LPC2468FBD208 Microcontroladores ARM – MCU Single-chip 16-bit/32-bit encinci;
♠ Inkcazo yeMveliso
| Atributo del producto | Valor de atributo |
| Fabricante: | NXP |
| Udidi lwemveliso: | Microcontroladores ARM - MCU |
| RoHS: | Iinkcukacha |
| Estilo de montaje: | SMD/SMT |
| Núcleo: | I-ARM7TDMI-S |
| Inkumbulo yenkqubo: | 512 kB |
| Ancho de bus de datas: | 32 bit/16 bit |
| Resolución del conversor de señal analógica a digital (ADC): | 10 bit |
| Ukuphindaphinda okuphindaphindiweyo: | 72 MHz |
| IiNúmero de entradas / salidas: | 160 I/O |
| Uluhlu lwe-RAM lwedatha: | 98 kB |
| Voltaje de alimentación - Mín.: | 3.3 V |
| Voltaje de alimentación - Máx.: | 3.3 V |
| Iqondo lobushushu lisezantsi: | - 40 C |
| Ubushushu bomgangatho ophezulu: | + 85 C |
| I-Empaquetado: | Itreyi |
| Marca: | NXP Semiconductors |
| Iingqiqo malunga ne-humedad: | Ewe |
| Inqaku lemveliso: | I-ARM Microcontrollers-MCU |
| I-Cantidad de empaque de fábrica: | 180 |
| Uluhlu olungaphantsi: | Microcontrollers - MCU |
| Isiqhulo se las piezas n.º: | 935282457557 |
♠LPC2468 I-Single-chip 16-bit/32-bit micro;512 kB flash, Ethernet, CAN, ISP/IAP, USB 2.0 isixhobo/host/OTG, ujongano lwenkumbulo lwangaphandle
IiSemiconductors ze-NXP zenze i-LPC2468 microcontroller ijikeleze i-16-bit/32-bit ARM7TDMI-S CPU engundoqo kunye nexesha lokwenene lodibaniso lwe-debug oluquka zombini i-JTAG kunye nomkhondo ofakwe ngaphakathi.I-LPC2468 ine-512 kB ye-on-chip ye-speed flash flashinkumbulo.
Le nkumbulo yeflash ibandakanya ujongano olukhethekileyo lwe-128-bit yememori ebanzi kunye nolwakhiwo lwe-accelerator eyenza ukuba i-CPU iphumeze imiyalelo elandelelanayo evela kwimemori edanyazayo kubuninzi besantya sewotshi ye-72 MHz.Olu phawu luifumaneka kuphela kwi-LPC2000 ARM microcontroller usapho lweemveliso.
I-LPC2468 inokuphumeza zombini i-32-bit ARM kunye ne-16-bit yemiyalelo ye-Thumb.Inkxaso yeeseti zemiyalelo emibini ithetha ukuba iinjineli zinokukhetha ukwandisa isicelo sabonokuba yintsebenzo okanye isayizi yekhowudi kwinqanaba le-sub-routine.Xa undoqo uphumeza imiyalelo kwimeko ye-Thumb inokunciphisa ubungakanani bekhowudi ngaphezu kwe-30 % kunye nelahleko encinci kuphela ekusebenzeni ngelixa uphumeza imiyalelo kwimeko ye-ARM ikhulisa undoqo.ukusebenza.
I-LPC2468 microcontroller ilungele izicelo zonxibelelwano lweenjongo ezininzi.Idibanisa i-10/100 Ethernet Media Access Controller (MAC), i-USB egcwele i-Device / Host / OTG Controller ene-4 kB ye-RAM yokuphela, ezine.I-UARTs, iziteshi ezimbini ze-Control Area Network (CAN), i-SPI interface, i-Synchronous Serial Ports (SSP), i-interfaces ezintathu ze-I2C, kunye ne-interface ye-I2S.Ukuxhasa le ngqokelela yonxibelelwano olulandelelanayo ujongano luphawu lulandelayoamalungu;i-on-chip 4 MHz i-oscillator echanekileyo yangaphakathi, i-98 kB ye-RAM iyonke equka i-64 kB ye-SRAM yasekhaya, i-16 kB SRAM ye-Ethernet, i-16 kB SRAM ngenjongo eqhelekileyo ye-DMA, i-2 kB ye-SRAM esebenza ngebhetri, kunye neMemori yangaphandle.Umlawuli (EMC).
Ezi mpawu zenza esi sixhobo sifaneleke ngokugqibeleleyo kumasango onxibelelwano kunye neziguquli zeprothokholi.Ukuzalisekisa abalawuli abaninzi bonxibelelwano olulandelelanayo, amandla okuwashi aguquguqukayo, kunye neempawu zememori ziyahlukahlukana.I-32-bit timers, i-10-bit ADC ephuculweyo, i-10-bit DAC, iiyunithi ezimbini ze-PWM, izikhonkwane ezine zangaphandle eziphazamisayo, kunye ne-160 imigca ye-GPIO ekhawulezayo.
I-LPC2468 idibanisa i-64 ye-GPIO pins kwi-hardware esekelwe kwi-Vector Interrupt Controller (VIC) ethetha ukuba eziamagalelo angaphandle angenza iziphazamiso eziphembelele.Zonke ezi mpawu zenza i-LPC2468 ilungele ngokukodwa ulawulo lwamashishini kunye neenkqubo zonyango.
Iprosesa ye-ARM7TMI-S, esebenza ukuya kuthi ga kwi-72 MHz.
I-512 kB kwimemori yenkqubo ye-chip ekwi-chip kunye neNkqubo yeNkqubo ye-In-System (ISP) kunye nezakhono zeNkqubo yoku-Application (IAP).Imemori yenkqubo yeFlash ikwibhasi ye-ARM yendawo yokusebenza okuphezulu ukufikelela kwi-CPU.
I-98 kB kwitshiphu ye-SRAM ibandakanya:
64 kB ye-SRAM kwibhasi yasekhaya ye-ARM yofikelelo oluphezulu lwe-CPU.
I-16 kB SRAM yojongano lwe-Ethernet.Isenokusetyenziswa njengenjongo jikelele SRAM.
I-16 kB SRAM ngenjongo eqhelekileyo yokusetyenziswa kwe-DMA ikwafikeleleka nge-USB.
2 kB ugcino lwedatha lwe-SRAM olunikwe amandla ukusuka kwi-Real-Time Clock (RTC) indawo yamandla yamandla.
Inkqubo yeBhasi ePhakamileyo ePhakamileyo (i-AHB) ivumela ngaxeshanye i-Ethernet DMA, i-USB DMA, kunye nokwenziwa kwenkqubo ukusuka kwi-chip flash ngaphandle kokuxabana.
I-EMC ibonelela ngenkxaso yezixhobo zememori ezingatshintshiyo ezifana ne-RAM, i-ROM kunye neflash, kunye neenkumbulo eziguqukayo ezifana nenqanaba ledatha enye ye-SDRAM.
IsiLawuli esiPhakamileyo esiNgqongileyo seVectored (VIC), esixhasa ukuya kuthi ga kwi-32 yokuphazamiseka kwe-vectored.
Injongo ngokubanzi isilawuli se-DMA (GPDMA) kwi-AHB enokusetyenziswa ne-SSP, I-2S-bus, kunye ne-SD/MMC ujongano kunye nodluliselo lwenkumbulo-ukuya-kwinkumbulo.
Uthotho lweNdibaniselwano:
I-Ethernet MAC ene-MII/RMII interface kunye nomlawuli we-DMA onxulumeneyo.Le misebenzi ihlala kwi-AHB ezimeleyo.
I-USB 2.0 isantya esigcweleyo sesixhobo sezibuko esimbini/inginginya/ isilawuli se-OTG esikwi-chip PHY kunye nesilawuli seDMA esinxulumeneyo.
Ii-UART ezine ezinezinga le-fractional baud rate, enye inolawulo lwemodem I/O, enye enenkxaso ye-IrDA, zonke zineFIFO.
INAKHO isilawuli esineetshaneli ezimbini.
Umlawuli weSPI.
Abalawuli be-SSP ababini, abane-FIFO kunye nobuchule beprotocol ezininzi.Enye yenye ye-SPI port, ukwabelana ngokuphazamiseka kwayo.Ii-SSPs zingasetyenziswa kunye nomlawuli we-GPDMA.
Iindlela ezintathu ze-I2C-ibhasi (enye ine-open-drain kunye nezimbini ezinezikhonkwane zezibuko eziqhelekileyo).
I 2S (Izandi ye-Inter-IC) ujongano longeniso lwedijithali lwesandi okanye imveliso.Ingasetyenziswa kunye neGPDMA.
Ezinye iiperipherals:
Ujongano lwekhadi lememori ye-SD/MMC.
160 Injongo ngokubanzi izikhonkwane ze-I/O ezinezixhasi zokutsalela phezulu/ezantsi ezilungisekayo.
I-10-bit ADC enegalelo lokuphindaphinda phakathi kwezikhonkwane ezisi-8.
I-10-bit DAC.
Izibali-xesha ezine zenjongo ngokubanzi/izixhobo zokubala ezinamagalelo esi-8 okubamba kunye ne-10 thelekisa iziphumo.Ibhloko nganye yesibali-xesha inegalelo lokubala langaphandle.
Iibhloko ezimbini ze-PWM/timer ezinenkxaso yolawulo lweenjini lwezigaba ezithathu.I-PWM nganye ineegalelo zokubala zangaphandle.
I-RTC enommandla wamandla owahlukileyo.Umthombo wewotshi unokuba yi-oscillator ye-RTC okanye iwotshi ye-APB.
2 kB SRAM inikwe amandla kwiphini yamandla ye-RTC, evumela idatha ukuba igcinwe xa yonke itshiphu icinyiwe.
WatchDog Timer (WDT).I-WDT inokuvalwa kwi-oscillator ye-RC yangaphakathi, i-oscillator ye-RTC, okanye iwashi ye-APB.
Uvavanyo oluqhelekileyo lwe-ARM/ujongano lolungiso lweempazamo ukuhambelana nezixhobo ezikhoyo.
Imodyuli yokulandela umkhondo ixhasa umkhondo wexesha lokwenyani.
Umbane we-3.3 V omnye (3.0 V ukuya ku-3.6 V).
Iindlela ezine ezicuthiweyo zamandla: ukungenzi nto, ukulala, ukwehla kwamandla, kunye nokuhla kwamandla anzulu.
Amagalelo amane ophazamiseko angaphandle alungelelaniswayo njengomphetho/kwinqanaba elibuthathaka.Zonke izikhonkwane kwizibuko 0 kunye nezibuko 2 zingasetyenziswa njengemithombo yophazamiseko ebuthathaka.
Ukuvuswa kweProsesa ukusuka kwimowudi ye-Power-down ngokusebenzisa nakuphi na ukuphazamiseka okukwazi ukusebenza ngexesha lemowudi yoMbane (ibandakanya ukuphazamiseka kwangaphandle, ukuphazamiseka kwe-RTC, umsebenzi we-USB, ukuphazamiseka kokuvuka kwe-Ethernet, umsebenzi we-CAN webhasi, i-port 0/2 pin interrupt).Iindawo ezimbini ezizimeleyo zamandla zivumela ukulungiswa kakuhle kokusetyenziswa kwamandla ngokusekelwe kwiimpawu ezifunekayo.
Iperipheral nganye inesahluli sewotshi yaso yogcino lwamandla ngakumbi.Ezi zahluli zinceda ukunciphisa amandla asebenzayo nge-20 % ukuya kwi-30%.
I-Brownout ibhaqa ngemigubasi eyahlukeneyo yokuphazamisa kunye nokusetha ngokutsha ngenkani.
Ukusetha kwakhona amandla e-chip. On-chip crystal oscillator kunye noluhlu lokusebenza 1 MHz ukuya 25 MHz.
4 MHz i-oscillator ye-RC yangaphakathi elungiswe ukuya kwi-1 % ukuchaneka okungakhethwa ukuba isetyenziswe njengewotshi yesixokelelwano.Xa isetyenziswa njengewotshi ye-CPU, ayivumeli i-CAN kunye ne-USB ukuba isebenze.
I-PLL ekwi-chip ivumela ukusebenza kwe-CPU ukuya kuthi ga kwizinga eliphezulu le-CPU ngaphandle kwemfuneko yekristale ephezulu.Inokuthi iqhutywe kwi-oscillator eyintloko, i-oscillator ye-RC yangaphakathi, okanye i-oscillator ye-RTC.
Iskena somda wovavanyo lwebhodi eyenziwe lula.
Ukhetho lomsebenzi wephini eliguquguqukayo luvumela amathuba amaninzi okusebenzisa imisebenzi yeperipheral ekwi-chip.
Ulawulo lwemizi-mveliso
Iinkqubo zonyango
Isiguquli seProthokholi
Unxibelelwano
