●Itekhnoloji yeCMOS yeCMOS eSebenza ngokuPhezulu
○I-25-ns yoMjikelo weXesha loMyalelo (40 MHz)
○40-MIPS Ukusebenza
○Uyilo lwaMandla aphantsi 3.3-V
●Ngokusekwe kwi TMS320C2xx DSP CPU Core
○IKhowudi-Iyahambelana neF243/F241/C242
○Iseti yomyalelo kunye nemodyuli ehambelana neF240
●I-Flash (LF) kunye neROM (LC) Iinketho zeDivaysi
LF240xA: LF2407A, LF2406A, LF2403A, LF2402A
LC240xA: LC2406A, LC2404A, LC2403A, LC2402A
●Inkumbulo kwiChip
○Ukuya kuthi ga kwi-32K amagama x 16 Bits of Flash EEPROM (4 Amacandelo) okanye iROM
○I-Programmable "Code-Security" Uphawu lwe-On-Chip Flash / ROM
○Ukuya kuthi ga kwi-2.5K Amagama x 16 Bits of Data/Program RAM
◇Amagama angama-544 e-RAM yoFikelelo oluBili
◇Ukuya kuthi ga kwi-2K yaMazwi oFikelelo olunye lwe-RAM
●I-ROM yokuQalisa (izixhobo zeLF240xA)
○SCI/SPI Bootloader
●Ukuya kuthi ga kwiiModyuli eziMbini zoMphathi-Msitho (EV) (EVA kunye ne-EVB), nganye ibandakanya:
○Izibali-xesha ezimbini ze-16-Bit General-Purpose
○Imijelo esibhozo ye-16-Bit Pulse-Width Modulation (PWM) Eyenza isebenze:
◇Ulawulo lwesiguquli seSigaba esiThathu
◇Iziko- okanye uMji-Ulungelelwaniso lwemijelo ye-PWM
◇Ukuvalwa kweSitishi sePWM esiNgxamisekileyo NgePin yePDPINTx yangaphandle
○I-Deadband e-Programmable (ixesha lokufa) iNqanda i-Shoot-Through Falls
○IiYunithi zokuThatha eziNtathu zokuFakwa kweXesha leMisitho yaNgaphandle
○Igalelo Elifanelekileyo lokuKhetha Izikhonkwane
○Kwi-Chip Position Encoder Interface Circuitry
○Uguqulo oludityanisiweyo lwe-A-to-D
○Yenzelwe i-AC Induction, i-BLDC, i-Reluctance eTshintshiweyo, kunye ne-Stepper Motor Control
○Isebenza kwiiMoto ezininzi kunye/okanye noLawulo lokuGuqulela
●Ujongano Lwenkumbulo Yangaphandle (LF2407A)
○192K Amagama x 16 Bits of Total Memory: 64K Programme, 64K Data, 64K I/O
●I-Watchdog (WD) Imodyuli yexesha
●I-10-Bit Analog-to-Digital Converter (ADC)
○I-8 okanye i-16 ye-Input Input Channels
○I-500 ns MIN Ixesha lokuguqulwa
○I-Twin 8-State Sequencers eKhethekileyo eQinisekiswe ngabaphathi beminyhadala ababini
●Inethiwekhi yendawo yoLawulo (CAN) 2.0B Imodyuli (LF2407A, 2406A, 2403A)
●Uthotho loNxibelelwano ujongano (SCI)
●I-16-Bit Uthotho lwe-Peripheral Interface (SPI) (LF2407A, 2406A, LC2404A, 2403A)
●ISigaba-Sitshixiwe-Isitshixo (PLL)-IsiZukulwana seKloko eSekwe
●Ukuya kuthi ga kwi-40 yoMntu eLungiselelayo, iMultiplexed General-Purpose Input/Output (GPIO) Izikhonkwane
●Ukuya kuthi ga kwiZiphazamiso eziHlanu zaNgaphandle (uKhuseleko lokuQhuba amandla, ukuSeta kwakhona, iziphazamiso ezimbini eziMaskable)
●Ulawulo lwamandla:
○Iimowudi eziNtathu zoMbane
○Ukukwazi ukwenza Power Down Nganye peripheral ngokuzimeleyo
●Ixesha lokwenyani iJTAG-Ithobelana neScan-Sekwe kukulinganisa, iIEEE uMgangatho 1149.1 (JTAG)
●Izixhobo zoPhuhliso zibandakanya:
○Texas Instruments (TI) ANSI C Compiler, Assembler/Linker, kunye Code Composer Studio™;Debugger
○Iimodyuli zoVavanyo
○Ukuzilinganisa okuSekwe kwiSkena (XDS510™;)
○Inkxaso yoLawulo lweeMoto eziBanzi zeQela leSithathu
●Iinketho zokupakisha
○I-144-Pin LQFP PGE (LF2407A)
○I-100-Pin LQFP PZ (2406A, LC2404A)
○I-64-Pin TQFP PAG (LF2403A, LC2403A, LC2402A)
○64-Pin QFP PG (2402A)
●Iinketho Zobushushu Ezandisiweyo (A no S)
○A: -40°C ukuya kuma-85°C
○S: -40°C ukuya ku-125°C
I-Code Composer Studio kunye ne-XDS510 ziimpawu zorhwebo ze-Texas Instruments.
Ezinye iimpawu zokuthengisa ziyipropati yabanini bazo.
IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port
I-TMS320C24x, TMS320C2000, TMS320, kunye ne-C24x ziimpawu zorhwebo ze-Texas Instruments.
Izixhobo ze-TMS320LF240xA kunye ne-TMS320LC240xA, amalungu amatsha e-TMS320C24x™;ukuveliswa kwenkqubo yomqondiso wedijithali (DSP) abalawuli, bayinxalenye ye-TMS320C2000™;iqonga le-fixed-point DSPs.Izixhobo ze-240xA zibonelela nge-TMS320™ ephuculweyo;Uyilo loyilo lwe-DSP lwe-C2xx engundoqo ye-CPU yexabiso eliphantsi, amandla aphantsi, kunye nezakhono zokusetyenzwa okuphezulu.Iiperipherals ezininzi eziphambili, ezilungiselelwe iimoto zedijithali kunye nezicelo zolawulo lwentshukumo, ziye zadityaniswa ukuze zinike isilawuli se-DSP sokwenyani esisodwa.Ngelixa ikhowudi-ihambelana neC24x™ ekhoyo;Izixhobo zokulawula i-DSP, i-240xA inikezela ngokunyuka kokusebenza kokusebenza (i-40 MIPS) kunye nenqanaba eliphezulu lokuhlanganiswa kweeperipheral.Jonga icandelo lesiShwankathelo sesiXhobo TMS320x240xA kwiifitsha ezithile zesixhobo.
Isizukulwana se-240xA sinikeza uluhlu lweememori zobungakanani kunye neeperipherals ezahlukeneyo ezilungiselelwe ukuhlangabezana nexabiso elithile / amanqaku okusebenza afunekayo kwizicelo ezahlukeneyo.Izixhobo ezidanyazayo ukuya kuthi ga kwi-32K yamagama zibonelela ngesisombululo esinexabiso elisebenzayo elinokuphinda lilungiselelwe ukuveliswa kwevolumu.Izixhobo ze-240xA zibonelela ngegama eliyimfihlo elithi "ukhuseleko lwekhowudi" oluluncedo ekuthinteleni ukuphindaphinda okungagunyaziswanga kwekhowudi yobunini egcinwe kwi-chip Flash/ROM.Qaphela ukuba izixhobo ezisekelwe kwi-Flash ziqulethe i-256-word boot ROM ukuququzelela inkqubo ye-circuit.Intsapho ye-240xA iquka izixhobo ze-ROM ezixhomekeke ngokupheleleyo kwi-pin-to-pin ehambelanayo kunye neFlash counterparts.
Zonke izixhobo ze-240xA zibonelela ubuncinane imodyuli yomphathi wesiganeko enye elungiselelwe ulawulo lweemoto zedijithali kunye nokusetyenziswa kokuguqulwa kwamandla.Izakhono zale modyuli ziquka i-central-kunye / okanye i-edge-aligned PWM generation, i-programmable deadband ukukhusela ukudubula-ngokusebenzisa iimpazamo, kunye nokuguqulwa kwe-analog-to-digital.Izixhobo ezinabaphathi beziganeko ezimbini zenza ukuba iimoto ezininzi kunye / okanye ziguqule ulawulo kunye nomlawuli omnye we-240xA DSP.Izikhonkwane ze-EV ezikhethiweyo zibonelelwe nge-"input-qualifier" yesekethe, enciphisa i-pin-triggering ye-input by glitches.
I-high-performance, i-10-bit analog-to-digital converter (ADC) inexesha elincinci lokuguqulwa kwe-375 ns kwaye inikezela ukuya kwii-16 iziteshi ze-analog input.I-autosequencing capability ye-ADC ivumela ubuninzi beenguqu ze-16 ukuba zenzeke kwiseshoni enye yokuguqulwa ngaphandle kwe-CPU ephezulu.
I-interface yonxibelelwano lwe-serial (SCI) idityaniswe kuzo zonke izixhobo ukubonelela ngonxibelelwano lwe-asynchronous kwezinye izixhobo kwinkqubo.Kwiinkqubo ezifuna unxibelelwano olongezelelweyo lonxibelelwano, i-2407A, 2406A, 2404A, kunye ne-2403A inikezela nge-16-bit synchronous serial peripheral interface (SPI).I-2407A, 2406A, kunye ne-2403A inikezela ngemodyuli yonxibelelwano yendawo yomlawuli (CAN) edibana neenkcukacha ze-2.0B.Ukwandisa ukuguquguquka kwesixhobo, izikhonkwane ezisebenzayo zikwaqwalaselwe njengeegalelo/iziphumo zenjongo jikelele (GPIOs).
Ukulungelelanisa ixesha lophuhliso, i-JTAG-ehambelanayo ne-scan-based emulation idibaniswe kuzo zonke izixhobo.Oku kubonelela ngezakhono zexesha langempela ezingaphazamisi ezifunekayo ukulungisa iinkqubo zolawulo lwedijithali.Uluhlu olupheleleyo lwezixhobo zokuvelisa ikhowudi ukusuka kubahlanganisi C ukuya kushishino olusemgangathweni weCode Composer Studio™;idebugger ixhasa olu sapho.Abaphuhlisi abaninzi beqela lesithathu ababoneleli kuphela izixhobo zophuhliso lwenqanaba lesixhobo, kodwa kunye noyilo lwenqanaba lenkqubo kunye nenkxaso yophuhliso.
1. Ngoobani abasebenzi kwisebe lakho le-R & D?Ziziphi iziqinisekiso zakho?
-R & D UMlawuli: yenza isicwangciso sexesha elide seR & D senkampani kwaye ubambe isikhokelo sophando kunye nophuhliso;Ukukhokela kunye nokulawula isebe le-r&d ukuphumeza isicwangciso se-r&d yenkampani kunye nesicwangciso sonyaka se-R&D;Lawula inkqubela phambili yophuhliso lwemveliso kwaye uhlengahlengise isicwangciso;Misela uphando lwemveliso egqwesileyo kunye neqela lophuhliso, uphicotho kunye noqeqesho olunxulumene nabasebenzi bobugcisa.
Umphathi we-R & D: yenza imveliso entsha ye-R & D isicwangciso kwaye ubonise ukwenzeka kwesicwangciso;Ukongamela kwaye ulawule inkqubela kunye nomgangatho womsebenzi we-r&d;Phanda ngophuhliso lwemveliso entsha kwaye ucebise izisombululo ezisebenzayo ngokweemfuno zabathengi kwiinkalo ezahlukeneyo
Abasebenzi be-R&d: ukuqokelela kunye nokusombulula iinkcukacha eziphambili;inkqubo yeKhompyutha;Ukuqhuba iimvavanyo, iimvavanyo kunye nohlalutyo;Lungisa izixhobo kunye nezixhobo zovavanyo, iimvavanyo kunye nohlalutyo;Ukurekhoda idatha yokulinganisa, yenza izibalo kwaye ulungiselele iitshathi;Yenza uphando lwamanani
2. Yintoni uphando lwakho lwemveliso kunye nombono wophuhliso?
-Umbono wemveliso kunye nokukhethwa kwemveliso kunye novavanyo lwenkcazo yemveliso kunye noyilo lwesicwangciso seprojekthi kunye novavanyo lwemveliso kunye nokuqinisekiswa kokuqaliswa kwintengiso