LPC2468FBD208 Microcontroladores ARM - MCU Single-guntu 16-bit / 32-bit micro;
♠ Bayanin samfur
| Alamar samfur | Valor de sifa |
| Fabricante: | NXP |
| Categoría de samfur: | Microcontroladores ARM - MCU |
| RoHS: | Cikakkun bayanai |
| Ga jerin: | SMD/SMT |
| Nucleo: | Saukewa: ARM7TDMI-S |
| Tamaño de memoria del programa: | 512 kB |
| Ancho de bas de datos: | 32-bit / 16 bit |
| Resolución del conversor de señal analógica dijital (ADC): | 10 bit |
| Frecuencia de reloj maxima: | 72 MHz |
| Numero de entradas / salidas: | 160 I/O |
| Abubuwan da ake buƙata na RAM: | 98kb ku |
| Voltaje de alimentación - Mín.: | 3.3 V |
| Voltaje de alimentación - Máx.: | 3.3 V |
| Temperatura de trabajo: | -40 C |
| Temperatura de trabajo máxima: | + 85 C |
| Empaquetado: | Tire |
| Marca: | Abubuwan da aka bayar na NXP Semiconductors |
| Ma'ana a la humedad: | Ee |
| Tushen samfurin: | ARM Microcontrollers - MCU |
| Cantidad de empaque de fábrica: | 180 |
| Subcategoría: | Microcontrollers - MCU |
| Alias de las piezas n.º: | 935282457557 |
♠LPC2468 Single-guntu 16-bit/32-bit micro;512 kB flash, Ethernet, CAN, ISP/IAP, USB 2.0 na'urar / mai watsa shiri / OTG, ƙwaƙwalwar ajiyar waje
NXP Semiconductors sun tsara LPC2468 microcontroller a kusa da 16-bit/32-bit ARM7TDMI-S CPU core tare da musaya na kuskuren lokaci na ainihi waɗanda suka haɗa da duka JTAG da alama.LPC2468 yana da 512 kB na walƙiya mai sauri akan guntuƙwaƙwalwar ajiya.
Wannan ƙwaƙwalwar walƙiya ta haɗa da keɓantaccen ƙirar ƙwaƙwalwar ajiya mai faɗin 128-bit da ƙirar haɓakawa wanda ke ba CPU damar aiwatar da umarni na jeri daga ƙwaƙwalwar filasha a matsakaicin ƙimar agogon tsarin 72 MHz.Wannan fasalin shinesamuwa kawai akan dangin microcontroller LPC2000 ARM na samfuran.
LPC2468 na iya aiwatar da duka 32-bit ARM da umarnin Thumb 16-bit.Taimakawa tsarin koyarwa guda biyu yana nufin injiniyoyi za su iya zaɓar inganta aikace-aikacen suko dai aiki ko girman lambar a matakin na yau da kullun.Lokacin da ainihin ke aiwatar da umarni a cikin jihar Thumb zai iya rage girman lambar fiye da 30 % tare da ƙaramin asara a cikin aiki yayin aiwatar da umarni a cikin jihar ARM yana haɓaka ainihin asali.yi.
LPC2468 microcontroller ya dace don aikace-aikacen sadarwa mai amfani da yawa.Ya haɗa da 10/100 Ethernet Media Access Controller (MAC), na'ura mai cikakken sauri na USB / Mai watsa shiri / OTG Mai kula da 4 kB na RAM na ƙarshe, hudu.UARTs, tashoshi guda biyu na Cibiyar Sadarwar Yanki (CAN), tashoshi na SPI, Serial Ports guda biyu (SSP), musaya na I2C guda uku, da I2S interface.Tallafawa wannan tarin hanyoyin sadarwa na serial sadarwa shine siffa mai zuwaabubuwan da aka gyara;oscillator na ciki na kan-chip 4 MHz, 98 kB na jimlar RAM wanda ya ƙunshi 64 kB na SRAM na gida, 16 kB SRAM don Ethernet, 16 kB SRAM don babban manufa DMA, 2 kB na baturi mai ƙarfi SRAM, da ƙwaƙwalwar wajeMai Gudanarwa (EMC).
Waɗannan fasalulluka sun sa wannan na'urar ta dace da ƙofofin sadarwa da masu musanya yarjejeniya.Haɓaka yawancin masu kula da sadarwa na serial, iyawar agogo iri-iri, da fasalulluka na ƙwaƙwalwar ajiya daban-daban.32-bit masu ƙidayar lokaci, ingantaccen 10-bit ADC, 10-bit DAC, raka'a PWM guda biyu, fil ɗin katsewa na waje guda huɗu, kuma har zuwa layin GPIO mai sauri 160.
LPC2468 yana haɗa 64 na GPIO fil zuwa tushen kayan aikin Vector Interrupt Controller (VIC) wanda ke nufin waɗannanabubuwan shigar da ke waje na iya haifar da katsewa mai haifar da gefe.Duk waɗannan fasalulluka sun sa LPC2468 ya dace musamman don sarrafa masana'antu da tsarin likitanci.
ARM7TDMI-S processor, yana aiki har zuwa 72 MHz.
512 kB akan-chip flash memory na shirin tare da In-System Programming (ISP) da In-Application Programming (IAP).Ƙwaƙwalwar shirin Flash yana kan bas ɗin gida na ARM don samun damar CPU mai girma.
98 kB akan guntu SRAM ya haɗa da:
64kB na SRAM akan bas ɗin gida na ARM don samun damar CPU mai girma.
16 kB SRAM don kewayon Ethernet.Hakanan za'a iya amfani dashi azaman babban manufa SRAM.
16 kB SRAM don babban manufa DMA amfani kuma ana samun dama ta USB.
Ma'ajiyar bayanan SRAM 2kB da aka yi amfani da ita daga yankin wutar lantarki na Real-Time Clock (RTC).
Dual Advanced High-performance Bus (AHB) tsarin yana ba da damar Ethernet DMA na lokaci guda, USB DMA, da aiwatar da shirin daga filasha akan guntu ba tare da jayayya ba.
EMC yana ba da tallafi ga na'urorin ƙwaƙwalwar ajiya asynchronous kamar RAM, ROM da filasha, da kuma abubuwan tunani masu ƙarfi kamar ƙimar bayanan SDRAM guda ɗaya.
Advanced Vectored Interrupt Controller (VIC), yana goyan bayan katsewa har zuwa 32.
Babban Burin DMA mai kulawa (GPDMA) akan AHB wanda za'a iya amfani dashi tare da SSP, I 2S-bus, da SD/MMC interface da kuma don canja wurin ƙwaƙwalwar ajiya zuwa ƙwaƙwalwar ajiya.
Serial Interfaces:
Ethernet MAC tare da dubawar MII/RMII da mai sarrafa DMA mai alaƙa.Waɗannan ayyuka suna zaune akan AHB mai zaman kansa.
USB 2.0 cikakken na'urar tashar jiragen ruwa biyu mai sauri / mai watsa shiri / mai sarrafa OTG tare da kan-chip PHY da mai sarrafa DMA mai alaƙa.
UARTs huɗu tare da tsararrun ƙimar baud na juzu'i, ɗaya tare da ikon modem I/O, ɗaya tare da tallafin IrDA, duk tare da FIFO.
CAN mai kula da tashoshi biyu.
Mai sarrafa SPI.
Masu kula da SSP guda biyu, tare da FIFO da iyawar yarjejeniya da yawa.Daya shine madadin tashar jiragen ruwa na SPI, yana raba katsewar sa.Ana iya amfani da SSPs tare da mai sarrafa GPDMA.
I2C-bas musaya guda uku (ɗaya tare da buɗaɗɗen magudanar ruwa da biyu tare da madaidaitan fil ɗin tashar jiragen ruwa).
I 2S (Inter-IC Sound) don shigar da sauti na dijital ko fitarwa.Ana iya amfani da shi tare da GPDMA.
Sauran kayan aiki:
SD/MMC katin ƙwaƙwalwar ajiya.
160 Gabaɗaya I/O fil tare da masu iya jujjuyawa sama/ƙasa.
10-bit ADC tare da yawan shigarwa tsakanin fil 8.
10-bit DAC.
Ƙididdiga / ƙididdiga na gaba ɗaya guda huɗu tare da abubuwan shigar 8 da 10 kwatanta abubuwan fitarwa.Kowane toshe mai ƙidayar lokaci yana da shigarwar ƙidayar waje.
Tubalan PWM/mai ƙidayar lokaci guda biyu tare da goyan baya don sarrafa motsi mai hawa uku.Kowane PWM yana da abubuwan shigar da ƙidayar waje.
RTC tare da yankin wuta daban.Tushen agogo na iya zama oscillator na RTC ko agogon APB.
2kB SRAM da aka kunna daga fil ɗin wutar RTC, yana ba da damar adana bayanai lokacin da aka kashe sauran guntu.
WatchDog Timer (WDT).Ana iya rufe WDT daga oscillator na RC na ciki, da RTC oscillator, ko agogon APB.
Daidaitaccen gwajin gwajin ARM/kayan gyara kurakurai don dacewa da kayan aikin da ake dasu.
Emulation trace module yana goyan bayan gano ainihin lokaci.
Samar da wutar lantarki guda 3.3 V (3.0 V zuwa 3.6 V).
Hanyoyin wuta da aka rage guda huɗu: rago, barci, saukar da wuta, da zurfin ƙasa.
Abubuwan shigar da katsewa na waje guda huɗu ana daidaita su azaman mai kula da gefe/mataki.Duk fil akan tashar jiragen ruwa 0 da tashar jiragen ruwa 2 za a iya amfani da su azaman tushen katsewa.
Farkawa mai sarrafawa daga yanayin saukarwa ta hanyar duk wani katsewa mai iya aiki yayin yanayin saukarwar wuta (ya haɗa da katsewar waje, tsangwama RTC, ayyukan USB, katsewar farkawa ta Ethernet, Ayyukan bas na CAN, katsewar tashar jiragen ruwa 0/2).Wuraren wutar lantarki masu zaman kansu guda biyu suna ba da damar daidaita yawan wutar lantarki bisa abubuwan da ake buƙata.
Kowanne gefe yana da nasa mai raba agogo don ƙarin ceton wutar lantarki.Waɗannan masu rarraba suna taimakawa rage ƙarfin aiki da kashi 20 zuwa 30%.
Gane Brownout tare da ƙofa daban don katsewa da sake saitin tilastawa.
Sake saitin wutar lantarki akan guntu. On-chip crystal oscillator tare da kewayon aiki na 1 MHz zuwa 25 MHz.
4 MHz na ciki RC oscillator an gyara shi zuwa daidaiton 1% wanda za a iya amfani da shi azaman agogon tsarin.Lokacin amfani dashi azaman agogon CPU, baya barin CAN da USB suyi aiki.
On-chip PLL yana ba da damar CPU aiki har zuwa matsakaicin ƙimar CPU ba tare da buƙatar babban mitar crystal ba.Ana iya gudu daga babban oscillator, na ciki RC oscillator, ko RTC oscillator.
Binciken iyaka don sauƙaƙe gwajin allo.
Zaɓuɓɓukan ayyukan fil iri-iri suna ba da damar ƙarin dama don amfani da ayyuka na gefen guntu.
Gudanar da masana'antu
Tsarin likitanci
Protocol Converter
Sadarwa
