Tlhokomeliso ea Kopo
Lelapa la Renesas RA
Tshebetso e phahameng ka
RA8 MCU e sebelisang Arm®
CortexM85 konokono e nang le Helium™
Selelekela
Molaetsa ona oa ts'ebeliso o hlalosa ts'ebetso ea lits'ebetso tse nang le ts'ebetso e ntlafalitsoeng ka Renesas RA8 MCUs tse sebelisang Cortex-M85 (CM85) core le Helium™. E reretsoe ho totobatsa advan ea ts'ebetsotaglikarolo tsa mantlha tsa Arm® Cortex-M85, ho kenyelletsa ts'ebetso e tlase ea latency. Helium, Arm's M-Profile katoloso ea vector e nang le ts'ehetso ea lintlha tse felletseng le tse phaphametseng e thusa bokhoni bo tsoetseng pele ba Digital Signal Processing (DSP), ho Ithuta ka Mochine (ML) mme e thusa ho potlakisa lits'ebetso tse matla haholo tse kang endpoint Artificial Intelligence (AI), ML.
Sengoloa sena sa kopo se u tsamaisa mehatong eohle e hlokahalang ho fihlela ts'ebetso e phahameng, ho kenyelletsa:
- Kopo e fetileview
- Lintlha-khōlō tsa kopo
- Tokiso ea lisebelisoa
- Netefatso ea kopo
Lisebelisoa tse Hlokehang
Lisebelisoa tsa Nts'etsopele le Software
- IAR Embedded Workbench (IAR EWARM) mofuta 9.40.1.63915 kapa hamorao
- Renesas Flexible Software Package (FSP) v5.0.0 kapa hamorao.
Lisebelisoa
- Renesas EK-RA8M1 kit (RA8M1 MCU Group)
Libukana tsa Litšupiso
- RA Flexible Software Package Documentation Release v5.0.0
- Buka ea Mosebelisi ea Renesas RA8M1 ea Sehlopha Rev.1.0
- Litsebi tsa EK-RA8M1-v1.0
Kopo e Felletseview
Merero ea kopo e tsamaeang le tokomane ena e bonts'a advan ea ts'ebetsotagRenesas RA8 MCU e nang le CM85 core. Helium intrinsics le mesebetsi ea Laebrari ea Arm® CMSIS DSP li tšoailoe ho totobatsa lintlafatso khahlano le mofuta oa scalar oa lintlha tsena tsa mantlha.
Lisebelisoa li boetse li sebelisa Tightly Coupled Memory (TCM) le cache hammoho le Helium bakeng sa ntlafatso e tsoelang pele ea ts'ebetso.
Arm® Cortex® -M85 Core le Helium™ Technology
Theknoloji ea Arm® Helium™ ke M-profile Katoloso ea Vector (MVE) bakeng sa letoto la processor ea Arm Cortex-M. Ke karolo ea meralo ea Arm v8.1-M 'me e thusa bahlahisi ho hlokomela ntlafatso ea ts'ebetso bakeng sa lits'ebetso tsa DSP le ML. Theknoloji ea Helium™ e fana ka ts'ebetso e ntlafalitsoeng e sebelisa Single Instruction Multiple Data (SIMD) ho etsa ts'ebetso e ts'oanang ka nako e le 'ngoe ho data e mengata. Ho na le mefuta e 'meli ea MVE, phapang e felletseng le e phaphametseng:
- MVE-I e sebetsa ho mefuta ea data ea 32-bit, 16-bit, le 8-bit, ho kenyeletsoa Q7, Q15, le Q31.
- MVE-F e sebetsa ho latela boleng ba ntlha e phaphametseng ka halofo-halofo le ka nepo e le 'ngoe.
Ts'ebetso ea MVE e arotsoe ka mokhoa oa orthogonally ka litsela tse peli, litselana, le ho otla. - Litsela
Lane ke karolo ea rejisetara ea vector kapa ts'ebetso. Lintlha tse kentsoeng tseleng li bitsoa element. Litsela tse ngata li ka etsoa ka pina e 'ngoe. Ho na le li-beats tse 'ne ka taelo ea vector. Bophara ba tsela e lumelletsoeng, le ts'ebetso ea litselana ka 'ngoe, ke: - Bakeng sa boholo ba tsela ea 64-bit, beat e etsa halofo ea ts'ebetso ea tsela.
- Bakeng sa boholo ba lane ea 32-bit, beat e sebetsa ka tsela e le 'ngoe.
- Bakeng sa boholo ba lane ea 16-bit, beat e etsa ts'ebetso ea litsela tse peli.
- Bakeng sa boholo ba lane ea 8-bit, beat e etsa mesebetsi e mene ea litselana. - Beats
Beat ke kotara ea ts'ebetso ea vector ea MVE. Hobane bolelele ba vector ke li-bits tse 128, taelo e le 'ngoe ea vector e eketsa taelo e lekanang le ho khomphutha likotoana tse 32 tsa data ea sephetho. Sena se ikemetse ka bophara ba lane. Bakeng sa mohlalaampLe, haeba bophara ba lane e le li-bits tse 8, ho otla ho le mong ha vector ho tla eketsa litaelo tse 'nè tsa 8-bit. Palo ea li-beats bakeng sa tick ka 'ngoe e hlalosa hore na boemo ba meralo bo nchafalitsoe hakae bakeng sa tick ka 'ngoe ea meralo maemong a tloaelehileng. Litsamaiso li arotsoe ka:
- Ka sistimi e otlang ha 'ngoe, ho ka etsahala ho otla ha 'ngoe bakeng sa tike e 'ngoe le e 'ngoe.
- Ka har'a sistimi e otlang habeli, ho ka etsahala ho otla ka makhetlo a mabeli bakeng sa letšoao ka leng.
- Ka har'a sistimi ea quad-beat, ho ka ba le meroalo e mene bakeng sa letšoao ka leng.
Cortex® -M85 e sebelisa sistimi ea ho otla habeli, 'me e ts'ehetsa ho fetella ho fihla ho litaelo tse peli tsa MVE ka nako efe kapa efe e le hore taelo ea MVE e ka fanoa kamora taelo e' ngoe ea MVE ntle le sethala se eketsehileng. Sheba ho Arm® Cortex® -M85 processor Devices bakeng sa lintlha tse ling.
2.1 Arm® Cortex® -M85 konokono
Likarolo tsa mantlha tsa Arm® Cortex® -M85 core ho Renesas RA8 MCU ke tse latelang.
- Nako e phahameng ea ts'ebetso: ho fihla ho 480 MHz
- Arm® Cortex® -M85 konokono
- Phetolelo: (r0p2-00rel0)
- Armv8.1-M ea meralo ea profile
– Armv8-M Security Extension
- Floating Point Unit (FPU) e lumellana le ANSI/IEEE Std 754-2008 Scalar halofo, ts'ebetso e le 'ngoe, le e nepahetseng habeli.
- M-profile Katoloso ea Vector (MVE) Integer, halofo ea ho nepahala, le ntlha e le 'ngoe e phaphametseng ea MVE (MVE-F)
– – Helium™ theknoloji ke M-profile Katoloso ea Vector (MVE) - Setsi sa Tšireletso ea Memori ea Arm® (Arm MPU)
- Mehaho e Sirelelitsoeng ea Memori System (PMSAv8)
- Sireletsehile MPU (MPU_S): libaka tse 8
- MPU e sa sireletsehang (MPU_NS): libaka tse 8 - SysTick selekanyi
- E kenyelletsa li-timers tse peli tsa Systick: Mohlala o sireletsehileng (SysTick_S) le mohlala o sa sireletsehang (SysTick_NS)
- E tsamaisoa ke CPUCLK kapa SYSTICKCLK (MOCO/8). - CoreSight™ ETM-M85
Setšoantšo sa 1 se bontša block diagram ea Arm® Cortex® -M85 core. 
2.2 Renesas RA8 MCU
Sehlopha sa RA8M1 MCU se kenyelletsa konokono ea Arm® Cortex® -M85 ea ts'ebetso e phahameng joalo ka ha ho bonts'itsoe karolong e fetileng ka Helium™ e mathang ho fihla ho 480 MHz e nang le likarolo tse latelang.
- Ho fihla ho 2 MB khoutu ea memori ea flash
- 1 MB SRAM (128 KB ya TCM RAM, 896 KB ya mosebedisi SRAM)
- Octal Serial Peripheral Interface (OSPI)
- Ethernet MAC Controller (ETHERC), USBFS, USBHS, SD/MMC Host Interface
- Lisebelisoa tsa analoge
- Likarolo tsa ts'ireletso le polokeho.
2.3 Taelo e le 'Ngoe ea Lintlha tse ngata
Litaelo tse ngata tsa Arm® ke litaelo tsa Single Instruction Single Data (SISD). Taelo ea SISD e sebetsa feela nthong e le 'ngoe ea data. E hloka litaelo tse ngata ho sebetsana le lintlha tsa data.
Ka lehlakoreng le leng, The Single Instruction Multiple Data (SIMD), ka lehlakoreng le leng, e etsa ts'ebetso e tšoanang linthong tse ngata tsa mofuta o tšoanang oa data, ka nako e le 'ngoe. Ho bolela ho kopa / ho etsa ts'ebetso e le 'ngoe, e mengata e ntse e etsoa ka nako e le ngoe.
Setšoantšo sa 3 se bontša ts'ebetso ea VADD.I32 Qd, Qn, Qm taelo e eketsang lipara tse 'nè tsa data ea 32-bit hammoho. Taba ea pele, lipara tse 'ne tsa data ea 32-bit li pakiloe litseleng tse arohaneng lirejiseteng tse peli tsa 128-bit Qn, Qm. Ebe, tsela e 'ngoe le e' ngoe ho rejista ea mohloli oa 1 e ntan'o eketsoa tseleng e tsamaellanang le ngoliso ea mohloli oa 2. Liphetho li bolokoa ka tsela e ts'oanang bukeng ea sebaka sa Qd.
2.4 Likopo tsa Helium™
Digital Signal Processing (DSP) le Machine Learning (ML) ke tsona tse ka sehloohong tse shebiloeng bakeng sa Helium™. Helium™ e fana ka keketseho e kholo ea ts'ebetso lits'ebetsong tsena. Ka tloaelo, lits'ebetso tsa Helium li entsoe ho sebelisoa Helium intrinsics.
Litaelo tsa Helium li fumaneha e le lits'ebetso tsa mantlha ka arm_mve.h ho instolano ea IAR EWARM, e fumanehang ho IAR Systems\Embedded Workbench xx\arm\inc\c\aarch32. Ba fa basebelisi monyetla oa ho fumana litaelo tsa Helium ho tsoa ho C le C ++ ntle le tlhoko ea ho ngola khoutu ea kopano.
Mesebetsi e mengata lilaeboraring tsa CMSIS-DSP le CMSIS-NN li ntlafalitsoe ke Arm ho sebelisa litaelo tsa Helium. Renesas FSP e ts'ehetsa lilaebrari ka bobeli, e nolofalletsa basebelisi ho etsa lits'ebetso ho latela lilaebrari tsena. Litlhophisong tsa FSP, khetha Mohloli oa Laebrari ea Arm DSP (CMSIS5-DSP mofuta 5.9.0 kapa hamorao) le Arm NN Library Source (CMSIS-NN mofuta 4.1.0 kapa hamorao) ha o hlahisa merero ea ho eketsa litšehetso tsa CMSIS-DSP le CMSIS-NN ho morero oa hau. 
CMSIS-DSP le CMSIS-NN le tsona li ka eketsoa ho sebelisoa Stacks tab ho FSP configurator, joalokaha ho bontšitsoe ka tlase.
Tšehetso ea Helium ho Renesas FSP le IAR EWARM
IAR EWARM e tšehetsa litaelo tsa Helium™ ka li-setting tsa compiler. Ha o hlahisa morero oa RA8M1 o sebelisa Renesas RA Smart Configurator le Flexible Software Package (FSP), litlhophiso tsa CPU le lisebelisoa tsa software li lokiselitsoe esale pele bakeng sa Cortex-M85 core le tšehetso ea CMSIS Helium™. Sheba ho Renesas RA Smart Configurator Quick Start Guide bakeng sa ho theha morero oa IAR EWARM bakeng sa RA8 MCU.
Setšoantšo sa 6. Etsa EK-RA8M1 Project u sebelisa Renesas RA Smart Configurator
Cortex-M85 ea mantlha e tla khethoa maemong a IAR EWARM, joalo ka ha ho bonts'itsoe ka tlase. 
Sheba Morero> Likhetho> Likhetho tse akaretsang ho netefatsa hore na SIMD (NEON/HELIUM) e khethiloe.
Leha ho le joalo, litlhophiso tsa projeke li ntlafalitsoe esale pele bakeng sa Cortex-M85, li ka etsoa ha ho hlokahala. Litlhaloso tsa Macro li ka eketsoa ho khetha litlhophiso tsa projeke ho thusa le ho tima likarolo tse ling tsa khoutu morerong oa IAR EWARM. Eya ho Project> Options ho fetola litlhophiso tsa morero haeba ho hlokahala. Litlhophiso tsa projeke li ka netefatsoa ho sebelisoa fensetere ea Haha Melaetsa ho IAR EWARM. Litlhophiso tse ling tsa lintlha tsa RA8 MCU li tšoailoe ka bofubelu ka tlase. 
Morero oa kopo
Ho na le merero e meraro e tsamaeang le molaetsa ona oa kopo. Kaofela ba na le khoutu ea scalar e lekanang le mesebetsi ea Helium.
- Vector Multiply Accumulate (VMLA) le khoutu ea scalar e lekanang.
- Vector Multiply Accumulate Add Accumulate Across Vector (VMLADAVA) le khoutu ea scalar e lekanang.
- Mosebetsi oa ARM DSP Dot Product le khoutu ea scalar e lekanang.
Merero e hlophisitsoe ka maemo a fapaneng ho sebelisa DTCM, ITCM, le cache ho bonts'a ntlafatso ea ts'ebetso ea theknoloji ea Helium ha e bapisoa le khoutu ea scalar.
Tlhophiso e teng bakeng sa morero ka mong ke e latelang. 
Moo I32_SCALAR e leng bakeng sa khoutu ea scalar, I32_HELIUM ke ea Helium code, I32_HELIUM_DTCM ke ea Helium code e sebelisang DTCM, 'me I32_HELIUM_ITCM ke ea Helium code e behiloeng ITCM.
Merero e bukeng ena ea kopo e behiloe ho "Holimo" le "Ho leka-lekana" joalo ka ha ho bonts'itsoe skrineng e latelang. 
Letšoao la _CONFIG_HELIUM_ le behiloe esale pele ho khetha ts'ebetso ea scalar, Helium Operation, kapa ho nolofalletsa khoutu ho sebelisa DTCM le ITCM.
4.1 Vector Multiply Bokella Taelo VMLA Example Litaelong tsa VMLA, ntho e 'ngoe le e' ngoe ho vector2 ea ho kenya e atolosoa ke boleng ba scalar. Sephetho se eketsoa
ho karolo e fapaneng ea vector1. Liphetho li bolokoa bukeng ea sebaka seo u eang ho sona.
Mehato ea VMLA.S32 Qda, Qn, Rm taeo e bontšitsoe setšoantšong se latelang.
Ts'ebetso ea kahare ea vmlag_n_s32 ho Setšoantšo sa 15 e sebelisetsoa ho bonts'a ts'ebetso ea VMLA.S32 Qda, Qn, Rm taeo khahlano le scalar e lekanang.
Setšoantšo sa 16 se bonts'a khoutu ea scalar e lekanang le khoutu ea Helium ho Setšoantšo sa 15. 
4.2 Taelo ea Vector VMLADAVA Example
Taelo ea VMLADAVA e atisa litsela tse tsamaellanang tsa li-vector tse peli, ebe e akaretsa liphetho tsena ho hlahisa boleng bo le bong.
Mehato ea VMLADAVA.S32 Rda, Qn, Qm taeo e bonts'itsoe setšoantšong se latelang.
Ts'ebetso ea kahare ea vmladavaq_s32 ho Setšoantšo sa 18 e sebelisetsoa ho bonts'a ts'ebetso ea VMLADAVA.S32 Rda, Qn, Qm taeo khahlano le scalar e lekanang.
Setšoantšo sa 19 se bontša khoutu ea scalar e lekanang le khoutu ea Helium™ setšoantšong sa 18.
4.3 ARM DSP Dot Product Example
Thepa ea sehlahisoa exampLe sebelisa mosebetsi oa arm_dot_product_f32 ho laeborari ea Arm DSP ho bala sehlahisoa sa matheba sa li-vector tse peli tsa ho kenya ka ho atisa elemente ka element ebe e li akaretsa. Ts'ebetso ea
Phetolelo ea Helium ea arm_dot_product_f32 e tla bapisoa le mofuta oa eona oa scalar.
Renesas Flexible Software Package FSP e tšehetsa Mohloli oa Laebrari ea Arm DSP bakeng sa Cortex-M85 e sebelisang lintho tse ka hare tsa Helium. E tla ntlafatsa ts'ebetso haholo ha e bapisoa le khoutu ea scalar. Khetha Mohloli oa Laebrari ea Arm DSP ho Setlhophiso sa Morero ho kenya mohloli oa DSP morerong oa hau, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 21.
Tobetsa Hlahisa Litaba tsa Morero, mohloli oa laeborari ea Arm DSP o tla eketsoa morerong.
4.4 Ntlafatso ea Ts'ebetso
U ka sebelisa Tightly Coupled Memory (TCM) le Cache hammoho le Helium™ ho fihlela tšebetso e holimo. Ka tloaelo, TCM e fana ka phihlello ea potoloho e le 'ngoe mme e qoba tieho ea phihlello ea data. Mekhoa ea bohlokoa le data li ka beoa libakeng tsa TCM ho netefatsa phihlello e potlakileng. TCM ha e sebelise li-cache.
4.4.1 Memori e Kopantsoeng Haufi (TCM)
Memori ea 128 KB TCM ho RA8 MCU e na le 64 KB ITCM (Instruction TCM) le 64 KB DTCM (Data TCM). Hlokomela hore ho kena TCM ha ho fumanehe ka mokhoa oa CPU Deep Sleep, Software Standby mode, le Deep Software Standby mode.
Setšoantšo sa 23 se bonts'a ITCM le DTCM ka har'a tsamaiso ea Local CPU.
FSP e qala libaka tsa ITCM le DTCM ka mokhoa o ikhethileng. Sengoloa sa linker se hlalositse likarolo tsa libaka tsa ITCM le DTCM, e leng se etsang hore ho be bonolo ho se sebelisa lits'ebetsong tsa basebelisi.
Setšoantšo sa 24 le sa 25 ke litšoantšo tsa libaka tsa ITCM le DCTM ho RA8 MCU.
4.4.2 Ntlafatsa Tshebetso ka ho Sebelisa DTCM
U ka beha lintlha karolong ea DTCM (.dtcm_data) morerong o thehiloeng ho FSP u sebelisa _attribute_ directive, joalokaha ho bontšitsoe setšoantšong sa 26.
Ho beoa ha data ka holimo ho ka netefatsoa ho sebelisoa 'mapa oa memori o hlahisoang ke moqapi.
4.4.3 Ntlafatsa Ts'ebetso ka ho Sebelisa ITCM
E 'ngoe ea mekhoa ea ho beha likarolo tse ling tsa khoutu karolong ea ITCM (.itcm_data) ke ho sebelisa taelo ea #Pragma, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 28.
O ka netefatsa ho beoa ha khoutu o sebelisa .map file e hlahisoang ke moqapi kapa ho sebelisa Window ea Disassembly ho debugger.
4.5 Ntlafatsa Ts'ebetso ka ho Sebelisa Cache ea Boitsebiso
Ha ts'ebetso e sebelisa loops e telele, e etsa khoutu e ts'oanang khafetsa. Ho feta moo, lits'ebetsong tse ngata, phihlello ea data e ka phetoa hape ea tatellano. Ts'ebetso maemong ana e ka ntlafala haholo ha cache e nolofalitsoe.
Ho FSP, cache ea litaelo e nolofalletsa e etsoa ka mokhoa o bitsoang SystemInit in system.c, joalo ka ha ho bonts'itsoe ho Figure 30 le Figure 31.
Setšoantšo sa 31. Khoutu ea ho nolofalletsa Cache ea Taelo ho FSP
Merero ea ts'ebeliso e na le litlhophiso tsa ho nolofalletsa cache ea data. Beha letšoao la _DCACHE_ENABLE_ molemong oa morero hore le be 1 ho nolofalletsa cache ea data. Leha cache ea data e ntlafatsa ts'ebetso, e ka baka mathata a khokahano le khokahano. Ke mokhoa o motle ho nolofalletsa cache bakeng sa khoutu ea kopo e nang le phihlello khafetsa ho sete e tšoanang ea data. 
Example khoutu ea ho nolofalletsa le ho tima cache ea data e bonts'itsoe ho Figure 33 le Figure 34.
Mokhoa o mong oa ho nolofalletsa cache ea data ke ho sebelisa FSP Configurator: BSP > Properties > Settings > MCU (RA8M1) Family > Cache setting > Cache ya data, jwalo kaha ho bontshitswe ho Figure 35.
4.6 Ho Sebelisa Nako ea Morero o Akaretsang (GPT) bakeng sa Benchmarking
Mererong, GPT0 timer e sebelisoa ho lekanya nako bakeng sa benchmarking ea ts'ebetso.
Netefatsa Morero
5.1 Bula Sebaka sa Mosebetsi sa Morero
Lisebelisoa tsa software tse hlokahalang ho tsamaisa merero ea kopo ke tse latelang:
- IAR Embedded Workbench (IAR EWARM) mofuta 9.40.1.63915 kapa hamorao
- Renesas Flexible Software Package (FSP) v5.0.0 kapa hamorao
- SEGGER RTT Viewer v7.92j kapa hamorao
Ho tloha ho IAR EWARM, bula HELIUM_EK_RA8M1.eww. 
Sebaka sa tšebetso sa HELIUM_EK_RA8M1 se na le mesebetsi e meraro e bitsoang HELIUM_VMLA_EK_RA8M1, HELIUM_VMLADAVA_EK_RA8M1 le HELIUM_DOT_PRODUCT_EK_RA8M1.
Merero e meraro e hlahang sebakeng sa mosebetsi ha e buloa, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 38.
Ho nolofalletsa ts'ehetso ea cache ea data morerong oa ts'ebeliso, fetola _DCACHE_ENABLE_ matšoao ho Options > Preprocessor ho tloha ho 0 ho isa ho 1, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 39.
5.2 Aha Morero
Ho na le litlhophiso tse 'maloa morerong ka mong. Khetha projeke, ebe tlhophiso ea projeke eo u lakatsang ho e etsa pele u ea mohatong o latelang.
Ho IAR EWARM, qala RA Smart Configurator ho tsoa ho Lisebelisoa> RA Smart Configurator, ebe o tobetsa "Hlahisa Litaba tsa Morero" ho hlahisa litaba tsa projeke.
Theha morero o sebetsang ka ho khetha Morero> Etsa kapa Morero> Haha Tsohle Tsohle. 
5.3 Khoasolla le ho Run Project
EK-RA8M1 kit e na le li-switch tse seng kae tse tlamehang ho hlophisoa pele li etsa merero e amanang le molaetsa ona oa ts'ebeliso. Liphetoho tsena li tlameha ho khutlisetsoa ho litlhophiso tsa kamehla ho latela bukana ea mosebelisi ea EK-RA8M1. Ntle le litlhophiso tsena tsa switch, boto e boetse e na le boema-kepe ba USB debug le likhokahano ho fihlella sebopeho sa lenaneo la J-Link.
Lethathamo la 1. Fetolela Litlhophiso tsa EK-RA8M1
| Fetoha | Tlhophiso |
| J8 | Jumper holim'a lithakhisa 1-2 |
| J9 | Bula |
Hokela J10 ho EK-RA8M1 kit ho koung ea USB ho komporo ea hau, bula 'me u qale SEGGER RTT Viewer ka li-setting tse latelang.
Tobetsa Download le Debug ho qala ho tsamaisa morero.
Liphetho tsa ts'ebetso li tla hatisoa ho SEGGER RTT Viewer, joalo ka ha ho bontšitsoe setšoantšong 45.
5.4 Netefatsa Litaelo Tse Hlahisitsoeng Bakeng sa Katoloso ea Helium™
Sebelisa fensetere ea Disassembly ea EWARM ho lekola khoutu ea katoloso ea Helium™ e hlahisitsoeng ke motlalehi oa IAR EWARM.
Setšoantšo sa 46 se bonts'a disassembly ea khoutu ea scalar.
Setšoantšo sa 47 se bonts'a ho qhaqhoa ha khoutu ea Helium e hlahisitsoeng ho sebelisoa katoloso ea Helium™.
5.5 Ts'ebetso ea Benchmarking
Sebelisa "Timer counter cycle" e hatisitsoeng ho SEGGER RTT Viewer bakeng sa benchmarking ea ts'ebetso. E bonts'a hore na ho fetile li-cycle tsa GPT0 tse kae ho tloha ha mosebetsi o etsoa. 
5.5.1 Morero oa VMLAVADA HELIUM_VMLADAVA_EK_RA8M1
Lits'ebetso tsa ts'ebetso ea vmladavaq_s32 litlhophisong tse fapaneng ke tse latelang.
Tse latelang ke lits'ebetso tsa ts'ebetso ea vmlaq_n_s32 e nang le cache ea data e nolofalitsoeng ho litlhophiso tse fapaneng. Ho nolofalletsa cache ea data morerong, ho latela mehato e karolong ea 4.5, e hahe le ho e jarolla.
5.5.2 Morero oa VMLA HELIUM_VMLA_EK_RA8M1
Lits'ebetso tsa ts'ebetso ea vmlaq_n_s32 litlhophisong tse fapaneng ke tse latelang.
Ka tlase ke ts'ebetso ea ts'ebetso ea vmladavaq_s32 e nang le cache ea data e lumelletsoeng litlhophisong tse fapaneng. Ho nolofalletsa cache ea data morerong, ho latela mehato e karolong ea 4.5, e hahe le ho e jarolla.
5.5.3 DSP Dot Product Project HELIUM_DOT_PRODUCT_EK_RA8M1
Lits'ebetso tsa tšebetso ea ARM DSP Dot Product arm_dot_prod_f32 litlhophisong tse fapaneng ke tse latelang.
Ka tlase ke ts'ebetso ea ARM Dot Product arm_dot_prod_f32 e nang le cache ea data e lumelletsoeng litlhophisong tse fapaneng. Ho nolofalletsa cache ea data morerong, ho latela mehato e karolong ea 4.5, e hahe le ho e jarolla.
Qetello
Renesas RA8 MCU e nang le Arm Cortex-M85 e ts'ehetsa ts'ebetso e kholo ea scalar. Ho feta moo, ts'ehetso ea Tightly Coupled Memory (TCM) ho Renesas FSP e nolofalletsa ho sebelisa Helium intrinsics le TCM bakeng sa ntlafatso e eketsehileng.
Websebaka le Tšehetso
Etela lefeela le latelang URLs ho ithuta ka lintlha tsa bohlokoa tsa lelapa la RA, ho jarolla likarolo le litokomane tse amanang le tsona, le ho fumana tšehetso.
Boitsebiso ba Sehlahisoa sa RA renesas.com/ra
Forum ea Tšehetso ea Lihlahisoa tsa RA renesas.com/ra/forum
RA Flexible Software Package renesas.com/FSP
Tšehetso ea Renesas renesas.com/support
Nalane ea Phetoho
| Moruti. | Letsatsi | Tlhaloso | |
| Leqephe | Kakaretso | ||
| 1.0 | Oct.25.23 | - | Phetolelo ea pele |
Hlokomela
- Litlhaloso tsa li-circuits, software le lintlha tse ling tse amanang le tsona tokomaneng ena li fanoe feela ho bontša ts'ebetso ea lihlahisoa tsa semiconductor le app ex.amples. U na le boikarabello bo felletseng ba ho kenyelletsa kapa ts'ebeliso efe kapa efe ea lipotoloho, software, le tlhaiso-leseling e mabapi le moralo oa sehlahisoa kapa sistimi ea hau. Renesas Electronics ha e na melato efe kapa efe bakeng sa tahlehelo le litšenyehelo tse bakiloeng ke uena kapa batho ba boraro ka lebaka la tšebeliso ea lipotoloho tsena, software kapa tlhahisoleseling.
- Ka hona, Renesas Electronics e hana ka ho hlaka litiisetso leha e le life khahlanong le molato oa tlolo ea molao kapa liqoso life kapa life tse amang litokelo tsa molao, litokelo tsa litokelo tsa molao, kapa litokelo tse ling tsa mahlale tsa batho ba boraro, ka kapa tse hlahisoang ke ts'ebeliso ea lihlahisoa tsa Renesas Electronics kapa tlhaiso-leseling ea tekheniki e hlalositsoeng tokomaneng ena, ho kenyeletsoa empa ha e felle feela ho, lintlha tsa sehlahisoa, litšoantšo, lichate, mananeo, algorithms, le mohlala oa kopoamples.
- Ha ho laesense, e hlakisitsoeng, e boletsoeng kapa ka tsela e 'ngoe, e fanoang mona tlas'a litokelo tsa litokelo tsa molao kapa litokelo tse ling tsa thepa ea mahlale tsa Renesas Electronics kapa tse ling.
- U tla ba le boikarabello ba ho fumana hore na ke lilaesense life tse hlokehang ho batho ba boraro, le ho fumana lilaesense tse joalo bakeng sa ho reka kantle ho naha, ho romelloa kantle ho naha, ho etsa, ho rekisa, ho sebelisoa, ho ajoa kapa ho lahla lihlahisoa life kapa life tse kenyelletsang lihlahisoa tsa Renesas Electronics, haeba ho hlokahala.
- U se ke ua fetola, ua fetola, ua kopitsa, kapa ua fetola moenjiniere sehlahisoa sefe kapa sefe sa Renesas Electronics, ebang ke ka botlalo kapa karolo e itseng. Renesas Electronics ha e na melato efe kapa efe bakeng sa tahlehelo kapa ts'enyehelo e bakiloeng ke uena kapa batho ba boraro ka lebaka la phetoho e joalo, tokiso, ho kopitsa kapa ho khutlisa boenjiniere.
- Lihlahisoa tsa Renesas Electronics li arotsoe ho latela limaraka tse peli tse latelang tsa boleng: "Standard" le "Boleng bo Phahameng". Lisebelisoa tse reriloeng bakeng sa sehlahisoa ka seng sa Renesas Electronics li ipapisitse le boemo ba boleng ba sehlahisoa, joalo ka ha ho boletsoe ka tlase.
“E Tloaelehileng”: Lik’homphieutha; lisebelisoa tsa ofisi; thepa ea puisano; lisebelisoa tsa tlhahlobo le litekanyo; lisebelisoa tsa molumo le pono; lisebelisoa tsa lapeng tsa elektroniki; lisebelisoa tsa mochini; thepa ea motho ea elektronike; liroboto tsa indasteri; etc.
“Boleng bo Phahameng”: Thepa ea lipalangoang (likoloi, literene, likepe, joalo-joalo); taolo ya sephethephethe (mabone a sephethephethe); lisebelisoa tse kholo tsa puisano; litsamaiso tse kholo tsa lichelete; thepa ea ho laola polokeho; etc.
Ntle le haeba e khethiloe ka ho hlaka e le sehlahisoa se ka tšeptjoang haholo kapa sehlahisoa sa maemo a thata ho leqephe la data la Renesas Electronics kapa tokomane e 'ngoe ea Renesas Electronics, lihlahisoa tsa Renesas Electronics ha lia rereloa kapa ha lia lumelloa ho sebelisoa lihlahisoa kapa lits'ebetsong tse ka behang bophelo ba motho kotsing kapa kotsi ea ’mele (lisebelisoa kapa litsamaiso tsa maiketsetso tse tšehetsang bophelo; ho kenngoa ha ho buuoa; joalo-joalo), kapa ho ka baka tšenyo e khōlō ea thepa (mokhoa oa sepaka-paka; lintho tse pheta-phetoang tlas’a leoatle; litsamaiso tsa taolo ea matla a nyutlelie; litsamaiso tsa taolo ea lifofane; litsamaiso tsa bohlokoa tsa limela; thepa ea sesole; joalo-joalo). Renesas Electronics e hana molato ofe kapa ofe bakeng sa litšenyehelo kapa tahlehelo efe kapa efe e bakiloeng ke uena kapa motho ofe kapa ofe oa boraro ka lebaka la tšebeliso ea sehlahisoa sefe kapa sefe sa Renesas Electronics se sa lumellaneng le leqephe lefe kapa lefe la data la Renesas Electronics, buka ea mosebelisi kapa tokomane e 'ngoe ea Renesas Electronics. - Ha ho sehlahisoa sa semiconductor se bolokehileng ka botlalo. Leha ho na le mehato efe kapa efe ea ts'ireletso kapa likarolo tse ka sebelisoang ho Renesas Electronics hardware kapa lihlahisoa tsa software, Renesas Electronics e ke ke ea ba le molato ho hang ka lebaka la bofokoli bofe kapa bofe kapa tlolo ea ts'ireletso, ho kenyeletsoa empa e sa felle feela ho phihlello efe kapa efe e sa lumelloeng kapa tšebelisong ea sehlahisoa sa Renesas Electronics. kapa sistimi e sebelisang sehlahisoa sa Renesas Electronics. RENESAS ELECTRONICS HA E FUMANE KAPA HA E TIISE HORE E HLAHISA LIHLAHISO TSA ELEKKRONIKE, KAPA LITSAMAISO TSE TSOANG LI SEBELISA LIHLAHISO TSA RENESAS ELECTRONICS E TLA BA LE SEBELETSO KAPA E LOKELA HO TŠONYEHA, HO HLASELA, LIVI, LITŠOANTŠISO, TŠITIRO TSE LING. ). RENESAS ELECTRONICS E HLOKOMELA BOIKARABELO MANG KAPA MANG KAPA MOLATO OA TSOANG KAPA O Amanang le LITABA TSE FANG LE TSA BOHLOKO. HO FETA HO FIHLELA HO FIHLELA HO FIHLELA HO FIHLELA HO TUMELLA KE MOLAO O SEBELISANG, RENESAS ELECTRONICS E IKONELA LITEKELO TSOHLE LE LITIISETSO TSOHLE, TSE HLAHANG KAPA TSE BOLELANG, MABAPI LE TOKOMANE ENA LE SOFTWARE E MANG LE EFE E MANTSOE KAPA E TELEHANG KAPA E SA HLOMANG LE MOLATO, KAPA HO HLOMELA HO HLOKOMELA. PHETHO TS'OANELO.
- Ha u sebelisa lihlahisoa tsa Renesas Electronics, sheba lintlha tsa morao-rao tsa sehlahisoa (maqephe a data, libuka tsa mosebelisi, lintlha tsa ts'ebeliso, "Lintlha Tse akaretsang tsa ho Tšoara le ho Sebelisa Lisebelisoa tsa Semiconductor" bukeng ea ts'epo, joalo-joalo), 'me u netefatse hore maemo a ts'ebeliso a har'a maemo a fapaneng. e boletsoeng ke Renesas Electronics mabapi le litekanyetso tse phahameng, phepelo ea matla a sebetsang voltagmefuta-futa, litšobotsi tsa ho qhala mocheso, ho kenya, joalo-joalo Renesas Electronics ha e na boikarabello bakeng sa ho se sebetse, ho hlōleha kapa kotsi e hlahang ka lebaka la tšebeliso ea lihlahisoa tsa Renesas Electronics ka ntle ho mefuta e joalo e boletsoeng.
- Leha Renesas Electronics e leka ho ntlafatsa boleng le ts'epahalo ea lihlahisoa tsa Renesas Electronics, lihlahisoa tsa semiconductor li na le litšobotsi tse ikhethileng, joalo ka ho hlaha ha ho hloleha ka sekhahla se itseng le ho se sebetse hantle tlasa maemo a itseng a ts'ebeliso. Ntle le haeba e khethiloe e le sehlahisoa se ts'epahalang haholo kapa sehlahisoa sa maemo a thata ho leqephe la data la Renesas Electronics kapa tokomane e 'ngoe ea Renesas Electronics, lihlahisoa tsa Renesas Electronics ha li tlas'a moralo oa ho hanyetsa mahlaseli. U na le boikarabello ba ho kenya ts'ebetsong mehato ea ts'ireletso ho itebela khahlanong le monyetla oa ho tsoa kotsi 'meleng, kotsi kapa tšenyo e bakoang ke mollo, le/kapa kotsi ho sechaba ha ho ka ba le ho hlōleha kapa ho se sebetse hantle ha lihlahisoa tsa Renesas Electronics, tse kang moralo oa tšireletso bakeng sa hardware le. software, ho kenyeletsoa empa e sa felle feela ho fokotseng mosebetsi, taolo ea mollo le thibelo ea ho se sebetse hantle, kalafo e nepahetseng bakeng sa ho senyeha ha botsofali kapa mehato efe kapa efe e nepahetseng. Hobane tlhahlobo ea software ea microcomputer feela e thata haholo ebile ha e sebetse, o na le boikarabello ba ho lekola polokeho ea lihlahisoa kapa lits'ebetso tsa ho qetela tse entsoeng ke uena.
- Ka kopo ikopanye le ofisi ea thekiso ea Renesas Electronics bakeng sa lintlha tse mabapi le litaba tsa tikoloho joalo ka tšebelisano ea tikoloho ea sehlahisoa ka seng sa Renesas Electronics. O na le boikarabelo ba ho fuputsa ka hloko le ka ho lekaneng melao le melawana e sebetsang e laolang ho kenyeletswa kapa tshebediso ya dintho tse laolwang, ho kenyeletswa ntle le moedi, Melao ya RoHS ya EU, le ho sebedisa dihlahiswa tsa Renesas Electronics ho latela melao le melawana ena kaofela e sebetsang. Renesas Electronics ha e na melato efe kapa efe bakeng sa litšenyehelo kapa litahlehelo tse hlahang ka lebaka la ho se latele melao le melawana e sebetsang.
- Lihlahisoa le mahlale a Renesas Electronics li ke ke tsa sebelisoa kapa ho kenyelletsoa lihlahisoa kapa lits'ebetso tseo tlhahiso ea tsona, tšebeliso, kapa thekiso e thibetsoeng tlasa melao kapa melawana e sebetsang ea lapeng kapa kantle ho naha. O tla ikamahanya le melao le melawana efe kapa efe e sebetsang ya taolo ya thomelontle e phatlaladitsweng le ho laolwa ke mebuso ya dinaha dife kapa dife tse nang le matla a ho laola mekga kapa ditransekshene.
- Ke boikarabello ba moreki kapa morekisi oa lihlahisoa tsa Renesas Electronics, kapa mokha ofe kapa ofe ea abang, ea lahlang, kapa ea rekisang kapa ea fetisetsa sehlahisoa ho motho e mong, ho tsebisa motho ea joalo pele ho litaba le maemo a boletsoeng. tokomaneng ena.
- Tokomane ena e ke ke ea hatisoa hape, ea hlahisoa kapa ea kopitsoa ka mokhoa ofe kapa ofe, e feletse kapa e sa fella, ntle le tumello e ngotsoeng pele ea Renesas Electronics.
- Ka kopo ikopanye le ofisi ea thekiso ea Renesas Electronics haeba u na le lipotso mabapi le leseli le leng tokomaneng ena kapa lihlahisoa tsa Renesas Electronics.
(Tlhokomeliso1) "Renesas Electronics" joalo ka ha e sebelisitsoe tokomaneng ena e bolela Renesas Electronics Corporation hape e kenyelletsa lithuso tsa eona tse laoloang ka kotloloho kapa ka tsela e sa tobang.
(Tlhokomeliso2) "Sehlahisoa sa Renesas Electronics" se bolela sehlahisoa sefe kapa sefe se entsoeng kapa se entsoeng ke kapa bakeng sa Renesas Electronics.
Ntlo-kholo ea Tsamaiso
TOYOSU FORESIA, 3-2-24 Toyosu,
Koto-ku, Tokyo 135-0061, Japane
www.renesas.com
Matšoao a khoebo
Renesas le logo ea Renesas ke matšoao a khoebo a Renesas Electronics
Mokhatlo. Matshwao ohle a kgwebo le matshwao a kgwebo a ngodisitsweng ke thepa
tsa beng ba tsona ka ho fapana.
Mokhoa oa puisano
Bakeng sa tlhaiso-leseling e batsi ka sehlahisoa, theknoloji, ea morao-rao ka ho fetesisa
mofuta oa tokomane, kapa ofisi e haufi le uena ea thekiso, ka kopo etela:
www.renesas.com/contact/.
© 2023 Renesas Electronics Corporation. Litokelo tsohle li sirelelitsoe.
Litokomane / Lisebelisoa
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RENESAS RA8 MCU Mosebetsi o Phahameng [pdf] Bukana ea Mosebelisi RA8 MCU High Performance, RA8, MCU High Performance, High Performance, Performance |
