Apejuwe
AT90CAN32/64/128 jẹ agbara-kekere CMOS 8-bit microcontroller ti o da lori imudara AVR faaji RISC.Nipa ṣiṣe awọn ilana ti o lagbara ni akoko aago kan, AT90CAN32/64/128 ṣe aṣeyọri awọn igbejade ti o sunmọ 1 MIPS fun MHz ti n gba oluṣeto eto lati mu agbara agbara pọ si ni iyara sisẹ.Ipilẹ AVR n ṣajọpọ eto itọnisọna ọlọrọ pẹlu awọn iforukọsilẹ iṣẹ ṣiṣe gbogbogbo 32.Gbogbo awọn iforukọsilẹ 32 ni asopọ taara si Ẹka Iṣiro Iṣiro (ALU), gbigba awọn iforukọsilẹ ominira meji lati wọle si ni ilana ẹyọkan kan ti a ṣe ni akoko aago kan.Abajade faaji jẹ koodu daradara diẹ sii lakoko ti o n ṣaṣeyọri awọn igbejade titi di igba mẹwa yiyara ju awọn alabojuto CISC deede.AT90CAN32/64/128 n pese awọn ẹya wọnyi: 32K/64K/128K awọn baiti ti In-System Programmable Flash pẹlu awọn agbara kika-Nigba-Kọ, 1K/2K/4K baiti EEPROM, 2K/4K/4K baiti SRAM, 53 idi gbogbogbo Awọn laini I/O, awọn iforukọsilẹ iṣẹ gbogbogbo 32, oluṣakoso CAN, Counter Real Time (RTC), Aago / Awọn iṣiro rọ mẹrin pẹlu awọn ipo afiwera ati PWM, 2 USARTs, Baiti Oorun Ni wiwo Serial Waya Meji, ikanni 8 kan 10 -bit ADC pẹlu ipele titẹ sii iyatọ iyan pẹlu ere eto, Aago Watchdog ti eto pẹlu Oscillator inu, ibudo SPI tẹlentẹle, IEEE std.1149.1 ifaramọ JTAG ni wiwo idanwo, tun lo fun iraye si eto Debug On-chip ati siseto ati awọn ipo fifipamọ agbara yiyan sọfitiwia marun.Ipo Idle da Sipiyu duro lakoko gbigba SRAM, Aago/Awọn kika, awọn ebute oko oju omi SPI/CAN ati eto idalọwọduro lati tẹsiwaju iṣẹ.Ipo agbara-isalẹ ṣafipamọ awọn akoonu iforukọsilẹ ṣugbọn didi Oscillator di didi, mu gbogbo awọn iṣẹ chirún kuro titi di idalọwọduro atẹle tabi Tunto Hardware.Ni ipo fifipamọ agbara, aago asynchronous tẹsiwaju lati ṣiṣẹ, gbigba olumulo laaye lati ṣetọju ipilẹ aago kan nigba ti iyoku ẹrọ naa n sun.Ipo Idinku Ariwo ADC da Sipiyu duro ati gbogbo awọn modulu I/O ayafi Aago Asynchronous ati ADC, lati dinku ariwo iyipada lakoko awọn iyipada ADC.Ni ipo Imurasilẹ, Crystal/Resonator Oscillator nṣiṣẹ nigba ti iyoku ẹrọ naa n sun.Eyi ngbanilaaye ibẹrẹ iyara pupọ ni idapo pẹlu agbara kekere.Awọn ẹrọ ti wa ni ti ṣelọpọ nipa lilo Atmel ká ga-iwuwo ti kii-iyipada iranti iranti.Filaṣi ISP Onchip ngbanilaaye iranti eto lati tun ṣe ni eto nipasẹ wiwo ni tẹlentẹle SPI, nipasẹ oluṣeto iranti ti kii ṣe iyipada ti aṣa, tabi nipasẹ eto Boot On-chip ti n ṣiṣẹ lori mojuto AVR.Eto bata le lo eyikeyi wiwo lati ṣe igbasilẹ eto ohun elo ninu ohun elo Flash iranti.Sọfitiwia ni apakan Boot Flash yoo tẹsiwaju lati ṣiṣẹ lakoko ti apakan Flash Ohun elo ti ni imudojuiwọn, pese iṣẹ ṣiṣe kika-Nigba-Kọ tootọ.
Awọn pato: | |
Iwa | Iye |
Ẹka | Awọn iyika Iṣọkan (ICs) |
Ifibọ - Microcontrollers | |
Mfr | Microchip ọna ẹrọ |
jara | AVR® 90CAN |
Package | Atẹ |
Ipo apakan | Ti nṣiṣe lọwọ |
mojuto ero isise | AVR |
Core Iwon | 8-Bit |
Iyara | 16MHz |
Asopọmọra | CANbus, EBI/EMI, I²C, SPI, UART/USART |
Awọn agbeegbe | Brown-jade Ṣawari / Tunto, POR, PWM, WDT |
Nọmba ti I/O | 53 |
Eto Iwon Iranti | 128KB (128K x 8) |
Eto Iranti Iru | FILASI |
EEPROM Iwon | 4k x8 |
Ramu Iwon | 4k x8 |
Foliteji - Ipese (Vcc/Vdd) | 2.7V ~ 5.5V |
Data Converter | A/D 8x10b |
Oscillator Iru | Ti abẹnu |
Awọn iwọn otutu ti nṣiṣẹ | -40°C ~ 85°C (TA) |
Iṣagbesori Iru | Oke Oke |
Package / Ọran | 64-TQFP |
Package Device Olupese | 64-TQFP (14x14) |
Nọmba Ọja mimọ | AT90CAN128 |