LPC2468FBD208 Microcontroladores ARM – MCU Imwe-chip 16-bit/32-bit diki;
♠ Tsanangudzo yeChigadzirwa
| Atributo del producto | Valor de atributo |
| Fabricante: | NXP |
| Categoria de producto: | Microcontroladores ARM - MCU |
| RoHS: | Detales |
| Estilo de montaje: | SMD/SMT |
| Núcleo: | ARM7TMI-S |
| Tamaño de memoria del programa: | 512 kB |
| Ancho de bus de datos: | 32 zvishoma / 16 zvishoma |
| Resolución del conversor de señal analógica a digital (ADC): | 10 zvishoma |
| Frecuencia de reloj máxima: | 72 MHz |
| Número de entradas / salidas: | 160 I/O |
| Zvimwe zve RAM zvinosanganisira: | 98 kB |
| Voltaje de alimentación - Mín.: | 3.3 V |
| Voltaje de alimentación - Máx.: | 3.3 V |
| Temperatura de trabajo minima: | - 40 C |
| Temperatura de trabajo máxima: | + 85 C |
| Empaquetado: | Tray |
| Marca: | NXP Semiconductors |
| Sensibles a la humedad: | Ehe |
| Tipo de producto: | ARM Microcontrollers - MCU |
| Cantidad de empaque de fábrica: | 180 |
| Subcategoría: | Microcontrollers - MCU |
| Alias de las piezas n.º: | 935282457557 |
♠LPC2468 Single-chip 16-bit/32-bit micro; 512 kB flash, Ethernet, CAN, ISP/IAP, USB 2.0 mudziyo/host/OTG, yekunze memory interface
NXP Semiconductors yakagadzira iyo LPC2468 microcontroller yakatenderedza 16-bit/32-bit ARM7TDM-S CPU musimboti ine chaiyo-nguva debug interfaces inosanganisira zvese JTAG uye yakamisikidzwa trace. Iyo LPC2468 ine 512 kB ye-on-chip high-speed flashndangariro.
Iyi flash memory inosanganisira yakakosha 128-bit wide memory interface uye accelerator architecture inoita kuti CPU iite mirairo inotevedzana kubva kuflash memory pahupamhi hwe72 MHz system clock rate. Chimiro ichiinowanikwa chete paLPC2000 ARM microcontroller mhuri yezvigadzirwa.
Iyo LPC2468 inogona kuita zvese 32-bit ARM uye 16-bit Thumb mirairo. Tsigiro yemaseti maviri ekuraira zvinoreva mainjiniya anogona kusarudza kukwiridzira kunyorera kwavokungave kuita kana saizi yekodhi pane sub-routine level. Kana iyo musimboti ichiita mirairo muThumb state inogona kuderedza kodhi saizi neinopfuura 30% nekungorasikirwa kudiki mukuita uchiita mirairo muArM state inowedzera musimboti.performance.
Iyo LPC2468 microcontroller yakanaka kune akawanda-chinangwa ekukurukurirana maapplication. Inosanganisira 10/100 Ethernet Media Access Controller (MAC), USB izere-kumhanya Chishandiso/Host/OTG Controller ine 4 kB yeendpoint RAM, ina.MaUART, maviri Controller Area Network (CAN) chiteshi, SPI interface, maviri Synchronous Serial Ports (SSP), matatu I2C interfaces, uye I2S interface. Kutsigira iyi muunganidzwa weserial communications interfaces ndiwo anotevera chimirozvikamu; an on-chip 4 MHz yemukati precision oscillator, 98 kB ye RAM yakazara ine 64 kB yemunharaunda SRAM, 16 kB SRAM yeEthernet, 16 kB SRAM yezvakawanda DMA, 2 kB yebhatiri powered SRAM, uye Yekunze Yekuyeuka.Mutungamiriri (EMC).
Aya maficha anoita kuti mudziyo uyu unyatso kukodzera magedhi ekutaurirana uye maprotocol converters. Kuzadzisa akawanda serial ekutaurirana anodzora, anochinja-chinja clocking kugona, uye ndangariro maficha akasiyana.32-bit timers, yakagadziridzwa 10-bit ADC, 10-bit DAC, maviri PWM mayunitsi, mana ekunze mapini ekunze, uye anosvika zana nemakumi matanhatu ekukurumidza GPIO mitsetse.
Iyo LPC2468 inobatanidza makumi matanhatu neina emapini eGPIO kune hardware yakavakirwa Vector Interrupt Controller (VIC) zvinoreva izvi.zvinopinda zvekunze zvinogona kuburitsa zvinokanganisa-zvinokonzeresa. Ese aya maficha anoita kuti LPC2468 inyanyokodzera kudzora kwemaindasitiri uye masisitimu ekurapa.
ARM7TMI-S processor, inomhanya kusvika ku72 MHz.
512 kB pa-chip flash chirongwa chendangariro neIn-System Programming (ISP) uye In-Application Programming (IAP) kugona. Flash programme memory iri paARM bhazi remunharaunda yekukwirira kuita CPU.
98 kB pa-chip SRAM inosanganisira:
64 kB yeSRAM paARM bhazi remunharaunda yekukwirira kuita CPU yekuwana.
16 kB SRAM yeEthernet interface. Inogona zvakare kushandiswa seyakajairwa chinangwa SRAM.
16 kB SRAM yezvese chinangwa kushandiswa kweDMA kunowanikwawo ne USB.
2 kB SRAM data chengetedzo inopihwa simba kubva kuChaiyo-Nguva Clock (RTC) simba domain.
Dual Advanced High-performance Bhazi (AHB) system inobvumira panguva imwe chete Ethernet DMA, USB DMA, uye chirongwa chekuuraya kubva pa-chip flash pasina kupokana.
EMC inopa tsigiro yeasynchronous static memory zvishandiso zvakaita se RAM, ROM uye flash, pamwe chete nendangariro dzakasimba dzakadai seyemwe data reti SDRAM.
Yepamberi Vectored Interrupt Controller (VIC), inotsigira anosvika makumi matatu nemaviri akavhiringidzwa.
General Chinangwa DMA controller (GPDMA) paAHB inogona kushandiswa neSSP, I 2S-bhazi, uye SD/MMC interface pamwe neyekuyeuka-ku-ndangariro kutamiswa.
Serial Interfaces:
Ethernet MAC ine MII/RMII interface uye yakabatana DMA controller. Aya mabasa anogara pane yakazvimirira AHB.
USB 2.0 izere-kumhanya mbiri mbiri chiteshi mudziyo/host/OTG controller ine on-chip PHY uye yakabatana DMA controller.
MaUART mana ane fractional baud rate chizvarwa, imwe ine modem control I/O, imwe ine IrDA rutsigiro, ese aine FIFO.
INOGONA controller nematanho maviri.
SPI controller.
Vaviri SSP vanodzora, vane FIFO uye akawanda-protocol kugona. Imwe ndeyeimwe yechiteshi cheSPI, ichigovera kukanganisa kwayo. SSPs inogona kushandiswa neGPDMA controller.
Matatu I2C-mabhazi anopindirana (imwe ine yakavhurika-drain uye maviri ane akajairika mapini echiteshi).
I 2S (Inter-IC Inzwi) interface yedhijitari yekuisa kana kubuda. Inogona kushandiswa neGPDMA.
Mamwe maperipherals:
SD/MMC memori kadhi interface.
160 General chinangwa I/O mapini ane zvinogadzirisika kudhonzera-kumusoro/pasi resistors.
10-bit ADC ine yekuisa kuwanda pakati pe8 pini.
10-bit DAC.
Zvina zvakajairika chinangwa chenguva/akaunda ane 8 ekutora ekuisa uye gumi enzanisa zvinobuda. Imwe neimwe timer block ine yekunze kuverenga yekupinda.
Zvivharo zviviri zvePWM/timer zvine tsigiro yematatu-chikamu mota yekudzora. Imwe neimwe PWM ine ekunze kuverenga mapeji.
RTC ine yakaparadzana simba domain. Wachi sosi inogona kunge iri RTC oscillator kana iyo APB wachi.
2 kB SRAM inofambiswa kubva kuRTC simba pini, ichibvumira data kuchengetwa kana imwe chip yakadzimwa.
WatchDog Timer (WDT). Iyo WDT inogona kuvharwa kubva mukati RC oscillator, iyo RTC oscillator, kana iyo APB wachi.
Yakajairwa ARM bvunzo/debug interface yekuenderana nemidziyo iripo.
Emulation trace module inotsigira chaiyo-nguva yekutsvaga.
Single 3.3 V magetsi ekupa (3.0 V kusvika 3.6 V).
Mana akaderedzwa emagetsi modhi: isina basa, kurara, simba-pasi, uye yakadzika simba-pasi.
Zvina zvekunze zvekuvhiringidza zvinogadziriswa zvinogadziriswa semupendero / nhanho inonzwisisika. Mapini ese ari pachiteshi 0 uye chiteshi chechipiri anogona kushandiswa senge kumucheto kusinganzwisisike kuvhiringidza masosi.
processor inomutsa kubva kuSimba-pasi modhi kuburikidza nechero kukanganisa kunokwanisa kushanda panguva yeSimba-pasi modhi (inosanganisira yekunze kukanganisa, RTC kuvhiringidza, USB chiitiko, Ethernet kumuka-kukanganisa, CAN bhazi chiitiko, chiteshi 0/2 pini kukanganisa). Madomasi maviri akazvimirira emagetsi anobvumira kugadzirisa kwakanaka kwekushandiswa kwesimba zvichienderana nezvinodiwa.
Imwe neimwe peripheral ine yayo yewachi divider yekuwedzera simba rekuchengetedza. Aya anopatsanura anobatsira kuderedza simba rinoshanda ne20% kusvika 30%.
Brownout inoona ine zvikumbaridzo zvakasiyana zvekuvhiringidza nekumanikidzira kuseta patsva.
On-chip simba-pakugadzirisazve. On-chip crystal oscillator ine inoshanda renji ye1 MHz kusvika 25 MHz.
4 MHz yemukati RC oscillator yakachekwa kusvika 1 % kunyatsoita iyo inogona kushandiswa senge system wachi. Kana ichishandiswa seCPU wachi, haibvumire CAN uye USB kuti ishande.
Pa-chip PLL inobvumira CPU kushanda kusvika kune yakanyanya CPU chiyero pasina kudiwa kweiyo yakakwira frequency crystal. Inogona kumhanyiswa kubva kune hombe oscillator, iyo yemukati RC oscillator, kana iyo RTC oscillator.
Boundary scan yekurerutsa bhodhi kuyedzwa.
Kusarudzwa kwepini kwakasiyana-siyana kunobvumira mikana yakawanda yekushandisa pa-chip peripheral function.
Kudzora kwemaindasitiri
Zvirongwa zvekurapa
Protocol inoshandura
Kukurukurirana
