TMS320LF2407APGEA ACTIVE 16-bit DSP, 40-MHz, 32-kw flash, 144-pin
TMS320LF2407APGEA ACTIVE 16-bit DSP, 40-MHz, 32-kw flash, 144-pin
Setšoantšo sa TMS320LF2407A
●Theknoloji ea CMOS ea Ts'ebetso e Phahameng ea Ts'ebetso
○25-ns Nako ea Cycle Cycle (40 MHz)
○40-MIPS Tshebetso
○Moqapi oa Matla a Tlase 3.3-V
●E ipapisitse le TMS320C2xx DSP CPU Core
○Khoutu e lumellana le F243/F241/C242
○Taelo Seta le Mojule e Lumellanang le F240
●Flash (LF) le ROM (LC) Likhetho tsa Sesebelisoa
LF240xA: LF2407A, LF2406A, LF2403A, LF2402A
LC240xA: LC2406A, LC2404A, LC2403A, LC2402A
●Memori ea On-Chip
○Ho fihla ho 32K Words x 16 Bits ea Flash EEPROM (4 Sectors) kapa ROM
○"Code-Security" e ka khonehang bakeng sa On-Chip Flash/ROM
○Ho fihla ho 2.5K Words x 16 Bits ea Data/Program RAM
◇Mantsoe a 544 a RAM ea ho fihlella habeli
◇Ho fihla ho Mantswe a 2K a RAM a Phihlello e le Mong
●Boot ROM (LF240xA lisebelisoa)
○SCI/SPI Bootloader
●Ho fihla ho tse peli tsa Motsamaisi oa Ketsahalo (EV) (EVA le EVB), E 'ngoe le e 'ngoe e kenyelletsa:
○Linako tse peli tsa 16-Bit General-Purpose Timer
○Likanale tse robeli tsa 16-Bit Pulse-Width Modulation (PWM) tse nolofalletsang:
◇Taolo ea Inverter ea Mehato e meraro
◇Center- kapa Edge-Alignment of PWM Channels
◇Emergency PWM Channel Shutdown Ka External PDPINTx Pin
○Programmable Deadband (Deadtime) e Thibela ho Thunya ka Liphoso
○Likarolo tse Tharo tsa Capture bakeng sa ho Hatisa Nako ea Liketsahalo tsa Kantle
○Kenyelletso ea Kena bakeng sa Lipini tse Khethiloeng
○On-Chip Position Encoder Interface Circuitry
○Phetolelo ea A-to-D e Kopantsoeng
○E etselitsoe AC Induction, BLDC, Switched Reluctance, le Stepper Motor Control
○E sebetsa bakeng sa Multiple Motor le/kapa Converter Control
●Sebopeho sa Memori e Ntle (LF2407A)
○192K Words x 16 Bits of Total Memory: 64K Program, 64K Data, 64K I/O
●Watchdog (WD) Nako ea Mojule
●10-Bit Analog-to-Digital Converter (ADC)
○8 kapa 16 Multiplexed Input Channels
○500 ns MIN Nako ea Phetoho
○Li-Sequencers tse Khethehang tsa Mafahla a 8 a Bakiloeng ke Batsamaisi ba Babeli ba Ketsahalo
●Controller Area Network (CAN) 2.0B Module (LF2407A, 2406A, 2403A)
●Sebopeho sa Sebopeho sa Mecha ea litaba (SCI)
●16-Bit Serial Peripheral Interface (SPI) (LF2407A, 2406A, LC2404A, 2403A)
●Phase-Locked-Loop (PLL)-Moloko oa Oache e Thehiloeng
●Ho fihla ho 40 ka bomong Likhokahanyo, Multiplexed General-Purpose Input/Output (GPIO)
●Ho fihla ho Litšitiso tsa Kantle tse Hlano (Ts'ireletso ea Matla a Matla, Reset, Litšitiso tse peli tse ka khonehang)
●Taolo ea Matla:
○Mekhoa e meraro ea ho theola matla
○Bokhoni ba ho theola Phallo e 'ngoe le e 'ngoe ka boikemelo
●Ketsiso ea Nako ea 'Nete ea JTAG e Ikamahanyang le Boemo ba Scan, IEEE Standard 1149.1 (JTAG)
●Lisebelisoa tsa ntlafatso li kenyeletsa:
○Texas Instruments (TI) ANSI C Compiler, Assembler/Linker, le Code Composer Studio™;Debugger
○Li-Modules tsa Tlhahlobo
○Boiketsiso bo thehiloeng ho Scan (XDS510™;)
○Ts'ehetso e pharalletseng ea Mokha oa Boraro oa Taolo ea Likoloi tsa Dijithale
●Likhetho tsa sephutheloana
○144-Pin LQFP PGE (LF2407A)
○100-Pin LQFP PZ (2406A, LC2404A)
○64-Pin TQFP PAG (LF2403A, LC2403A, LC2402A)
○64-Pin QFP PG (2402A)
●Likhetho tse Ekelitsoeng tsa Mocheso (A le S)
○A: -40°C ho isa ho 85°C
○S: -40°C ho isa ho 125°C
Code Composer Studio le XDS510 ke matšoao a khoebo a Texas Instruments.
Matshwao a mang a kgwebo ke thepa ya beng ba ona.
IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port
TMS320C24x, TMS320C2000, TMS320, le C24x ke matšoao a khoebo a Texas Instruments.
Setšoantšo sa TMS320LF2407A
Lisebelisoa tsa TMS320LF240xA le TMS320LC240xA, litho tse ncha tsa TMS320C24x™;ho hlahisa li-controller tsa digital signal processor (DSP), ke karolo ea TMS320C2000™;sethala sa li-DSP tse tsitsitseng.Lisebelisoa tsa 240xA li fana ka TMS320™ e ntlafalitsoeng;Moralo oa meralo oa DSP oa C2xx core CPU bakeng sa matla a tlase, matla a tlase, le ts'ebetso e phahameng ea ts'ebetso.Likarolo tse 'maloa tse tsoetseng pele, tse ntlafalitsoeng bakeng sa lits'ebetso tsa taolo ea mochini oa dijithale le motsamao, li kopantsoe ho fana ka molaoli oa' nete oa DSP oa chip e le 'ngoe.Ha khoutu e lumellana le C24x™ e teng;Lisebelisoa tsa taolo ea DSP, 240xA e fana ka ts'ebetso e eketsehileng ea ts'ebetso (40 MIPS) le boemo bo phahameng ba ho kopanya ha peripheral.Sheba karolo ea Kakaretso ea Sesebelisoa sa TMS320x240xA bakeng sa likarolo tse ikhethileng tsa sesebelisoa.
Moloko oa 240xA o fana ka mefuta e mengata ea boholo ba memori le lisebelisoa tse fapaneng tse etselitsoeng ho kopana le litheko tse khethehileng / lintlha tsa ts'ebetso tse hlokoang ke lits'ebetso tse fapaneng.Lisebelisoa tsa Flash tsa mantsoe a fihlang ho 32K li fana ka tharollo e theko e boima e ka khonehang bakeng sa tlhahiso ea molumo.Lisebelisoa tsa 240xA li fana ka karolo ea "code security" e thehiloeng ho "code security" e thusang ho thibela phetiso e sa lumelloeng ea khoutu e bolokiloeng ho Flash/ROM ea on-chip.Hlokomela hore lisebelisoa tse thehiloeng ho Flash li na le 256-word boot ROM ho tsamaisa lenaneo la potoloho.Lelapa la 240xA le boetse le kenyelletsa lisebelisoa tsa ROM tse lumellanang ka botlalo le li-Flash tsa bona.
Lisebelisoa tsohle tsa 240xA li fana ka bonyane mojule o le mong oa molaoli oa ketsahalo o ntlafalitsoeng bakeng sa taolo ea makoloi a dijithale le lits'ebetso tsa phetolo ea matla.Bokhoni ba mojule ona bo kenyelletsa tlhahiso ea PWM e bohareng le / kapa e hokahantsoeng, "programmable deadband" ho thibela liphoso tsa ho thunya, le phetoho e lumellanang ea analog-to-digital.Lisebelisoa tse nang le batsamaisi ba liketsahalo tse peli li thusa ho laola likoloi tse ngata le/kapa li-converter ka selaoli se le seng sa 240xA DSP.Khetha li-EV pins li fanoe ka "input-qualifier" circuitry, e fokotsang ho qhekella ho sa tsebeng letho ka glitches.
ADC) e sebetsang hantle haholo, e nang le 10-bit analog-to-digital converter (ADC) e na le bonyane nako ea phetoho ea 375 ns mme e fana ka likanale tse fihlang ho tse 16 tsa tlhahiso ea analoge.Bokhoni ba ho iketsetsa autosequencing ba ADC bo lumella boholo ba liphetoho tse 16 ho etsahala ka nako e le 'ngoe ea phetoho ntle le ho feta CPU.
Sesebelisoa sa serial communications interface (SCI) se kopantsoe ho lisebelisoa tsohle ho fana ka puisano e sa tšoaneng ho lisebelisoa tse ling tsamaisong.Bakeng sa litsamaiso tse hlokang likhokahano tse eketsehileng tsa puisano, 2407A, 2406A, 2404A, le 2403A li fana ka 16-bit synchronous serial peripheral interface (SPI).2407A, 2406A, le 2403A li fana ka module ea puisano ea sebaka sa controller area (CAN) e kopanang le litlhaloso tsa 2.0B.Ho eketsa maemo a sesebelisoa, lithakhisa tse sebetsang le tsona li ka lokisoa joalo ka li-inputs/outputs (GPIOs).
Ho fokotsa nako ea nts'etsopele, emulation e lumellanang le JTAG-scan e kenyelelitsoe lisebelisoa tsohle.Sena se fana ka bokhoni ba nako ea nnete bo sa keneleng bo hlokehang ho lokisa lits'ebetso tsa taolo ea dijithale.Sehlopha se felletseng sa lisebelisoa tsa tlhahiso ea likhoutu ho tloha ho li-compilers tsa C ho isa ho Code Composer Studio™ e tloaelehileng ea indasteri;debugger e tšehetsa lelapa lena.Bahlahisi ba bangata ba mokha oa boraro ha ba fane feela ka lisebelisoa tsa ntlafatso ea boemo ba sesebelisoa, empa hape ba fana ka ts'ehetso ea moralo oa boemo ba sistimi le nts'etsopele.
1. Basebetsi lefapheng la hau la R & D ke bo-mang?Litšoaneleho tsa hau ke life?
-R & D Motsamaisi: etsa moralo oa nako e telele oa R & D oa k'hamphani le ho utloisisa tataiso ea lipatlisiso le nts'etsopele;Tataisa le ho hlokomela lefapha la r&d ho kenya tšebetsong leano la r&d la k'hamphani le moralo oa selemo le selemo oa R&D;Laola tsoelopele ea nts'etsopele ea lihlahisoa le ho lokisa moralo;Theha sehlopha se hloahloa sa lipatlisiso le nts'etsopele ea sehlahisoa, tlhahlobo le koetliso e amanang le basebetsi ba botekgeniki.
Mookameli oa R & D: etsa moralo oa sehlahisoa se secha sa R & D 'me u bontše ho khoneha ha moralo;Laola le ho laola tsoelopele le boleng ba mosebetsi oa r&d;Batlisisa ntshetsopele ya sehlahiswa se secha mme o sisinye ditharollo tse sebetsang ho ya ka ditlhoko tsa bareki mafapheng a fapaneng
Basebetsi ba R&d: bokella le ho hlophisa lintlha tsa bohlokoa;Lenaneo la khomphutha;Ho etsa liteko, liteko le ho sekaseka;Lokisetsa lisebelisoa le lisebelisoa bakeng sa liteko, liteko le litlhahlobo;Rekota lintlha tsa tekanyo, etsa lipalo le ho lokisa lichate;Etsa lipatlisiso tsa lipalo-palo
2. Maikutlo a hau a lipatlisiso le nts'etsopele ea sehlahisoa ke afe?
- Maikutlo a sehlahisoa le mohopolo oa sehlahisoa sa khetho le tlhahlobo ea tlhaloso ea sehlahisoa le moralo oa moralo oa projeke le tlhahlobo ea ntlafatso ea sehlahisoa le ho qala ho netefatsa 'marakeng