Atmel MCU Technical Support Center

Atmel® support center for 8051, ARM, AVR®, and AVR®32 microcontrollers.

New search engine! Only available here on the MCU Support Center.
- Full screen results from the search dialog located below the left menu
- Pop-up search results from the dialog located on the top right menu

Search among all documents on www.atmel.com plus here on support.atmel.no. Help your self and search in FAQ's, application notes, user guides, design considerations, peripheral drivers, code examples, and more...

Choose Support language:

English

Chinese 中文

Knowledge Base with FAQ and Online Tools Help A comprehensive FAQ database gives answers to many of the questions you may have. The FAQ is organized into product groups and sub-categories for easy browsing. Online versions of many tools user guides are made available for easy browsing.
Application notes and other documentation Get the most out of your microcontroller with the free application notes and datasheets containing detailed and application specific information. Here you can get quick-start guides, migration notes, design considerations, peripheral drivers, and other useful code examples.
Discussion Forums There is no need to re-invent the wheel! Users world wide are constantly discussing new topics and inventions using Atmel microcontrollers. Be a part of the communities, participate in discussions, and get valuable feedback on any issue you may have.
Training & Events Learn even more! By participating on trainings, seminars, tradeshows, workshops, and conferences world wide you will learn about the latest news and hottest topics. Atmel visits places all over the world to show you new products and features.
Submit Requests Use the Online Technical Support Center to submit your personal request to our product specialists. The ticket based system makes it easy to keep track of your requests. You can browse and search among all your requests to keep track of our answers. You can help us improve by rating the support service.

Forgot your password?

Features for logged in users

• Submit and edit your support requests

• View all your submitted requests

• Subscribe to receive email notifications regarding new products and document updates

Not a member? Register here

Supported Atmel products

The following Atmel product families are handled through this support center:

Use the General Support Form for all other Atmel products, including: AT43USB, AT76C, AT433, AT89C2051, AT89C4051, AT89C55, AT89L, and AT89S.