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Topic: Atmel AVR


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In the News (Wed 2 Dec 09)

  
  Atmel AVR 8-Bit RISC Overview
The Atmel AVR microcontrollers are in many ways ideal for educational use in courses, laboratories and projects.
Atmel has an AVR University Program to support and assist the Universities in experiencing the benefits of using AVR microcontrollers.
If you are interested in registering your University to the AVR University Program, complete the application form on the members section.
www.atmel.com /products/avr/university.asp   (104 words)

  
 Atmel AVR programmers, development boards and software development tools
Development tool for Atmel 89S and AVR devices.
Hexmap.exe and reorder.exe are two DOS utilities that allow you to examine and reorder fragmented hex files which some compilers produce.
ATMEL microcomputer chips have been around for some time now and like the PIC chips it took people some time to realize their full potential.
www.quasarelectronics.com /atmel_avr.htm   (508 words)

  
  FreeRTOS - Atmel AVR (MegaAVR) RTOS GCC Port
The AVR WinAVR demo application is configured to run on an Atmel STK500 prototyping board using an AVR ATMega323 embedded processor running at 8MHz.
From V4.1.0 the AVR demo application demonstrates the use of co-routines.
The build process will generate a file called RTOSDemo.elf which is suitable for executing and debugging within the free Atmel AVR Studio IDE, and a file called RTOSDemo.hex which is suitable for burning into the processor.
www.freertos.org /a00098.html   (1142 words)

  
 Atmel Corporation - Industry Leader in the Design and Manufacture of Advanced Semiconductors
Atmel Corporation - Industry Leader in the Design and Manufacture of Advanced Semiconductors
Atmel Corporation is an industry leader in the design and manufacture of advanced semiconductors, with focus on microcontrollers, nonvolatile memory, logic, radio frequency (RF) components and sensors.
Atmel Introduces High-Performance Secure Microcontroller for Mobile Payment and Mobile TV
www.atmel.com   (99 words)

  
 Developing for the Atmel AVR Microcontroller on Linux | Linux Journal
Easy to code for: AVRs were designed from the ground up to allow easy and efficient programming in high-level languages, with a particular focus on C. Easy to program: the combination of onboard reprogrammable Flash program memory and the in-system programming interface keeps the process of transferring software to the microcontroller simple and cheap.
The MCU variable determines the AVR family member for which we are compiling the program, and the PRJSRC variable lists all the Assembly, C and C++ source files used in the project.
Atmel shares a number of interesting project ideas through its AVR application notes, where it details implementation of stepper motor controllers, IR remote control receivers and transmitters and even an embedded Web server.
www.linuxjournal.com /article/7289   (2847 words)

  
  Atmel AVR ATmega16 / ATmega32 Programmer - Cheap Parallel Port Programmer
If the output is like "Atmel AVR similar to the ATmega161 is found." or it doesn't recognize the device at all, install a new version of uisp.
The Atmel microcontrollers are shipped with the internal RC oscillator enabled, so in order to use an external resonator or crystal oscillator, you have to change the internal fuse bits.
Atmel AVR similar to the ATmega161 is found.
www.captain.at /electronics/atmel-programmer   (857 words)

  
 Projects for Atmel AVR embedded processors
The AVR is a 8 bit RISC microcontroller family produced by the Atmel Corporation.
The AVR processors are good processors for hobbyists, there are free development environments available and the processors can be burned in-circuit with just a few wires to the parallel port of a PC.
Atmel Corporation, the producer of the AVR Controller family.
soeren.informationstheater.de /avr/Index.html   (170 words)

  
 [No title]
Atmel invites you to a one-day microcontroller seminar with a look into the AVR, ARM, and 8051 product offerings, including their ASSP offerings, spanning from integrated ZigBee to MP3 players and USB Hubs.
Flexibility, programmability, affordability, and applicability—these are the ties that bind the various members of the Atmel AVR microcontroller family.
Like several other entrants, he was so impressed with the various members of the AVR family that he actually put two of them to work in his prize-winning design.
www.lycos.com /info/atmel--atmel-avr.html   (516 words)

  
 JED Microprocessors: Atmel AVR powered single board computers, modules and peripherals
The AVR CPU be simulated and programmed in ASM (using free tools from Atmel), in C or in BASIC.
Atmel data sheets for the CPU options on this board are at: Atmel Data Sheets
We are quite unhappy that Atmel has dropped the 10-pin support without any warning, and will soon make available an adapter board to convert the 6-pin cable to the 10 and 14 pin standards.
www.jedmicro.com.au /avr.htm   (1852 words)

  
 AVR projects and AVR Butterfly gcc port
AVR Butterfly: low-power-controller, on-board 4Mbit Dataflash, simple "human-interface", A/D converter on-chip, some free I/O-pins: predetermined to be used for data-logging.
This is a port of the Atmel VT100 terminal-driver to avr-gcc/avr-libc.
Some experimental versions of the AVR programming software avrdude This versions are for testing only and not supported by the main avrdude developers.
www.siwawi.arubi.uni-kl.de /avr_projects   (4518 words)

  
 Electronics -- Atmel/AVR-programming   (Site not responding. Last check: )
The AVR 8bit RISC family of microcontrollers can easily be used in self-made circuits.
These devices, manufactured by Atmel, come with some EEPROM (128..512 bytes), Flash (2..>16kb) and SRAM (<1kb) and a varying number of IO pins, PWMs, watchdog and other things you may need.
All my newer devices containing Atmel controllers have the same 9-pin SUB-D port which can be connected directly to the USB programmer.
www.cip.physik.uni-muenchen.de /~wwieser/elec/avr   (606 words)

  
 Farba Research Support for the Atmel AVR
We have been using the AVR series for quite a while now, in a wide range of embedded applications, and the experience has been so positive that we intend to use only Atmel AVRs for all in-house microcontroller projects.
All members of the AVR family have flash memory for program storage and EEPROM memory for non-volatile parameter storage, and all but the smallest (least expensive) have static memory for runtime data storage and a hardware stack-pointer.
If you are contemplating a new 8-bit microcontroller project, we invite you to contact us for some free advice on using an AVR for the job, and for a free estimate of what we would charge to handle some or all of the job for you.
www.farbaresearch.com /atmelavr.htm   (539 words)

  
 Shop All American Online - Atmel AVR   (Site not responding. Last check: )
The AVR ICE50 is a top-of-the-line development tool for complete in-circuit emulation of most AVR 8-bit RISC microcontrollers.
AVR Butterfly is an evaluation tool demonstrating the capabilities of the latest AVR Technology.
AVR® In-System Programmer mkII is used for field upgrades of AVR Flash microcontrollers.
buy.allamerican.com /atmelavr.html   (1159 words)

  
 AVR Embedded Microcontroller Resources
Baritek AVR Development tools - This site has some development boards and socket adapters to help with the Atmel AVR.
The DCK AVR pseudo-parallel programmer - This programmer is supposed to enable you to program the RC Osc bit and other things that you can't do with the serial ISP.
Atmel and AVR are Registered Trademarks of Atmel Corporation, 2325 Orchard Parkway, San Jose, CA 95131, USA.
www.ipass.net /hammill/newavr.htm   (2897 words)

  
 AVR USB - A Firmware-Only USB Driver for Atmel AVR Microcontrollers
AVR-USB is a firmware-only implementation of a USB 1.1 compliant low-speed device for Atmel's AVR microcontrollers.
It runs on any AVR microcontroller which has at least 2 kB of Flash memory, 128 bytes RAM and can be clocked at 12 MHz.
If you need to run the AVR at 5 V, add 3.6 V zener diodes at D+ and D- to limit the voltage.
www.obdev.at /products/avrusb   (422 words)

  
 TechOnline | Introduction to Atmel's 8-bit AVR Microcontrollers   (Site not responding. Last check: )
AVR delivers unmatched flexibility, combining the most code-efficient architecture for C and assembly programming with the ability to tune system parameters throughout the entire life cycle of your key products.
Atmel Corporation, founded in 1984, is a worldwide leader in the design, manufacturing and marketing of advanced semiconductors, including advanced logic, nonvolatile memory, mixed signal and RF integrated circuits.
Atmel is one of the elite new companies capable of integrating dense nonvolatile memory, logic and analog functions on a single chip.
www.techonline.com /learning/livewebinar/2700015   (422 words)

  
 AVR Butterfly Primer
The following diagram comes from section 3.7 in the AVR Butterfly Eval Kit Users Guide The smaller table is unreadable in the pdf, so dont bother trying to read it here or in the pdf, use the larger table to hook up your three wires...Some soldering is required/recommended.
What I did was stick an led on the port b pins on the AVR board, which is the 10 pin horizontal group on the lower left side of the board.
The source code for the bootloader is available on atmels website, looking at the code (main.c mostly) its pretty simple to see what you have to do to make it work.
www.dwelch.com /avr   (1922 words)

  
 AVR Bootloaders
In the case of AVR processors, the bootloader program is usually 256-4096 assembly instuctions long and resides in a special portion of the FLASH memory called the bootblock.
Your AVR processor must match the one for which the bootloader is designed.
AVR Studio's notation for the Boot Reset Vector is somewhat confusing.
hubbard.engr.scu.edu /embedded/avr/bootloader/index.html   (775 words)

  
 Atmel AVR Development Tools
Atmel AVR and ATMega Boards for: application prototyping, development, training and education, embedded Ethernet, AVR web server boards;
Atmel AVR Training Kit with Parallel ISP & Serial JTAG
Atmel AVR ISP Adapter, 10-pin to 6-pin (Atmel Butterfly)
microcontrollershop.com /default.php?cPath=110   (210 words)

  
 Atmel AVR, atmega, Microcontroller, embedded controller
The Atmel AVR and the Microchip PIC are very similar (Harvard architecture) lines of microcontrollers.
Speed: Not only are most AVRs capable of 20MHz (even really cheap ones like the ATtiny25/45/85 and ATmega48), but they actually run at near 20 MIPS; the PIC chips I'm aware of at a higher price (for example, PIC16F88) only run at 5 MHz with a 20 MHz oscillator frequency.
Power: Atmel AVRs have fairly low power, but the TI MSP430 series has the lowest power of any microcontroller.
www.piclist.com /techref/atmel/avr/index.htm   (869 words)

  
 All You Need To Get Started with The Atmel AVR 8-bit RISC Microcontroller (MCU)
The Atmel AVR is a family of 8-bit RISC-like MCUs.
One thing to keep in mind when connecting things to the pins of the AVR is that for In System Programming (ISP) to work even with stuff connected, the MOSI, MISO, and SCK pins must be connected to an input device, that is, must be configured as outputs in normal operations.
The AVR GCC works really well, but it can be very hard to find the mix of latest releases and set up the tools as they are scattered out over the web and partly in the mailing list.
not.meko.dk /Hacks/AVR/getting_started.html   (1111 words)

  
 Active Robots - Atmel AVR Family - Microcontrollers - CPU Boards - UK
The MR-162 uses an Atmega162 (Atmel AVR series) CPU chip as a microcontroller.
The MR-16 uses an Atmega16L (Atmel AVR series) CPU chip as a microcontroller.
AVR ISP Downloader is a tool to burn AVR CPUs using a PC printer port.
www.active-robots.com /products/controllr/atmel-avr.shtml   (863 words)

  
 Atmel AVR microcontrollers
All the AVR stuff is included in the regular distributions of the GNU toolchain.
A GNU Development Environment for the AVR Microcontroller by Richard M. Neswold, Jr.
AVR Libc Home Page: all about the C library libc for use with GCC on Atmel AVR microcontrollers.
www.inf.ethz.ch /personal/kasten/research/bathtub/avr   (1445 words)

  
 Atmel AVR microcontrollers | Windmeadow Labs
Howto: Using a 74HC595N shift register latch with an Atmel AVR
The 3 avr pins that connect to that latch are pins: 14 (serial input pin), 11 (clock pin) and 12 (latch).
Howto: Using external interrupts on an Atmel AVR microprocessor
www.windmeadow.com /taxonomy/term/5   (868 words)

  
 AVR Freaks :: View topic - When I run the Atmel AVR Studio 4.2, I get a error !
AVR Freaks :: View topic - When I run the Atmel AVR Studio 4.2, I get a error !
AVR studio 4 forum - When I run the Atmel AVR Studio 4.2, I get a error !
Also looking to install the AVR Studio 4.12 Service Pack 2 but can't seem to get anything to work.
www.avrfreaks.net /index.php?name=PNphpBB2&file=printview&t=38553&start=0   (366 words)

  
 AVR
Learning AVR assembler language with practical examples in german and in english language, complete instruction set discussion, including small applications, etc.
WinAVR (pronounced "whenever") is a suite of executable, open source software development tools for the Atmel AVR series of RISC microprocessors hosted on the Windows platform.
CARACA is a home automation project based on a net of interconnected programmable circuits suited to perform different tasks like switch on/off appliances, decode commands from Ir remote control units, control thermostats, measure temperature and more.
r.webring.com /hub?ring=avr   (373 words)

  
 AVR Libc Home Page
AVR Libc is a Free Software project whose goal is to provide a high quality C library for use with GCC on Atmel AVR microcontrollers.
AVR Libc is licensed under a single unified license.
This so-called modified Berkeley license is intented to be compatible with most Free Software licenses like the GPL, yet impose as little restrictions for the use of the library in closed-source commercial applications as possible.
www.nongnu.org /avr-libc   (295 words)

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