Apejuwe
Atmel AVR XMEGA jẹ ẹbi ti agbara kekere, iṣẹ giga, ati agbeegbe ọlọrọ 8/16-bit microcontrollers ti o da lori imudara AVR faaji RISC.Nipa ṣiṣe awọn ilana ni ọna aago kan, ẹrọ AVR XMEGA ṣaṣeyọri awọn ohun elo Sipiyu ti o sunmọ awọn ilana miliọnu kan fun iṣẹju kan (MIPS) fun megahertz, gbigba oluṣeto eto lati mu agbara agbara pọ si ni iyara sisẹ.Sipiyu AVR darapọ eto ẹkọ ọlọrọ pẹlu awọn iforukọsilẹ idi gbogbogbo 32.Gbogbo awọn iforukọsilẹ 32 ni o ni asopọ taara si ẹyọkan iṣiro iṣiro (ALU), gbigba awọn iforukọsilẹ ominira meji lati wọle si ni itọnisọna kan, ti a ṣe ni akoko aago kan.Abajade faaji jẹ koodu daradara diẹ sii lakoko ti o n ṣaṣeyọri awọn iṣelọpọ ni ọpọlọpọ igba yiyara ju ikojọpọ ẹyọkan ti aṣa tabi awọn alabojuto orisun CISC.Awọn ẹrọ AVR XMEGA A3U pese awọn ẹya wọnyi: filasi ti eto inu eto pẹlu awọn agbara kika-lakoko;ti abẹnu EEPROM ati SRAM;oluṣakoso DMA mẹrin-ikanni, eto iṣẹlẹ ikanni mẹjọ ati oluṣakoso idalọwọduro multilevel ti eto, 50 idi gbogboogbo I / O laini, 16-bit counter-time counter (RTC);meje rọ, 16-bit aago / ounka pẹlu afiwe ati PWM awọn ikanni;USARTs meje;meji meji-waya ni tẹlentẹle atọkun (TWIs);ọkan ni kikun iyara USB 2.0 ni wiwo;mẹta ni tẹlentẹle agbeegbe atọkun (SPI);AES ati DES cryptographic engine;meji 16-ikanni, 12-bit ADCs pẹlu eto ere;ọkan 2-ikanni 12-bit DAC;mẹrin afọwọṣe comparators (ACs) pẹlu window mode;aago aago aago eto pẹlu oscillator inu inu lọtọ;awọn oscillators inu deede pẹlu PLL ati prescaler;ati wiwa brown-jade ti eto.Eto naa ati wiwo aṣiṣe (PDI), iyara, wiwo-meji-pin fun siseto ati ṣatunṣe, wa.Awọn ẹrọ naa tun ni IEEE std kan.1149.1 ifaramọ JTAG ni wiwo, ati eyi tun le ṣee lo fun ọlọjẹ ala, yokokoro lori-chip ati siseto.
Awọn pato: | |
Iwa | Iye |
Ẹka | Awọn iyika Iṣọkan (ICs) |
Ifibọ - Microcontrollers | |
Mfr | Microchip ọna ẹrọ |
jara | AVR® XMEGA® A3U |
Package | Atẹ |
Ipo apakan | Ti nṣiṣe lọwọ |
mojuto ero isise | AVR |
Core Iwon | 8/16-Bit |
Iyara | 32MHz |
Asopọmọra | I²C, IrDA, SPI, UART/USART, USB |
Awọn agbeegbe | Brown-jade Ṣawari / Tunto, DMA, POR, PWM, WDT |
Nọmba ti I/O | 50 |
Eto Iwon Iranti | 256KB (128K x 16) |
Eto Iranti Iru | FILASI |
EEPROM Iwon | 4k x8 |
Ramu Iwon | 16k x8 |
Foliteji - Ipese (Vcc/Vdd) | 1.6V ~ 3.6V |
Data Converter | A/D 16x12b;D/A 2x12b |
Oscillator Iru | Ti abẹnu |
Awọn iwọn otutu ti nṣiṣẹ | -40°C ~ 85°C (TA) |
Iṣagbesori Iru | Oke Oke |
Package / Ọran | 64-VFQFN fara paadi |
Package Device Olupese | 64-QFN (9x9) |
Nọmba Ọja mimọ | ATXMEGA256 |