Computers/Hardware/Components/Processors/AVR

Computers / Hardware / Components / Processors / AVR /

The AVR RISC microcontroller family is made by Atmel Corp. It uses a RISC core running single cycle instructions, and a well defined I/O structure that limits need for external components. Some features in AVR devices: internal oscillators, timers, UART, SPI, pull-up resistors, pulse width modulation, ADC, analog comparator, watch-dog timers. The architecture was created at the Norwegian Institute of Technology (NTH), by two students: Alf-Egil Bogen, Vegard Wollan, and developed further at Atmel Norway AS, a subsidiary founded by them. The chip is supported by Atmel, and by a vibrant, large, and growing user community, which provides free projects, software, tutorials, and much other assistance.

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The Atmel AVR Forum

Many topics: beginners help, Assembly, BASIC, C; projects, technical and hardware; commercial issues; robot car and motor control; computer math.

3
1,344
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18,200
6
8

The AVR Assembler Site

Descriptions, tutorials, many code samples: application notes with commented source code.

2
456
NA
436
60
181

WinAVR

Suite of executable software development tools for Atmel AVR RISC processors, hosted on the Windows platform, has GNU GCC compiler for C/C++. Open source.

5
189
NA
29,100
61
537

Smiley Micros

AVR consulting and related products: C programming book, Butterfly development kit, projects kit, Butterfly carrier; downloads, testimonials.

4
2,135,095
NA
18,000
479
3

AVR Butterfly and Beginners Site

The Butterfly is a credit-card sized demo board from Atmel Corp. It is feature-dense and low cost. Descriptions, tutorials, forum, block diagram, primer, many code samples: application notes with commented source code.

2
454
NA
131
6
181

MCS Electronics

Makes BASCOM AVR/8051 Windows BASIC compiler, educational development board, with tutorials, forum; other embedded electronic systems.

5
418,600
NA
34,500
8,870
2

ScienceProg

AVR tutorials, projects, links; and other science, embedded, biomedical engineering, physics content.

3
184,852
371,044
68,700
2,870
379

AVR Freaks

News in Weblog format, links, forum, tutorials, articles, specifications; devices, tools, projects, vendors. Some areas need registration.

6
93,649
NA
464,000
22,200
376

AVR-Assembler-Tutorial

Introduces assembly programming language for Atmel AVR processors (AT90S) with practical examples. English, Deutsch.

4
913,407
NA
4,110
2,110
4

ATtiny.com: AVR Microcontroller Projects

Many projects; much free information: hex dumps and software, full programs, ASM examples, Manchester code, bi-phase code; tutorials, instructions, tips, tricks, datasheets, diagrams. English, Nederlands.

3
1,702,613
NA
167,000
273
4

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