Microchip Atmega328P: zvese zvaunoda kuti uzive nezve iyi MCU

ATmega328P Microchip

Chimwe chei Zvemagetsi zvigadzirwa izvo zvaunofanira kuziva ndiyo microcontroller, kana MCU (MicroController Unit), ATmega328P. Imwe yeakakurumbira machipisi iwe aunogona kuronga kuwanda kwekushandisa kwese marudzi, ese DIY mapurojekiti, kunyangwe mamwe maindasitiri mapurojekiti, nezvimwe.

Zvirokwazvo zita rayo rinonzwika kuva rakajairika kwauri, uye nderimwe ramajoko madiki anoshandiswa nemahwendefa Arduino nevamwe mabhodhi ekuvandudza Zvakafanana. Muchokwadi, muchikamu chikuru, chave chiri ichi chakavhurika Hardware chikuva icho chakabatsirawo mukuzivikanwa kwayo kuwedzera.

Kubva Atmel kuenda kuMicrochip

micro chip logo

Iyo kambani Atmel Corporation yaive semiconductor kambani yakavambwa muna 1984. Chiratidzo chekambani yakavambwa naGeorge Perlegos ndicho chidimbu cheAdvanced Technology yeMemory neLogic.

Munhoroondo yavo yese, vakagadzira zvigadzirwa zveRF, WiMAX, ASICs, SoCs, EEPROM uye flash memory, nezvimwe. Asi, kunyanya, ivo vakatarisawo pane microcontroller. Pakati pavo, ivo vakasanganisira zvimwe zvigadzirwa zveIntel 8051, izvo zvakavakirwa paAVR neAVR32 (zvese zvivakwa zvakagadzirwa naAmmel pachayo) uye zvakare yakavakirwa paARM.

Zvake zvigadzirwa Vakashanda vese kune zvemagetsi zvevatengi, senge makambani ekufona, indasitiri yemagetsi, zvekurapa, mota, chikamu cheaerospace, makadhi akachengetedzeka, uye nevemauto.

Kana zvakadaro Nhoroondo ye Microchip Technology, iri zvakare imwe hombe Arizona-based semiconductor inogadzira. Yakatsaurirwa kune microcontroller, ndangariro (EEPROM uye EPROM), RF, uye zvimwe zvigadzirwa zveanalogog, pamwe nemathuluzi esoftware epurogiramu nekusimudzira. Ma microcontroller ayo anomira zvakanyanya, iine mhuri yakagadziridzwa neayo semaPIC.

Chii chinonzi microcontroller kana MCU?

Un microcontroller, µC, UC kana MCU (Microcontroller Unit), chero chaunoda kuchidaidza, inogadzirirwa IC inokwanisa kuita maodha akatakurwa mundangariro yayo. Naizvozvo, microcontroller ingangoita komputa izere pachip. Iyo ine zvese zvakasanganiswa zvinoriumba, senge iyo CPU, RAM, ROM uyezve I / O zvigadzirwa (GPIO, matera kana macounters, maA / D ma switch, SPI, I2C, USB, Ethernet, vafananisi, PWM, nezvimwewo).

Sezviri pachena, kuita yemakomputa aya pane chip haina kukwirira sePC dzazvino. Ivo vane zvakafanana kuita kune zvishandiso zvemakumi emakore apfuura. Nekudaro, iwo anoshanda kwazvo uye anowanzo kuve anokwezva kune akasiyana mabasa uko kwepamusoro kushanda kusingadiwe, sekudzivirira michina yemabhizimusi, kudzora mamwe mabasa mumotokari, mabhodhi ekuvandudza, midziyo yemumba, nezvimwe.

Chii chinonzi ATmega328P?

Atmel ATmega328p

El ATmega328P Iyo microcontroller yakagadzirwa naAtmel, iri yemamegaAVR akateedzana. Parizvino ndeyaMicrochip. Nezve ma parameter ayo uye akatanhamara ehunyanzvi magadzirirwo ndeaya:

  • 8-bit AVR kuvaka
  • 32 KB kupenya
  • 1 KB EEPROM
  • 2 KB SRAM
  • 23 mitsara chinangwa I / O mitsara
  • 32 general chinangwa zvinyorwa
  • 3 timers / counters ane enzaniso modhi
  • Yemukati / Kunze Kunovhiringidza (24)
  • UART modhi programmer
  • Serial inowanikwa
  • SPI
  • 8-chiteshi 10-bit A / D inoshandura
  • 6 PWM chiteshi
  • Inogadzirirwa yekutarisa ine yemukati oscillator
  • 5 software inosarudzwa magetsi ekuchengetedza modes
  • 1.8v kusvika 5.5v magetsi.
  • Inoita 1 MIPS yekuita, ndokuti miriyoni yemirayiridzo yakaitwa sekondi yega yega.
  • 20 Mhz wachi kuwanda
  • Yakapakirwa, inogona kuve DIP kana PLCC. Nemipini makumi maviri nemasere.

Kana iri yake pinout uye datasheet, unogona dhawunirodha kubva pano.

Chii chinonzi AVR?

Kana iwe ukashamisika chii chinonzi AVR, iri masere-masere RISC-mhando dhizaini yakagadzirwa naAteml kune yayo mutsara we microcontroller. Yakatanga kuve nemimba nevadzidzi vaviri kubva kuNorway Institute of Technology, uye yakazonatswa uye kuvandudzwa naAtmel Norway. Ikozvino yave kushandiswa neATmega, ATxmega, ATtiny, uye AT8 mitsara.

Iko kune kuvaka kunonzi AVR32, inova 32-bit RISC ine rutsigiro rweDSP uye SIMD. Inoshandiswa kune mamwe madhijitari epamberi anoda kuwanda mashandiro uye mashandiro.

Uye zvakare, inotevera a Harvard chirongwa, ine makumi masere makumi masere nemasere nemasere marejista, uye yaigara ichigadzirwa neyekuumbwa C kuitiswa mupfungwa nenzira inoshanda kwazvo.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako