchito ma elekitirodi ovomerezeka   · Gwiritsani ntchito gwero lamagetsi kuti mutulutse phokoso lochepa · Malingaliro a mapangidwe a GND: pamakina okhazikika gwiritsani ntchito magawo kuti muchepetse phokoso lofanana       · Chepetsani kulowetsa kwa phokoso pa pini ya sensor posintha dampmtengo wa resistor. · Malo dampndi resistor pa njira yolumikizirana · Pangani ndi ikani capacitator yoyenera pa chingwe chamagetsi cha MCU	4.1.1 Kukhudza Electrode Pattern Mapangidwe 4.1.2.1  Voltage Supply Design 4.1.2.2  Chithunzi cha GND 4.3.1 Zosefera Wamba 4.3.4 Malingaliro a magawo a GND Kutalikirana kwa Shield ndi Electrode     4.2.1  TS Pin Dampndi Kukaniza 4.2.2  Digital Signal Noise 4.3.4 Malingaliro a magawo a GND Kutalikirana kwa Shield ndi Electrode
Kukhazikitsa mapulogalamu	Sinthani pulogalamu fyuluta kuchepetsa zotsatira za phokoso pa miyeso miyeso · IIR yosuntha avareji (yothandiza pamaphokoso ambiri mwachisawawa) * MOYO wosuntha wapakati (paphokoso lanthawi ndi nthawi)	5.1   Zosefera za IIR   5.2  FIR FIR

ESD Noise (electrostatic discharge)

Electrostatic discharge (ESD) imapangidwa pamene zinthu ziwiri zolipiridwa zimalumikizana kapena zili moyandikana. Magetsi osasunthika omwe amaunjikana m'thupi la munthu amatha kufikira maelekitirodi pa chipangizo ngakhale kudzera pakukuta. Kutengera kuchuluka kwa mphamvu yamagetsi yomwe imagwiritsidwa ntchito pa elekitirodi, zotsatira za kuyeza kwa CTSU zitha kukhudzidwa, kuwononga chipangizocho. Chifukwa chake, zotsutsana ziyenera kuyambitsidwa pamlingo wamakina, monga zida zodzitchinjiriza pamabwalo a board, zokutira za board, ndi nyumba zoteteza chipangizocho. Muyezo wa IEC 61000-4-2 umagwiritsidwa ntchito kuyesa chitetezo cha ESD. Table 2-6 imapereka zambiri za mayeso a ESD. Cholinga cha ntchito ndi katundu wa mankhwala zidzatsimikizira mulingo wofunikira woyeserera. Kuti mumve zambiri, onani muyezo wa IEC 61000-4-2. ESD ikafika pa electrode yogwira, nthawi yomweyo imapanga kusiyana kwa kV zingapo. Izi zitha kuchititsa kuti phokoso la pulse lichitike mumtengo woyezera wa CTSU, kuchepetsa kulondola kwa muyeso, kapena kuyimitsa muyeso chifukwa chozindikira kuchulukirachulukira.tage kapena overcurrent. Dziwani kuti zida za semiconductor sizinapangidwe kuti zizilimbana ndi kugwiritsa ntchito ESD mwachindunji. Chifukwa chake, kuyesa kwa ESD kuyenera kuchitidwa pazomalizidwa ndi bolodi yotetezedwa ndi vuto la chipangizocho. Zoyeserera zomwe zidayambitsidwa pa bolodi palokha ndi njira zolephera kuteteza dera nthawi zina zomwe ESD imachita, pazifukwa zina, kulowa mu board.

Table 2-6 ESD Mayeso

Mulingo Woyesera	Mayeso Voltage
	Contact Discharge	Kutulutsa kwa Air
1	2 kV	2 kV
2	4 kV	4 kV
3	6 kV	8 kV
4	8 kV	15 kV
X	Amatchulidwa payekhapayekha	Amatchulidwa payekhapayekha

EFT Noise (Electrical Fast Transients)
Zogulitsa zamagetsi zimapanga chodabwitsa chotchedwa Electrical Fast Transients (EFT), monga mphamvu ya electromotive yakumbuyo mphamvu ikayatsidwa chifukwa cha kasinthidwe ka mkati mwa magetsi kapena phokoso loyimbira pa ma switch a relay. M'malo omwe zinthu zambiri zamagetsi zimalumikizidwa mwanjira ina, monga pazingwe zamagetsi, phokosoli limatha kudutsa mumizere yamagetsi ndikusokoneza magwiridwe antchito a zida zina. Ngakhale zingwe zamagetsi ndi ma siginecha a zinthu zamagetsi zomwe sizimalumikizidwa pagawo lamagetsi ogawana zitha kukhudzidwa kudzera mumlengalenga chifukwa chokhala pafupi ndi zingwe zamagetsi kapena magwero a phokoso. Muyezo wa IEC 61000-4-4 umagwiritsidwa ntchito kuyesa chitetezo cha EFT. IEC 61000-4-4 imawunika chitetezo chamthupi mwa kubaya ma sign a EFT nthawi ndi nthawi mu mphamvu ya EUT ndi mizere yazizindikiro. Phokoso la EFT limapanga kugunda kwanthawi ndi nthawi muzotsatira za kuyeza kwa CTSU, zomwe zingachepetse kulondola kwa zotsatira kapena kuyambitsa kuzindikira kwabodza. Table 2-7 imapereka zambiri za mayeso a EFT/B (Electrical Fast Transient Burst).

Table 2-7 EFT/B Mayeso

Mulingo Woyesera	Tsegulani Circuit Test Voltage (pamwamba)		Pulse repetition frequency (PRF)
	Magetsi Line/Ground Waya	Signal/Control Line
1	0.5 kV	0.25 kV	5kHz kapena 100kHz
2	1 kV	0.5 kV
3	2 kV	1 kV
4	4 kV	2 kV
X	Amatchulidwa payekhapayekha		Amatchulidwa payekhapayekha

CTSU Noise Countermeasure Ntchito

CTSUs okonzeka ndi phokoso countermeasure ntchito, koma kupezeka kwa ntchito iliyonse amasiyana malinga ndi Baibulo la MCU ndi CTSU mukugwiritsa ntchito. Nthawi zonse tsimikizirani mitundu ya MCU ndi CTSU musanapange chinthu chatsopano. Mutuwu ukufotokoza kusiyana kwa ntchito zotsutsana ndi phokoso pakati pa mtundu uliwonse wa CTSU.

Mfundo Zoyezera ndi Zotsatira za Phokoso
CTSU imabwereza kulipiritsa ndi kutulutsa kangapo pa kuyeza kulikonse. Zotsatira za kuyeza kwa mtengo uliwonse kapena kutulutsa kwapano zimasonkhanitsidwa ndipo zotsatira zomaliza zimasungidwa mu kaundula. Munjira iyi, kuchuluka kwa miyeso pa nthawi ya unit kumatha kuonjezeredwa powonjezera kuchuluka kwa kuthamanga kwagalimoto, motero kuwongolera ma dynamic range (DR) ndikuzindikira miyeso yovuta kwambiri ya CTSU. Kumbali inayi, phokoso lakunja limayambitsa kusintha kwa ndalama kapena kutulutsa kwaposachedwa. M'malo omwe phokoso la nthawi ndi nthawi limapangidwa, zotsatira zoyezera zomwe zasungidwa mu Sensor Counter Register zimachotsedwa chifukwa cha kuwonjezeka kapena kuchepa kwa kuchuluka kwa panopa mbali imodzi. Zokhudzana ndi phokoso zotere zimatha kuchepetsa kulondola kwa muyeso. Chithunzi 3-1 chikuwonetsa chithunzi cha cholakwika chapakali pano chifukwa cha phokoso lanthawi ndi nthawi. Ma frequency omwe amakhala ngati phokoso lanthawi ndi nthawi ndi omwe amafanana ndi sensor drive pulse frequency ndi phokoso lake la harmonic. Zolakwika zoyezera zimakhala zazikulu pamene kukwera kapena kutsika kwa phokoso la periodic kulumikizidwa ndi nthawi ya SW1 ON. CTSU ili ndi magwiridwe antchito amtundu wa hardware monga chitetezo ku phokoso lanthawi ndi nthawi.

Chithunzi cha CTSU1
CTSU1 ili ndi ntchito yosinthika yachisawawa komanso yochepetsera phokoso lapamwamba kwambiri (kufalikira kwa sipekitiramu). Zotsatira pamtengo woyezedwa zimatha kuchepetsedwa pamene ma harmonics ofunikira a sensa amayendetsa pafupipafupi komanso machesi a phokoso. Mtengo wapamwamba kwambiri wa sensor drive pulse frequency ndi 4.0MHz.

Random Phase Shift Ntchito
Chithunzi 3-2 chikuwonetsa chifaniziro cha kusokonekera kwaphokoso pogwiritsa ntchito gawo losintha mwachisawawa. Posintha gawo la sensor drive pulse ndi madigiri a 180 nthawi mwachisawawa, kuwonjezeka kwapadziko lonse / kuchepa kwaposachedwa chifukwa chaphokoso lanthawi ndi nthawi kumatha kusinthidwa ndikusinthidwa kuti muyese molondola. Ntchitoyi imathandizidwa nthawi zonse mu module ya CTSU ndi TOUCH module.

Ntchito Yochepetsa Phokoso Kwambiri (kufalikira kwa sipekitiramu)
Ntchito yochepetsera phokoso lapamwamba kwambiri imayesa kuchuluka kwa sensor drive pulse ndikuwonjezera mwadala. Kenako imasintha malo olumikizirana ndi phokoso lolumikizana kuti limwaza nsonga ya cholakwika choyezera ndikuwongolera kulondola kwa muyeso. Ntchitoyi nthawi zonse imathandizidwa muzotulutsa zamodule za CTSU ndi kutulutsa kwa module ya TOUCH popanga ma code.

Chithunzi cha CTSU2

Multi-frequency Measurement
Kuyeza kwa ma frequency angapo kumagwiritsa ntchito ma frequency angapo a sensor drive pulse ndi ma frequency osiyanasiyana. Kufalikira kwa sipekitiramu sikumagwiritsidwa ntchito kupewa kusokoneza pamtundu uliwonse wa kuthamanga kwagalimoto. Izi zimathandizira chitetezo chamthupi motsutsana ndi phokoso la RF chifukwa ndi lothandiza polimbana ndi phokoso lolumikizana ndi sensor drive pulse frequency, komanso phokoso lomwe limayambitsidwa kudzera pa touch electrode pattern. Chithunzi 3-3 chikuwonetsa chithunzi cha momwe milingo yoyezera imasankhidwira mumiyeso yamitundu ingapo, ndipo Chithunzi 3-4 chikuwonetsa chithunzi cholekanitsa mafunde a phokoso munjira yofananira. Kuyeza kwa ma frequency angapo kumataya zotsatira zoyezera zomwe zakhudzidwa ndi phokoso kuchokera pagulu la miyeso yotengedwa pama frequency angapo kuti muyezo ukhale wolondola.

M'mapulojekiti ogwiritsira ntchito omwe amaphatikizapo CTSU driver ndi TOUCH middleware modules (onani zolemba za FSP, FIT, kapena SIS), pamene gawo lokonzekera la "QE for Capacitive Touch" likugwiritsidwa ntchito magawo a multi-frequency muyeso amapangidwa, ndipo ma multi- kuyeza pafupipafupi kungagwiritsidwe ntchito. Pothandizira zoikamo zapamwamba mu gawo lokonzekera, magawo amatha kukhazikitsidwa pamanja. Kuti mumve zambiri pamiyezo yanthawi yayitali ya mawotchi ambiri, onani Capacitive Touch Advanced Mode Parameter Guide (R30AN0428EJ0100). Chithunzi 3-5 chikuwonetsa example ya Interference Frequency pa Multi-frequency Measurement. Ex iziample akuwonetsa ma frequency osokoneza omwe amawonekera pomwe kuyeza pafupipafupi kumayikidwa ku 1MHz ndipo phokoso lamayendedwe wamba limayikidwa pa bolodi pomwe ma elekitirodi okhudza akhudzidwa. Chithunzi (a) chikuwonetsa zosinthazi mukangokonza zokha; kuchuluka kwa kuyeza kumayikidwa ku + 12.5% ​​kwa ma frequency a 2nd ndi -12.5% ​​kwa ma frequency a 3 kutengera ma frequency a 1 a 1MHz. Grafu imatsimikizira kuti kuchuluka kwa kuyeza kulikonse kumasokoneza phokoso. Chithunzi (b) chikuwonetsa example momwe kuyeza pafupipafupi kumawunikiridwa pamanja; kuchuluka kwa kuyeza kumayikidwa ku -20.3% kwa ma frequency a 2nd ndi + 9.4% kwa ma frequency a 3 kutengera ma frequency a 1 a 1MHz. Ngati phokoso linalake likuwoneka muzotsatira zoyezera ndipo mafupipafupi a phokoso akufanana ndi nthawi yoyezera, onetsetsani kuti mukusintha miyeso ya ma frequency angapo pamene mukuyesa malo enieni kuti musasokonezedwe pakati pa mafupipafupi a phokoso ndi kuchuluka kwa kuyeza.

Active Shield
Mu CTSU2 self-capacitance njira, chishango yogwira angagwiritsidwe ntchito kuyendetsa chishango chitsanzo chimodzimodzi zimachitika gawo monga kachipangizo pagalimoto zimachitika. Kuti mutsegule chishango chogwira ntchito, mukusintha kwa mawonekedwe a QE for Capacitive Touch, ikani pini yomwe imalumikizana ndi chishango chogwira ntchito kuti "pini ya chishango." Chishango chogwira ntchito chikhoza kukhazikitsidwa ku pini imodzi pa kasinthidwe ka mawonekedwe a Touch (njira). Kuti mudziwe zambiri za ntchito ya Active Shield, onani "Capacitive Touch User's Guide for Capacitive Sensor MCUs (R30AN0424)”. Kuti mudziwe zambiri zamapangidwe a PCB, onani "CTSU Capacitive Touch Electrode Design Guide (R30AN0389)“.

Kusankha Zotulutsa Zopanda kuyeza
Mu CTSU2 self-capacitance njira, kugunda linanena bungwe mu gawo lomwelo monga kachipangizo pagalimoto zimachitika akhoza kukhala ngati sanali muyeso njira linanena bungwe. Mu QE for Capacitive Touch interface configuration (njira), mayendedwe osayezera (ma electrode okhudza) amangokhazikitsidwa pagawo lofanana la pulse panjira zomwe zimaperekedwa ndi chitetezo chogwira ntchito.

Zida Zakuphokoso za Hardware

Njira Zodziwira Phokoso

Zojambula Zamtundu wa Electrode
Dera la touch electrode limakhala losavuta kumva phokoso, lomwe limafunikira chitetezo chamkokomo kuti chiganizidwe pamapangidwe a hardware.tage. Kuti mumve zambiri za malamulo opangira ma board omwe amalimbana ndi chitetezo cha phokoso, chonde onani mtundu waposachedwa wa CTSU Capacitive Touch Electrode Design Guide (R30AN0389). Chithunzi 4-1 chikupereka gawo kuchokera mu Buku losonyeza kupitiliraview ya kudzikonda capacitance njira kamangidwe kachitidwe, ndi Chithunzi 4-2 chikusonyeza chimodzimodzi kwa mutual-capacitance njira kamangidwe chitsanzo.

1. Mawonekedwe a electrode: lalikulu kapena bwalo
2. Electrode kukula: 10mm kuti 15mm
3. Kuyandikira kwa Electrode: Ma elekitirodi amayenera kuyikidwa ample mtunda kuti asachitepo nthawi imodzi ndi mawonekedwe amunthu, (otchedwa "chala" mu chikalata ichi); nthawi yomwe mukufuna: kukula kwa batani x 0.8 kapena kupitilira apo
4. Wire wide: pafupifupi. 0.15mm mpaka 0.20mm pa bolodi losindikizidwa
5. Kutalika kwa mawaya: Pangani mawayawo kukhala achidule momwe mungathere. Pangodya, pangani ngodya ya madigiri 45, osati ngodya yoyenera.
6. Kutalikirana kwa mawaya: (A) Pangani mipata kuti ikhale yotakata kwambiri kuti mupewe kuzindikirika ndi ma elekitirodi oyandikana nawo. (B) 1.27mm phula
7. M'lifupi mwa mawonekedwe a GND: 5mm
8. Patani ya GND yodutsana ndi mabatani/ma waya (A) malo ozungulira maelekitirodi: 5mm (B) malo ozungulira mawaya: 3mm kapena kupitilira apo pagawo la ma elekitirodi komanso mawaya ndi malo moyang'anizana ndi mawaya opingasa. Komanso, ikani chitsanzo chophwanyidwa m'malo opanda kanthu, ndikugwirizanitsa mawonekedwe a 2 amtundu wodutsana kudzera mu vias. Onani gawo la "2.5 Anti-Noise Layout Pattern Designs" pamiyeso yotsatizana, chishango chogwira ntchito (CTSU2 chokha), ndi njira zina zotsutsana ndi phokoso.
9. Electrode + wiring capacitance: 50pF kapena kuchepera
10. Electrode + wiring resistance: 2K0 kapena kuchepera (kuphatikiza damping resistor yokhala ndi mtengo wowerengeka wa 5600)

Chithunzi 4-1 Malangizo Opangira Mapangidwe a Njira Yodzipangira (kagawo)

1. Mawonekedwe a Electrode: lalikulu (wophatikiza ma transmitter electrode TX ndi wolandila elekitirodi RX)
2. Kukula kwa Electrode: 10mm kapena kukulirapo Kuyandikira kwa Electrode: Ma elekitirodi ayenera kuyikidwa pa ample mtunda kuti asachitepo nthawi imodzi ndi chinthu chokhudza (chala, ndi zina), (nthawi yomwe aperekedwa: kukula kwa batani x 0.8 kapena kupitilira apo)
   • Waya m'lifupi: Waya thinnest angathe kupyolera mu kupanga zambiri; pafupifupi. 0.15mm mpaka 0.20mm pa bolodi losindikizidwa
3. Kutalika kwa mawaya: Pangani mawayawo kukhala achidule momwe mungathere. Pangodya, pangani ngodya ya madigiri 45, osati ngodya yoyenera.
4. Kutalikirana kwa wiring:
   • Pangani mipata motalikira momwe mungathere kuti musazindikire zabodza ndi ma elekitirodi oyandikana nawo.
   • Pamene maelekitirodi alekanitsidwa: phula la 1.27mm
   • 20mm kapena kupitilira apo kuti mupewe kulumikizana kwa mphamvu pakati pa Tx ndi Rx.
5. Kutalikirana kwa GND (chishango chotetezera) Chifukwa mphamvu ya pini ya parasitic mu njira yovomerezeka ya batani ndi yaying'ono, mphamvu ya parasitic imawonjezera kuyandikira kwa mapini ku GND.
   • A: 4mm kapena kupitilira apo mozungulira maelekitirodi Timalimbikitsanso pafupifupi. 2-mm wide cross-atched GND ndege chitsanzo pakati maelekitirodi.
   • B: 1.27mm kapena kuposa kuzungulira mawaya
6. Tx, Rx parasitic capacitance: 20pF kapena kuchepera
7. Electrode + wiring resistance: 2kQ kapena kuchepera (kuphatikiza damping resistor yokhala ndi mtengo wowerengeka wa 5600)
8. Osayika chitsanzo cha GND mwachindunji pansi pa maelekitirodi kapena mawaya. Chishango chogwira ntchito sichingagwiritsidwe ntchito pa njira yogwirizanitsa mphamvu.

Chithunzi 4-2 Malangizo Opangira Mapangidwe a Mutual Capacitance Method (kagawo)

Power Supply Design
CTSU ndi gawo la analoji loyang'anira magetsi. Phokoso likalowa mu voltage imaperekedwa ku mtundu wa MCU kapena GND, imayambitsa kusinthasintha komwe kungathe kuchitika mu sensor drive pulse ndikuchepetsa kulondola kwa muyeso. Tikukulimbikitsani kuti muwonjezere chipangizo chochepetsera phokoso pa chingwe chamagetsi kapena chozungulira chamagetsi kuti mupereke magetsi mosatetezeka ku MCU.

Voltage Supply Design
Muyenera kuchitapo kanthu popanga magetsi a makina kapena chipangizo chapaboard kuti mupewe kulowetsa phokoso kudzera pa pini yamagetsi ya MCU. Malangizo otsatirawa okhudzana ndi mapangidwe angathandize kupewa kulowetsa phokoso.

• Sungani chingwe chamagetsi ku dongosolo ndi mawaya amkati mwaufupi momwe mungathere kuti muchepetse impedance.
• Ikani ndi kuyika zosefera zaphokoso (ferrite core, ferrite bead, etc.) kuti mutseke phokoso lapamwamba.
• Chepetsani kuthamanga kwamagetsi a MCU. Tikupangira kugwiritsa ntchito chowongolera pamzere pa MCU's voltagndi supply. Sankhani chowongolera chowongolera chokhala ndi phokoso lotsika komanso mawonekedwe apamwamba a PSRR.
• Pakakhala zida zingapo zokhala ndi katundu wambiri pa bolodi, timalimbikitsa kuyika magetsi osiyana a MCU. Ngati izi sizingatheke, patulani chitsanzo pamizu ya magetsi.
• Mukamagwiritsa ntchito chipangizo chogwiritsa ntchito kwambiri pa MCU pini, gwiritsani ntchito transistor kapena FET.

Chithunzi 4-3 chikuwonetsa masanjidwe angapo a chingwe chamagetsi. Vo ndi mphamvu yamagetsi voltage, ndikusinthasintha kwa kagwiritsidwe ntchito komwe kumachitika chifukwa cha IC2, ndipo Z ndiye kulepheretsa kwa chingwe chamagetsi. Vn ndi voltage yopangidwa ndi chingwe chamagetsi ndipo imatha kuwerengedwa ngati Vn = mu×Z. Mtundu wa GND ukhoza kuganiziridwa mofananamo. Kuti mumve zambiri pamapangidwe a GND, onani 4.1.2.2 GND Pattern Design. Pokonzekera (a), chingwe chamagetsi ku MCU ndi chachitali, ndipo nthambi ya IC2 yoperekera mphamvu pafupi ndi magetsi a MCU. Kusintha uku sikuvomerezedwa ngati voliyumu ya MCUtage supply imakhala ndi Vn phokoso pamene IC2 ikugwira ntchito. (b) ndi (c) zithunzi zozungulira za (b) ndi (c) ndizofanana ndi (a), koma mapangidwe ake amasiyana. (b) nthambi za mzere wamagetsi kuchokera ku muzu wa magetsi, ndipo zotsatira za Vn phokoso zimachepetsedwa ndi kuchepetsa Z pakati pa magetsi ndi MCU. (c) imachepetsanso mphamvu ya Vn powonjezera malo ndi mzere wa mzere wamagetsi kuti muchepetse Z.

Chithunzi cha GND
Kutengera kapangidwe kake, phokoso lingayambitse GND, yomwe ndi voltage ya MCU ndi zida zam'mwamba, kuti zisinthe momwe zingathere, kuchepetsa kulondola kwa kuyeza kwa CTSU. Malangizo otsatirawa pamapangidwe amtundu wa GND athandizira kupondereza kusinthasintha komwe kungachitike.

• Phimbani malo opanda kanthu ndi mawonekedwe olimba a GND momwe mungathere kuti muchepetse kutsekeka pamtunda waukulu.
• Gwiritsani ntchito masanjidwe a bolodi omwe amalepheretsa phokoso kuti lisalowe mu MCU kudzera pa mzere wa GND powonjezera mtunda pakati pa MCU ndi zida zomwe zili ndi katundu wambiri komanso kulekanitsa MCU kuchokera ku GND.

Chithunzi 4-4 chikuwonetsa masanjidwe angapo a mzere wa GND. Pamenepa, ndikusinthasintha kwa kagwiritsidwe ntchito komwe kamabwera chifukwa cha ntchito za IC2, ndipo Z ndiye njira yolumikizira magetsi. Vn ndi voltage yopangidwa ndi mzere wa GND ndipo imatha kuwerengedwa ngati Vn = mu×Z. Pokonzekera (a), mzere wa GND ku MCU ndi wautali ndipo umalumikizana ndi mzere wa IC2 GND pafupi ndi pini ya GND ya MCU. Kusintha uku sikuvomerezedwa chifukwa kuthekera kwa GND kwa MCU kumatha kutengeka ndi Vn phokoso pomwe IC2 ikugwira ntchito. Mu kasinthidwe (b) mizere ya GND iphatikiza pa muzu wa pini ya GND yamagetsi. Phokoso lochokera ku Vn likhoza kuchepetsedwa mwa kulekanitsa mizere ya GND ya MCU ndi IC2 kuchepetsa danga pakati pa MCU ndi Z. Ngakhale kuti zojambulajambula za (c) ndi (a) ndizofanana, mapangidwe apangidwe amasiyana. Kukonzekera (c) kumachepetsa mphamvu ya Vn powonjezera malo ndi mzere wa mzere wa GND kuti muchepetse Z.

Lumikizani TSCAP capacitor's GND ku GND solid pattern yomwe imalumikizidwa ku MCU's VSS terminal kuti ikhale ndi kuthekera kofanana ndi VSS terminal. Osalekanitsa GND ya TSCAP capacitor ndi GND ya MCU. Ngati kutsekeka pakati pa GND ya TSCAP capacitor ndi GND ya MCU ndikwambiri, kukana kwamphamvu kwapang'onopang'ono kwa TSCAP capacitor kudzachepa, ndikupangitsa kuti ikhale yosavuta kumva phokoso lamagetsi ndi phokoso lakunja.

Kukonza Zikhomo Zosagwiritsidwa Ntchito
Kusiya zikhomo zosagwiritsidwa ntchito pamalo okwera kwambiri kumapangitsa kuti chipangizocho chikhale ndi zotsatira za phokoso lakunja. Onetsetsani kuti mwakonza mapini onse osagwiritsidwa ntchito mutatchulanso buku lolingana la MCU Faily hardware la pini iliyonse. Ngati chotsutsa chotsitsa sichikhoza kukhazikitsidwa chifukwa chosowa malo oyikapo, konzani zotulukapo za pini kuti zikhale zotsika.

Ma Radiated RF Noise Countermeasures

TS Pin Dampndi Resistance
The damping resistor yolumikizidwa ndi TS pini ndi electrode's parasitic capacitance chigawo chimodzi ntchito monga otsika-pass fyuluta. Kuwonjezeka kwa damping resistor imachepetsa mafupipafupi odulidwa, motero amatsitsa mulingo waphokoso lolowera mkati mwa TS pin. Komabe, mulingo wa capacitive muyeso kapena nthawi yakutulutsa ikatalikitsidwa, ma frequency a sensor drive pulse amayenera kuchepetsedwa, zomwe zimachepetsanso kulondola kwa kukhudza. Kuti mudziwe zambiri zokhuza kukhudzika posintha damping resistor mu njira yodzipangira nokha, tchulani "5. Njira Zodzipangira Mabatani ndi Deta ya Makhalidwe” mu CTSU Capacitive Touch Electrode Design Guide (R30AN0389)

Digital Signal Noise
Mawaya amtundu wa digito omwe amalumikizana ndi kulumikizana, monga SPI ndi I2C, ndi ma sign a PWM a LED ndi kutulutsa kwamawu ndi gwero la phokoso lomwe limakhudza gawo la electrode touch. Mukamagwiritsa ntchito zizindikiro za digito, ganizirani malingaliro otsatirawa pakupanga stage.

• Pamene mawaya akuphatikiza ngodya zakumanja (madigiri 90), ma radiation a phokoso kuchokera kumalo akuthwa kwambiri amawonjezeka. Onetsetsani kuti ngodya zamawaya ndi madigiri 45 kapena kuchepera, kapena zopindika, kuti muchepetse cheza chaphokoso.
• Pamene mulingo wa siginecha ya digito ukusintha, kupitilira apo kapena kutsika kwapansi kumawonekera ngati phokoso lambiri. Monga choletsa, ikani malondaamping resistor pa mzere wa chizindikiro cha digito kuti athetsere kupitirira kapena kutsika. Njira ina ndiyo kuyika mkanda wa ferrite pamzere.
• Konzani mizere ya ma sigino a digito ndi ma electrode okhudza kukhudza kuti asakhudze. Ngati kasinthidwe kameneka kakufuna kuti mizere iyendere limodzi, sungani mtunda wautali pakati pawo momwe mungathere ndikuyika chishango cha GND motsatira mzere wa digito.
• Mukamagwiritsa ntchito chipangizo chogwiritsa ntchito kwambiri pa MCU pini, gwiritsani ntchito transistor kapena FET.

Multi-frequency Measurement
Mukamagwiritsa ntchito MCU yophatikizidwa ndi CTSU2, onetsetsani kuti mukugwiritsa ntchito miyeso yamafupipafupi. Kuti mudziwe zambiri, onani 3.3.1 Multi-frequency Measurement.

Zoyeserera za Noise Countermeasures
Kuganizira za chitetezo cha phokoso ndikofunikira kwambiri pamapangidwe amagetsi kuposa pamapangidwe a board a MCU. Poyamba, pangani magetsi kuti mupereke voltage ndi phokoso lochepa ku zipangizo zoyikidwa pa bolodi. Kuti mudziwe zambiri pazakusintha kwamagetsi, onani 4.1.2 Power Supply Design. Gawoli likufotokoza zotsutsana ndi phokoso zokhudzana ndi magetsi komanso ntchito za CTSU zomwe ziyenera kuganiziridwa popanga bolodi lanu la MCU kuti lipititse patsogolo chitetezo cha phokoso.

Zosefera Wamba
Ikani kapena yikani zosefera wamba (mode wamba choke, ferrite pachimake) kuti muchepetse phokoso lolowera pa bolodi kuchokera ku chingwe chamagetsi. Yang'anani kuchuluka kwa kusokoneza kwa makina ndi kuyesa kwa phokoso ndikusankha chipangizo chokhala ndi vuto lalikulu kuti muchepetse bandi yaphokoso. Onani kuzinthu zomwe zimayikidwa ngati malo oyika amasiyana malinga ndi mtundu wa fyuluta. Dziwani kuti mtundu uliwonse wa fyuluta umayikidwa mosiyana pa bolodi; tchulani mafotokozedwe ofananawo kuti mumve zambiri. Nthawi zonse ganizirani masinthidwe a fyuluta kuti mupewe phokoso mkati mwa bolodi. Chithunzi 4-5 chikuwonetsa mawonekedwe a Common Mode Selter Layout Example.

Common Mode Choke
Njira yodziwika bwino yotsatsira imagwiritsidwa ntchito ngati njira yoletsa phokoso yomwe imayikidwa pa bolodi, yomwe imafuna kuti ikhazikitsidwe panthawi ya board ndi dongosolo lamapangidwe. Mukamagwiritsa ntchito choke wamba, onetsetsani kuti mukugwiritsa ntchito waya wamfupi kwambiri pompopompo pomwe magetsi amalumikizidwa ndi bolodi. Za example, polumikiza chingwe chamagetsi ndi bolodi ndi cholumikizira, kuyika fyuluta nthawi yomweyo cholumikizira kumbali ya bolodi chidzalepheretsa phokoso lolowera kudzera pa chingwe kuti lisafalikire pa bolodi.

Ferrite Core
Pakatikati pa ferrite imagwiritsidwa ntchito kuchepetsa phokoso lomwe limachitika kudzera pa chingwe. Pamene phokoso limakhala vuto pambuyo pa msonkhano wa dongosolo, kuyambitsa clamp-mtundu wa ferrite core umakupatsani mwayi wochepetsera phokoso popanda kusintha bolodi kapena dongosolo. Za example, polumikiza chingwe ndi bolodi ndi cholumikizira, kuika fyuluta pamaso pa cholumikizira kumbali ya bolodi kuchepetsa phokoso kulowa bolodi.

Kapangidwe ka Capacitor
Chepetsani phokoso lamagetsi ndi phokoso lokwera lomwe limalowa mu bolodi kuchokera kumagetsi ndi zingwe zowonetsera popanga ndi kuyika ma capacitor odulira ndi ma capacitor ambiri pafupi ndi chingwe chamagetsi cha MCU kapena matheminali.

Decoupling capacitor
A decoupling capacitor akhoza kuchepetsa voltagkutsika pakati pa pini yamagetsi ya VCC kapena VDD ndi VSS chifukwa chakugwiritsa ntchito kwa MCU, kukhazikika kwa miyeso ya CTSU. Gwiritsani ntchito mphamvu zomwe zalembedwa mu Buku la MCU User, ndikuyika capacitor pafupi ndi pini yamagetsi ndi pini ya VSS. Njira ina ndikupanga chitsanzocho potsatira chiwongolero cha hardware cha banja la MCU, ngati liripo.

Bulk Capacitor
Ma capacitor ambiri aziyenda bwino mu voliyumu ya MCUtage supply source, stabilizing the voltage pakati pa pini ya mphamvu ya MCU ndi VSS, ndikukhazikitsa miyeso ya CTSU. Kuthekera kwa ma capacitors kudzasiyana malinga ndi kapangidwe ka magetsi; onetsetsani kuti mukugwiritsa ntchito mtengo woyenerera kupewa kupanga oscillation kapena voltage dontho.

Multi-frequency Measurement
Multi-frequency muyeso, ntchito ya CTSU2, imathandizira pakuwongolera chitetezo chamkokomo. Ngati chitetezo chaphokoso chikukhudzidwa ndikukula kwanu, sankhani MCU yokhala ndi CTSU2 kuti mugwiritse ntchito kuyeza kwa ma frequency angapo. Kuti mudziwe zambiri, onani 3.3.1 Multi-frequency Measurement.

Kuganizira za GND Shield ndi Electrode Distance
Chithunzi 1 chikuwonetsa chithunzi cha kuponderezana kwa phokoso pogwiritsa ntchito njira yowonjezeretsa phokoso la chishango cha electrode. Kuyika chishango cha GND kuzungulira electrode ndikubweretsa chishango chozungulira electrode pafupi ndi electrode kumalimbitsa capacitive coupling pakati pa chala ndi chishango. Chigawo cha phokoso (VNOISE) chimathawira ku B-GND, kuchepetsa kusinthasintha kwa muyeso wa CTSU panopa. Dziwani kuti kuyandikira kwa chishango ndi electrode, kukulirapo kwa CP, zomwe zimapangitsa kuchepa kwa chidwi. Pambuyo posintha mtunda pakati pa chishango ndi electrode, tsimikizirani kukhudzidwa mu gawo 5. Njira Yodzipangira Njira Zopangira Mabatani ndi Makhalidwe Deta ya CTSU Capacitive Touch Electrode Design Guide (R30AN0389).

Zosefera Mapulogalamu

Kuzindikira kukhudza kumagwiritsa ntchito zotsatira za kuyeza kwa capacitance kuti adziwe ngati sensa yakhudzidwa kapena ayi (ON kapena WOZIMA) pogwiritsa ntchito dalaivala wa CTSU ndi pulogalamu ya TOUCH module. Module ya CTSU imapangitsa kuchepetsa phokoso pa zotsatira za kuyeza kwa capacitance ndikudutsa deta ku TOUCH module yomwe imatsimikizira kukhudza. Dalaivala wa CTSU akuphatikiza ndi IIR yosuntha pafupifupi fyuluta ngati fyuluta yokhazikika. Nthawi zambiri, fyuluta yokhazikika imatha kupereka SNR yokwanira komanso kuyankha. Komabe, kukonza kwamphamvu kwambiri kochepetsera phokoso kungafunike kutengera makina ogwiritsa ntchito. Chithunzi 5-1 chikuwonetsa Kuyenda kwa Data Kupyolera mu Kuzindikira Kukhudza. Zosefera za ogwiritsa zitha kuyikidwa pakati pa dalaivala wa CTSU ndi gawo la TOUCH pakukonza phokoso. Onani zomwe zili pansipa kuti mupeze malangizo atsatanetsatane amomwe mungaphatikizire zosefera mu polojekiti file komanso pulogalamu fyuluta sample code ndi ntchito exampndi project file. RA Family Capacitive Touch Software Filter SampPulogalamu ya (R30AN0427)

Gawoli limayambitsa zosefera zogwira mtima pamtundu uliwonse wa EMC.

Table 5-1 EMC Standard ndi Zosefera Mapulogalamu Ogwirizana

EMC Yoyenera	Phokoso Loyembekezeredwa	Zosefera Zogwirizana ndi Mapulogalamu
IEC61000-4-3	Phokoso lachisawawa	Zosefera za IIR
Ma radiation immunity,
IEC61000-4-6	Phokoso lanthawi ndi nthawi	FIR FIR
Kuchita chitetezo chokwanira

Zosefera za IIR
Fyuluta ya IIR (Fyuluta ya Infinite Impulse Response) imafuna kukumbukira pang'ono ndipo imadzitamandira pang'ono kuwerengera, ndikupangitsa kuti ikhale yabwino kwa machitidwe otsika mphamvu ndi mapulogalamu okhala ndi mabatani ambiri. Kugwiritsa ntchito ngati fyuluta yotsika kumathandizira kuchepetsa phokoso lapamwamba. Komabe, chisamaliro chiyenera kutengedwa ngati kutsika kwafupipafupi kwafupipafupi, nthawi yayitali yokhazikika, yomwe idzachedwetsa ndondomeko ya chiweruzo cha ON / OFF. Fyuluta ya IIR ya dongosolo limodzi loyamba imawerengedwa pogwiritsa ntchito njira yotsatilayi, pamene a ndi b ndi ma coefficients, xn ndi mtengo wolowetsa, yn ndi mtengo wotulutsa, ndipo yn-1 ndiye mtengo waposachedwa.

Pamene fyuluta ya IIR ikugwiritsidwa ntchito ngati fyuluta yotsika, ma coefficients a ndi b akhoza kuwerengedwa pogwiritsa ntchito ndondomekoyi, pamene sampLing frequency ndi fs ndipo cutoff frequency ndi fc.

FIR FIR
FIR FIR (Finite Impulse Response fyuluta) ndi fyuluta yokhazikika kwambiri yomwe imabweretsa kuwonongeka kochepa kolondola chifukwa cha zolakwika zowerengera. Kutengera kuchuluka kwake, imatha kugwiritsidwa ntchito ngati fyuluta yotsika pang'ono kapena fyuluta ya band-pass, kuchepetsa phokoso lanthawi ndi nthawi, ndikuwongolera SNR. Komabe, chifukwa sampZocheperako kuchokera ku nthawi ina yam'mbuyo zimasungidwa ndikuwerengedwa, kugwiritsa ntchito kukumbukira ndi kuwerengera kumawonjezeka molingana ndi kutalika kwapampopi wosefera. FIR FIR imawerengeredwa pogwiritsa ntchito njira yotsatilayi, pamene L ndi h0 mpaka hL-1 ndi ma coefficients, xn ndi mtengo wolowetsa, xn-I ndi mtengo wolowetsa m'mbuyo pa s.ample i, ndipo yn ndiye mtengo wake.

Kugwiritsa Ntchito Examples
Chigawo ichi chikupereka exampkuchotsa phokoso pogwiritsa ntchito zosefera za IIR ndi FIR. Gulu 5-2 likuwonetsa zosefera ndipo Chithunzi 5-2 chikuwonetsa zakaleampndi kuchotsa phokoso mwachisawawa.

Table 5-2 Sefa Kagwiritsidwe Ntchito Eksamples

Zosefera Format	Chikhalidwe 1	Chikhalidwe 2	Ndemanga
IIR yamtengo umodzi woyamba	b=0.5	b=0.75
MOYO	L = 4 h0~ hL-1=0.25	L = 8 h0~ hL-1=0.125	Gwiritsani ntchito njira yosavuta yosuntha

Mfundo Zogwiritsira Ntchito Zokhudza Miyeso Yoyezera
Mawonekedwe afupipafupi a zosefera zamapulogalamu amasintha kutengera kulondola kwa kuyeza kwake. Kuphatikiza apo, simungapeze mawonekedwe oyembekezeka a fyuluta chifukwa cha mitsinje kapena kusiyana kwa miyeso. Kuti muyang'ane kwambiri mawonekedwe a fyuluta, gwiritsani ntchito oscillator yothamanga kwambiri (HOCO) kapena crystal oscillator yakunja ngati wotchi yayikulu. Timalimbikitsanso kuyang'anira kayezedwe kayezedwe ka kukhudza ndi chowerengera cha Hardware.

Kafotokozedwe ka mawu

Nthawi	Tanthauzo
CTSU	Capacitive Touch Sensing Unit. Amagwiritsidwanso ntchito mu CTSU1 ndi CTSU2.
Chithunzi cha CTSU1	M'badwo Wachiwiri CTSU IP. "1" yawonjezeredwa kusiyanitsa ndi CTSU2.
Chithunzi cha CTSU2	M'badwo wachitatu CTSU IP.
Woyendetsa CTSU	Mapulogalamu oyendetsa CTSU ophatikizidwa mu phukusi la Renesas Software.
Mtengo wa CTSU	Gawo la pulogalamu yoyendetsa CTSU yomwe imatha kuphatikizidwa pogwiritsa ntchito Smart Configurator.
TOUCH pakati	Middleware kuti mugwire ntchito yozindikira mukamagwiritsa ntchito CTSU yosungidwa m'mapulogalamu a Renesas.
TOUCH module	Chigawo cha TOUCH middleware chomwe chitha kuphatikizidwa pogwiritsa ntchito Smart Configurator.
r_ctsu gawo	Dalaivala wa CTSU akuwonetsedwa mu Smart Configurator.
rm_touch gawo	Module ya TOUCH yowonetsedwa mu Smart Configurator
CCO	Current Control Oscillator. The oscillator panopa ankalamulira ntchito mu capacitive kukhudza masensa. Zinalembedwanso ngati ICO m'malemba ena.
ICO	Zofanana ndi CCO.
Mtengo wa TSCAP	Capacitor yokhazikika ya CTSU mkati voltage.
Dampndi resistor	Chotsutsa chimagwiritsidwa ntchito kuchepetsa kuwonongeka kwa pini kapena zotsatira chifukwa cha phokoso lakunja. Kuti mudziwe zambiri, onani Buku la Capacitive Touch Electrode Design Guide (R30AN0389).
VDC	Voltagndi Down Converter. Magetsi ozungulira magetsi a capacitive sensor muyeso wopangidwa mu CTSU.
Kuyeza kwa ma frequency angapo	Ntchito yomwe imagwiritsa ntchito mawotchi angapo a sensor unit okhala ndi ma frequency osiyanasiyana kuyeza kukhudza; zimasonyeza ntchito yoyezera mawotchi ambiri.
Sensor drive pulse	Chizindikiro chomwe chimayendetsa capacitor yosinthidwa.
Synchronous phokoso	Phokoso pama frequency omwe amafanana ndi sensor drive pulse.
Mtengo wa EUT	Zida Zoyesedwa. Imawonetsa chipangizocho kuti chiyesedwe.
LDO	Low Dropout Regulator
PSRR	Kukanidwa kwa Magetsi
FSP	Flexible Software Package
FIT	Firmware Integration Technology.
SIS	Software Integration System

Mbiri Yobwereza

Rev.	Tsiku	Kufotokozera
		Tsamba	Chidule
1.00	Meyi 31, 2023	–	Kukonzanso koyamba
2.00	Dec 25, 2023	–	Zithunzi za IEC61000-4-6
		6	Adawonjezera phokoso lamtundu wamba ku 2.2
		7	Zinthu zowonjezedwa ku Table 2-5
		9	Mawu osinthidwa mu 3.1, okonzedwa Chithunzi 3-1
			Mawu osinthidwa mu 3-2
		10	Mu 3.3.1, malemba osinthidwa ndikuwonjezera Chithunzi 3-4. Mafotokozedwe ochotsedwa amomwe mungasinthire makonzedwe a miyeso ya ma frequency angapo ndikuwonjezera kufotokozera kwa ma frequency a interfrequency muyeso wosokoneza Chithunzi 3-5e3-5.
		11	Zolemba zowonjezeredwa ku 3.2.2
		14	Cholemba chowonjezera chokhudza kulumikizana kwa TSCAP capacitor GND ku 4.1.2.2
		15	Cholemba chowonjezera chokhudza kapangidwe ka ngodya za waya ku 4.2.2
		16	Kuwonjezedwa kwa 4.3 Kuwongolera Phokoso
		18	Gawo 5 lasinthidwa.

Kusamala Kwanthawi Zonse Posamalira Microprocessing Unit ndi Microcontroller Unit Products

Zolemba zotsatirazi zikugwira ntchito kuzinthu zonse za Microprocessing ndi Microcontroller unit zochokera ku Renesas. Kuti mudziwe zambiri za kagwiritsidwe ntchito kazinthu zomwe zalembedwa m'chikalatachi, onani magawo ofunikira a chikalatacho komanso zosintha zilizonse zaukadaulo zomwe zaperekedwa.

1. Kusamala motsutsana ndi Electrostatic Discharge (ESD)
   Mphamvu yamagetsi yamphamvu, ikalumikizidwa ndi chipangizo cha CMOS, imatha kuwononga oksidi pachipata ndipo pamapeto pake imasokoneza magwiridwe antchito a chipangizocho. Masitepe ayenera kuchitidwa kuti aletse kutulutsa magetsi osasunthika momwe angathere, ndikuchotsa mwachangu zikachitika. Kuwongolera chilengedwe kuyenera kukhala kokwanira. Mukawuma, muyenera kugwiritsa ntchito humidifier. Izi ndizoyenera kupewa kugwiritsa ntchito ma insulators omwe amatha kupanga mosavuta magetsi osasunthika. Zipangizo za semiconductor ziyenera kusungidwa ndi kunyamulidwa mu chidebe chotsutsa ma static, thumba lotchingira lokhazikika, kapena zinthu zoyendetsera. Zida zonse zoyesera ndi kuyeza kuphatikiza mabenchi ogwirira ntchito ndi pansi ziyenera kukhazikitsidwa. Wogwira ntchitoyo ayeneranso kumangidwa pansi pogwiritsa ntchito lamba pamanja. Zida za semiconductor siziyenera kugwidwa ndi manja opanda kanthu. Kusamala kofananako kuyenera kuchitidwa pama board osindikizira okhala ndi zida zokwera za semiconductor.
2. Kukonza pa kuyatsa
   Chikhalidwe cha mankhwala sichidziwika panthawi yomwe mphamvu imaperekedwa. Maiko a mabwalo amkati mu LSI ndi osadziwika ndipo maiko a zolembera ndi ma pini sakudziwika panthawi yomwe mphamvu imaperekedwa. Mu mankhwala omalizidwa kumene chizindikiro chobwezeretsanso chimagwiritsidwa ntchito pa pini yokonzanso kunja, zigawo za pini sizikutsimikiziridwa kuyambira nthawi yomwe mphamvu imaperekedwa mpaka kukonzanso kutsirizidwa. Mofananamo, zigawo za zikhomo muzinthu zomwe zimakonzedwanso ndi ntchito ya-chip-power-on reset sizitsimikiziridwa kuyambira nthawi yomwe mphamvu imaperekedwa mpaka mphamvu ikufika pamlingo womwe kukonzanso kwatchulidwa.
3. Kulowetsa kwa chizindikiro panthawi yozimitsa magetsi
   Osalowetsa ma siginecha kapena kukoka mphamvu ya I/O pomwe chipangizocho chazimitsidwa. Jakisoni wapano womwe umabwera chifukwa cha kuyika kwa siginecha yotere kapena mphamvu yokoka ya I/O imatha kupangitsa kuti isagwire bwino ntchito ndipo mphamvu yamagetsi yomwe imadutsa pa chipangizocho panthawiyi ingayambitse kuwonongeka kwa zinthu zamkati. Tsatirani chitsogozo cha chizindikiro cholowetsamo panthawi yozimitsa monga momwe zafotokozedwera muzolemba zamalonda anu.
4. Kugwira zikhomo zosagwiritsidwa ntchito
   Gwirani zikhomo zomwe sizinagwiritsidwe ntchito motsatira njira zomwe zaperekedwa pogwira zikhomo zomwe sizinagwiritsidwe ntchito m'bukuli. Ma pini olowera azinthu za CMOS nthawi zambiri amakhala m'malo ovuta kwambiri. Pogwira ntchito ndi pini yosagwiritsidwa ntchito pamalo otseguka, phokoso lowonjezera lamagetsi limapangidwira pafupi ndi LSI, kuwombera komwe kumagwirizanako kumayenda mkati, ndipo kusokonezeka kumachitika chifukwa cha kuzindikira kwabodza kwa pini ngati chizindikiro cholowetsa. kukhala zotheka.
5. Zizindikiro za wotchi
   Mukayika kukonzanso, ingotulutsani mzere wokhazikitsanso chizindikiro cha wotchiyo chikakhazikika. Mukasintha chizindikiro cha wotchi panthawi ya pulogalamu, dikirani mpaka chizindikiro cha wotchiyo chikhazikike. Pamene chizindikiro cha wotchi chimapangidwa ndi resonator yakunja kapena kuchokera ku oscillator yakunja panthawi yokonzanso, onetsetsani kuti mzere wokonzanso umangotulutsidwa pambuyo pa kukhazikika kwathunthu kwa chizindikiro cha wotchi. Kuonjezera apo, mukamasinthira ku chizindikiro cha wotchi chomwe chimapangidwa ndi resonator yakunja kapena ndi oscillator yakunja pamene pulogalamu ikuchitika, dikirani mpaka chizindikiro cha wotchiyo chikhale chokhazikika.
6. Voltage application waveform pa pini yolowera
   Kusokonekera kwa ma waveform chifukwa cha phokoso lolowera kapena mafunde owoneka bwino angayambitse kusagwira ntchito. Ngati kulowetsa kwa chipangizo cha CMOS kumakhala pakati pa VIL (Max.) ndi VIH (Min.) chifukwa cha phokoso, chifukwaampndi, chipangizo mwina wonongeka. Samalani kuti muteteze phokoso loyankhulana kuti lilowe mu chipangizochi pamene mulingo wolowera wakhazikika, komanso mu nthawi ya kusintha pamene mlingo wolowera umadutsa pakati pa VIL (Max.) ndi VIH (Min.).
7. Kuletsa kupeza ma adilesi osungidwa
   Kufikira kumaadiresi osungidwa ndikoletsedwa. Ma adilesi osungidwa amaperekedwa kuti awonjezere ntchito zamtsogolo. Osapeza ma adilesi awa chifukwa kugwira ntchito moyenera kwa LSI sikutsimikizika.
8. Kusiyana kwa mankhwala
   Musanasinthe kuchokera ku chinthu china kupita ku china, mwachitsanzoample, ku chinthu chokhala ndi gawo lina la nambala, tsimikizirani kuti kusintha sikubweretsa mavuto. Makhalidwe a micro processing unit kapena microcontroller unit katundu mu gulu lomwelo koma kukhala ndi gawo losiyana nambala akhoza kusiyana malinga ndi kukula kwa kukumbukira mkati, dongosolo la masanjidwe, ndi zinthu zina, zomwe zingakhudze mitundu yosiyanasiyana yamagetsi, monga makhalidwe. , malire ogwiritsira ntchito, chitetezo ku phokoso, ndi kuchuluka kwa phokoso lotulutsa. Mukasintha kukhala chinthu chokhala ndi nambala yosiyana, yesani kuyesa kuwunika kwadongosolo la chinthu chomwe mwapatsidwa.

Zindikirani

1. Mafotokozedwe a mabwalo, mapulogalamu, ndi zidziwitso zina zokhudzana ndi chikalatachi zaperekedwa kuti ziwonetsetse magwiridwe antchito azinthu zama semiconductor ndi kugwiritsa ntchito kale.amples. Muli ndi udindo wonse pakuphatikizidwa kapena kugwiritsa ntchito zina zilizonse zamabwalo, mapulogalamu, ndi chidziwitso pamapangidwe azinthu kapena makina anu. Renesas Electronics imakana chiwongola dzanja chilichonse pakuwonongeka kulikonse komanso kuwonongeka komwe mungakumane nako kapena anthu ena chifukwa chogwiritsa ntchito mabwalo, mapulogalamu, kapena zambiri.
2. A Renesas Electronics akutsutsa mwatsatanetsatane zitsimikizo zilizonse zotsutsana ndi zomwe zikuphwanya kapena zonena zina zilizonse zokhudzana ndi ma patent, kukopera, kapena ufulu wina waluntha wa anthu ena, kapena chifukwa chogwiritsa ntchito zinthu za Renesas Electronics kapena zambiri zaukadaulo zomwe zafotokozedwa m'chikalatachi, kuphatikiza koma osati, kuchuluka kwazinthu, zojambula, ma chart, mapulogalamu, ma aligorivimu, ndi ntchito examples.
3. Palibe chilolezo, chofotokozera, chofotokozera, kapena china chilichonse, chomwe chimaperekedwa motsatizana ndi zovomerezeka zilizonse, zokopera, kapena ufulu wina waukadaulo wa Renesas Electronics kapena ena.
4. Mudzakhala ndi udindo wodziwa ziphatso zomwe zimafunidwa kuchokera kwa anthu ena, ndikupeza ziphaso zololeza kutumiza, kutumiza kunja, kupanga, kugulitsa, kugwiritsa ntchito, kugawa, kapena kutaya zina zilizonse zomwe zikuphatikiza zinthu za Renesas Electronics, ngati zingafunike.
5. Simudzasintha, kusintha, kukopera, kapena kusintha mainjiniya chilichonse cha Renesas Electronics, kaya chonse kapena pang'ono. Renesas Electronics imatsutsa mlandu uliwonse pakuwonongeka kulikonse kapena kuwonongeka komwe mungakumane nako kapena anthu ena chifukwa chakusintha, kusinthidwa, kukopera, kapena kubweza uinjiniya.
6. Zogulitsa za Renesas Electronics zimagawidwa molingana ndi magawo awiri awa: "Standard" ndi "High Quality". Zomwe akufunidwa pamtundu uliwonse wa Renesas Electronics zimadalira mtundu wazinthu zomwe zapangidwa, monga zasonyezedwera pansipa.
   “Standard”: Makompyuta; zida zamaofesi; zida zoyankhulirana; zida zoyesera ndi zoyezera; zida zomvera ndi zowonera; zida zamagetsi zapanyumba; zida zamakina; zida zamagetsi zamagetsi; maloboti mafakitale; ndi zina.
   "High Quality": Zida zoyendera (magalimoto, masitima apamtunda, zombo, etc.); kuwongolera magalimoto (magetsi apamsewu); zida zoyankhulirana zazikulu; machitidwe ofunikira azachuma; zida zowongolera chitetezo; ndi zina.
   Pokhapokha ngati zatchulidwa kuti ndi zodalirika kwambiri kapena zopangira madera ovuta mu pepala la Renesas Electronics kapena chikalata china cha Renesas Electronics, Renesas Electronics sichinapangidwe kapena kuloledwa kuti chigwiritsidwe ntchito pazinthu kapena machitidwe omwe angawononge moyo wa munthu. kapena kuvulaza thupi (zida zopangira moyo wothandizira moyo kapena machitidwe; zoikamo opaleshoni; ndi zina zotero) kapena zingayambitse kuwonongeka kwakukulu kwa katundu (dongosolo lamlengalenga; zobwereza pansi pa nyanja; machitidwe olamulira mphamvu za nyukiliya; machitidwe oyendetsa ndege; makina opangira makina ofunikira; zida zankhondo; etc.). Renesas Electronics imakana chiwongola dzanja chilichonse pakuwonongeka kapena kuwonongeka kulikonse komwe mungakumane nako kapena wina aliyense chifukwa chogwiritsa ntchito chinthu chilichonse cha Renesas Electronics chomwe sichikugwirizana ndi pepala lililonse la Renesas Electronics, buku la ogwiritsa ntchito, kapena chikalata china cha Renesas Electronics.
7. Palibe mankhwala a semiconductor omwe ali otetezeka. Mosasamala kanthu zachitetezo chilichonse kapena mawonekedwe omwe atha kukhazikitsidwa mu Renesas Electronics hardware kapena mapulogalamu apakompyuta, Renesas Electronics sadzakhala ndi mlandu chifukwa cha chiopsezo chilichonse kapena kuphwanya chitetezo, kuphatikiza koma osangokhala ndi mwayi uliwonse wosaloledwa kapena kugwiritsa ntchito chinthu cha Renesas Electronics kapena dongosolo lomwe limagwiritsa ntchito mankhwala a Renesas Electronics. RENESAS ELECTRONICS SIKUTHANDIZANI KAPENA KUTI AMAKONZEZA ZINTHU ZAMA ELECTRONICS KAPENA ZINTHU ZILIZONSE ZOPANGIDWA POGWIRITSA NTCHITO ZONSE ZA ELECTRONICS ZA RENESAS SIZIDZACHITIKA KAPENA KUCHOKERA KU ZIVUNDU, KUPHUNZITSA, MA VIRUS, KUWONONGA, KUWONONGA, KUWONONGA Mavuto Okhazikika") . RENESAS ELECTRONICS IMASINTHA UDINDO ULIWONSE NDI ONSE KAPENA NTCHITO ZOCHOKERA KUCHOKERA KAPENA ZOKHUDZANA NDI NKHANI ZILI ZONSE. POPOSA KUTHEKA, KAPENA KUKHALA KWAMBIRI CHOLINGA.
8. Mukamagwiritsa ntchito zinthu za Renesas Electronics, tchulani zidziwitso zaposachedwa kwambiri (mapepala, zolemba za ogwiritsa ntchito, zolemba zamagwiritsidwe ntchito, "Zolemba Zonse Zokhudza Kugwira ndi Kugwiritsa Ntchito Zida Zogwiritsa Ntchito Semiconductor" mu bukhu lodalirika, ndi zina zotero), ndikuwonetsetsa kuti zogwiritsiridwa ntchito zili mkati mwa migawo. zomwe zafotokozedwa ndi Renesas Electronics zokhudzana ndi ma ratings apamwamba, magetsi ogwiritsira ntchito voltagmitundu, mawonekedwe a kutentha, kuyika, ndi zina zotero. Renesas Electronics imakana udindo uliwonse pazovuta zilizonse, kulephera, kapena ngozi yobwera chifukwa chogwiritsa ntchito zinthu za Renesas Electronics kunja kwa mindandanda yotereyi.
9. Ngakhale Renesas Electronics imayesetsa kupititsa patsogolo kudalirika komanso kudalirika kwa zinthu za Renesas Electronics, zinthu za semiconductor zimakhala ndi mawonekedwe apadera, monga kulephera pamlingo wina komanso kulephera kwazinthu zina. Pokhapokha atasankhidwa kukhala chinthu chodalirika kwambiri kapena chopangira madera ovuta mu pepala la data la Renesas Electronics kapena chikalata china cha Renesas Electronics, zinthu za Renesas Electronics sizingagwirizane ndi kapangidwe kake ka radiation. Muli ndi udindo wokhazikitsa chitetezo kuti muteteze kuvulala, kuvulala kapena kuwonongeka chifukwa cha moto, komanso/kapena ngozi kwa anthu ngati zinthu za Renesas Electronics zalephereka kapena zitasokonekera, monga kapangidwe ka chitetezo cha hardware ndi mapulogalamu, kuphatikizapo koma osati kuperewera, kuwongolera moto, ndi kupewa kusagwira ntchito bwino, chithandizo choyenera cha ukalamba kapena njira zina zoyenera. Chifukwa kuwunika kwa pulogalamu yamakompyuta ang'onoang'ono kokha ndikovuta kwambiri komanso kosatheka, muli ndi udindo wowunika chitetezo chazinthu zomaliza kapena makina opangidwa ndi inu.
10. Chonde lemberani ofesi yogulitsa ya Renesas Electronics kuti mumve zambiri zazachilengedwe monga kuyanjana kwachilengedwe kwa chinthu chilichonse cha Renesas Electronics. Muli ndi udindo wofufuza mosamala komanso mokwanira malamulo ndi malamulo okhudza kuphatikizika kapena kugwiritsiridwa ntchito kwa zinthu zolamulidwa, kuphatikizapo popanda malire, EU RoHS Directive, ndi kugwiritsa ntchito zinthu za Renesas Electronics motsatira malamulo ndi malangizowa. Renesas Electronics imachotsa mlandu uliwonse pakuwonongeka kapena kutayika komwe kumachitika chifukwa chakusagwirizana ndi malamulo ndi malamulo omwe akugwira ntchito.
11. Zogulitsa ndi matekinoloje a Renesas Electronics sizidzagwiritsidwa ntchito kapena kuphatikizidwa muzinthu zilizonse zomwe kupanga, kugwiritsa ntchito, kapena kugulitsa ndikoletsedwa pansi pa malamulo kapena malamulo anyumba kapena akunja. Mudzatsatira malamulo ndi malamulo aliwonse oyendetsera katundu omwe atulutsidwa ndi kutsogozedwa ndi maboma a mayiko aliwonse omwe ali ndi mphamvu pa maphwando kapena zochitika.
12. Ndi udindo wa wogula kapena wogawa zinthu za Renesas Electronics, kapena wina aliyense amene amagawa, kutaya, kapena kugulitsa kapena kusamutsa malonda kwa munthu wina, kuti adziwitse gulu lachitatu pasadakhale zomwe zili mkati ndi zomwe zafotokozedwa mu chikalata ichi.
13. Chikalatachi sichidzasindikizidwanso, kupangidwanso, kapena kubwerezedwa mwanjira iliyonse, yonse kapena mbali zake, popanda chilolezo cholembedwa cha Renesas Electronics.
14. Chonde lemberani ofesi yogulitsa ya Renesas Electronics ngati muli ndi mafunso okhudzana ndi zomwe zili mu chikalatachi kapena zinthu za Renesas Electronics.

• (Chidziwitso1) "Renesas Electronics" monga momwe agwiritsidwira ntchito m'chikalatachi amatanthauza Renesas Electronics Corporation ndipo imaphatikizaponso mabungwe ake omwe amayendetsedwa mwachindunji kapena mwanjira ina.
• (Chidziwitso2) "Renesas Electronics product(s)" amatanthauza chinthu chilichonse chopangidwa kapena chopangidwa ndi kapena cha Renesas Electronics.

Likulu Lamakampani
TOYOSU FORESIA, 3-2-24 Toyosu, Koto-ku, Tokyo 135-0061, Japan www.renesas.com

Zizindikiro
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RENESAS RA2E1 Capacitive Sensor MCU [pdf] Buku Logwiritsa Ntchito RA2E1, RX Family, RA Family, RL78 Family, RA2E1 Capacitive Sensor MCU, RA2E1, Capacitive Sensor MCU, Sensor MCU

Maumboni

• Buku Logwiritsa Ntchito