LPC2468FBD208 Microcontroladores ARM – MCU Single-chip 16-bit/32-bit micro;
♠ Tlhaloso ea Sehlahisoa
| Atributo del producto | Valor de atributo |
| Fabricante: | NXP |
| Sehlopha sa lihlahisoa: | Microcontroladores ARM - MCU |
| RoHS: | Lintlha |
| Estilo de montaje: | SMD/SMT |
| Núcleo: | ARM7TDMI-S |
| Tamaño de memoria del programa: | 512 kB |
| Ancho de bus de datos: | 32 hanyane / 16 hanyane |
| Resolución del conversor de señal analógica a digital (ADC): | 10 hanyane |
| Maqhubu a ho feto-fetoha ha maikutlo: | 72 MHz |
| Melemo ea entradas / salidas: | 160 I/O |
| Lintlha tse mabapi le RAM: | 98kb |
| Voltaje de alimentación - Mín.: | 3.3 V |
| Voltaje de alimentación - Máx.: | 3.3 V |
| Mocheso oa mocheso oa mocheso o tlase: | - 40 C |
| Mocheso oa mocheso o phahameng ka ho fetisisa: | + 85 C |
| Boikutlo: | Terei |
| Marca: | Li-semiconductors tsa NXP |
| Sensibles a la humedad: | Ee |
| Tlhahiso ea lihlahisoa: | ARM Microcontrollers - MCU |
| Cantidad de empaque de frabrica: | 180 |
| Sehlopha-potlana: | Li-microcontrollers - MCU |
| Litlhaloso tse ling tsa las piezas n.º: | 935282457557 |
♠LPC2468 Single-chip 16-bit/32-bit micro;512 kB flash, Ethernet, CAN, ISP/IAP, USB 2.0 sesebelisoa/host/OTG, sebopeho sa memori sa kantle
Li-Semiconductors tsa NXP li thehile microcontroller ea LPC2468 ho potoloha 16-bit/32-bit ARM7TDM-S CPU mantlha e nang le likhokahano tsa nako ea nnete tsa ho lokisa tse kenyelletsang JTAG le trace e kentsoeng.LPC2468 e na le 512 kB ea on-chip high-speed flashmohopolo.
Memori ena ea flash e kenyelletsa segokanyimmediamentsi sa memori e pharalletseng ea 128-bit le meralo ea accelerator e nolofalletsang CPU ho etsa litaelo tse latellanang ho tsoa mohopolong oa flash ka lebelo le phahameng la 72 MHz.Tšobotsi ena kee fumaneha feela ho LPC2000 ARM microcontroller lelapa la lihlahisoa.
LPC2468 e ka phethahatsa litaelo tsa 32-bit ARM le 16-bit Thumb.Ts'ehetso bakeng sa lihlopha tse peli tsa litaelo ho bolela hore baenjiniere ba ka khetha ho ntlafatsa kopo ea bona bakeng sae ka ba ts'ebetso kapa boholo ba khoutu boemong ba sub-routine.Ha konokono e fana ka litaelo maemong a Thumb e ka fokotsa boholo ba khoutu ka ho feta 30% ka tahlehelo e nyane feela ts'ebetsong ha o ntse o etsa litaelo sebakeng sa ARM o eketsa mantlha.tshebetso.
Microcontroller ea LPC2468 e loketse lits'ebetso tsa puisano tsa merero e mengata.E kenyelletsa 10/100 Ethernet Media Access Controller (MAC), Sesebelisoa sa USB se potlakileng ka ho Fetisisa / Host / OTG Controller e nang le 4 kB ea endpoint RAM, tse 'nè.Li-UART, liteishene tse peli tsa Controller Area Network (CAN), sebopeho sa SPI, li-Synchronous Serial Ports (SSP), li-interface tse tharo tsa I2C, le I2S interface.Ho tšehetsa pokello ena ea li-interfaces tsa serial communications ke tšobotsi e latelanglikaroloana;on-chip 4 MHz internal precision oscillator, 98 kB ea RAM kaofela e nang le 64 kB ea SRAM ea moo, 16 kB SRAM bakeng sa Ethernet, 16 kB SRAM bakeng sa morero o akaretsang DMA, 2 kB ea SRAM e tsamaisoang ke betri, le Memori ea Kantle.Molaoli (EMC).
Likarolo tsena li etsa hore sesebelisoa sena se tšoanelehe hantle bakeng sa likhokahano le li-converter tsa protocol.Ho tlatselletsa li-controller tse ngata tsa puisano, bokhoni bo fapaneng ba oache, le likarolo tsa memori li fapane.Li-timers tsa 32-bit, 10-bit ADC e ntlafalitsoeng, 10-bit DAC, li-unit tse peli tsa PWM, lithapo tse 'ne tse sitisang ka ntle, le mela e fihlang ho 160 e potlakileng ea GPIO.
LPC2468 e kopanya 64 ea lithakhisa tsa GPIO ho hardware e thehiloeng Vector Interrupt Controller (VIC) e bolelang tsena.lintho tse kenang ka ntle li ka hlahisa litšitiso tse hlahisoang ke bohale.Likarolo tsena kaofela li etsa hore LPC2468 e tšoanelehe haholo bakeng sa taolo ea indasteri le lits'ebetso tsa bongaka.
ARM7TMI-S processor, e sebetsang ho fihla ho 72 MHz.
512 kB on-chip flash programme memori e nang le bokhoni ba In-System Programming (ISP) le In-Application Programming (IAP).Memori ea Flash e ka beseng ea lehae ea ARM bakeng sa phihlello e phahameng ea CPU.
98 kB on-chip SRAM e kenyelletsa:
64 kB ea SRAM beseng ea lehae ea ARM bakeng sa phihlello e phahameng ea CPU.
16 kB SRAM bakeng sa sehokelo sa Ethernet.E ka boela ea sebelisoa e le sepheo se akaretsang sa SRAM.
16 kB SRAM molemong oa tšebeliso ea DMA e fumaneha hape ka USB.
2 kB SRAM polokelo ea data e tsamaisoang ho tsoa sebakeng sa motlakase sa Nako ea Sebele (RTC).
Sistimi ea Dual Advanced High-performance Bus (AHB) e lumella Ethernet DMA, USB DMA ka nako e le 'ngoe, le ts'ebetso ea lenaneo ho tsoa ho on-chip flash ntle le likhohlano.
EMC e fana ka ts'ehetso bakeng sa lisebelisoa tsa memori tsa asynchronous tse kang RAM, ROM le flash, hammoho le mehopolo e matla joalo ka sekhahla sa data se le seng SDRAM.
Advanced Vectored Interrupt Controller (VIC), e tšehetsang litšitiso tse fihlang ho tse 32.
General Purpose DMA controller (GPDMA) ho AHB e ka sebelisoang le SSP, I 2S-bus, le SD/MMC interface hammoho le phetisetso ea mohopolo ho isa mohopolong.
Li-interface tsa serial:
Ethernet MAC e nang le sebopeho sa MII/RMII le molaoli oa DMA o amanang.Mesebetsi ena e lula holim'a AHB e ikemetseng.
USB 2.0 sesebediswa sa boema-kepe se nang le lebelo le felletseng la tse pedi/moamohedi/setaolo sa OTG se nang le on-chip PHY le selaoli se amanang le DMA.
Li-UART tse 'ne tse nang le sekhahla sa sekhahla sa baud se fokolang, e 'ngoe e nang le taolo ea modem I/O, e nang le tšehetso ea IrDA, kaofela e na le FIFO.
E KA khannela taolo e nang le likanale tse peli.
Mookameli oa SPI.
Balaoli ba babeli ba SSP, ba nang le FIFO le bokhoni ba liprothokhole tse ngata.E 'ngoe ke e 'ngoe bakeng sa boema-kepe ba SPI, e arolelanang tšitiso ea eona.Li-SSP li ka sebelisoa le molaoli oa GPDMA.
Likhokahano tse tharo tsa libese tsa I2C (e 'ngoe e na le metsi a bulehileng le a mabeli a nang le li-port pins tse tloaelehileng).
I 2S (Inter-IC Sound) segokanyimmediamentsi sa sebolokigolo bakeng sa ho kenya mamelwang kapa tlhahiso ya dijithale.E ka sebelisoa le GPDMA.
Li-peripheral tse ling:
Sehokelo sa karete ea memori ea SD/MMC.
160 Morero o akaretsang oa lithakhisa tsa I/O tse nang le lihanyetsi tse ka lokisoang tsa ho hula/ho theosa.
10-bit ADC e nang le ho kenyelletsa multiplexing har'a lithapo tse 8.
10-bit DAC.
Li-timers/counters tse nne tse akaretsang tse nang le lintlha tse 8 tsa ho hapa le tse 10 tsa ho bapisa liphetho.Sebaka se seng le se seng sa nako se na le palo ea kantle.
Li-blocks tse peli tsa PWM/timer tse nang le ts'ehetso bakeng sa taolo ea motlakase ea mekhahlelo e meraro.PWM e 'ngoe le e 'ngoe e na le lipalo tsa kantle.
RTC e nang le sebaka se arohaneng sa matla.Mohloli oa oache e ka ba oscillator ea RTC kapa oache ea APB.
2 kB SRAM e tsamaisoa ho tsoa pineng ea motlakase ea RTC, e lumellang data ho bolokoa ha chip kaofela e tima.
WatchDog Timer (WDT).WDT e ka koaloa ho tloha ho oscillator ea ka hare ea RC, oscillator ea RTC, kapa oache ea APB.
Teko e tloaelehileng ea ARM / sebopeho sa debug bakeng sa ho lumellana le lisebelisoa tse teng.
Emulation trace module e ts'ehetsa mohlala oa nako ea nnete.
Motlakase o le mong oa 3.3 V (3.0 V ho isa ho 3.6 V).
Mefuta e mene e fokolitsoeng ea matla: ho se sebetse, ho robala, ho theola matla, le ho theoha ho tebileng.
Lintho tse 'ne tsa ho kena-kenana le litšitiso tse ka ntle tse ka lokisoang joalo ka ha li se na moeli.Lithakhisa tsohle tse boema-kepeng ba 0 le boema-kepe ba 2 li ka sebelisoa e le mehloli ea tšitiso e tebileng.
Ho tsosoa ha processor ho tsoa ho Power-down ka tšitiso efe kapa efe e khonang ho sebetsa nakong ea Power-down (e kenyelletsa litšitiso tsa kantle, tšitiso ea RTC, ts'ebetso ea USB, tšitiso ea ho tsoha ea Ethernet, ts'ebetso ea libese ea CAN, tšitiso ea pin 0/2).Libaka tse peli tse ikemetseng tsa matla li lumella tokiso e ntle ea tšebeliso ea matla ho latela likarolo tse hlokahalang.
Periferale e 'ngoe le e 'ngoe e na le karohano ea oache ea eona bakeng sa ho boloka matla a eketsehileng.Likarolo tsena li thusa ho fokotsa matla a sebetsang ka 20% ho isa ho 30%.
Brownout lemoha ka menyako e arohaneng bakeng sa ho kena-kenana le ho qobella ho tsosolosa.
On-chip power-bud reset. On-chip crystal oscillator e nang le sebaka sa ho sebetsa sa 1 MHz ho isa ho 25 MHz.
4 MHz ka hare RC oscillator e lokiselitsoeng ho 1 % ho nepahala e ka sebelisoang ka boikhethelo e le oache ea sistimi.Ha e sebelisoa e le oache ea CPU, ha e lumelle CAN le USB ho sebetsa.
On-chip PLL e lumella ts'ebetso ea CPU ho fihla ho sekhahla se phahameng sa CPU ntle le tlhoko ea kristale e phahameng ea maqhubu.E ka tsamaisoa ho tloha ho oscillator ea mantlha, oscillator ea ka hare ea RC, kapa oscillator ea RTC.
Boundary scan bakeng sa tlhahlobo e nolofalitsoeng ea boto.
Likhetho tse fapaneng tsa ts'ebetso ea phini li lumella menyetla e mengata ea ho sebelisa mesebetsi ea on-chip peripheral.
Taolo ea indasteri
Litsamaiso tsa bongaka
Protocol converter
Lipuisano
