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The Atmel ATSTK521 board is a hardware expansion module for the STK500 Starter Kit. It adds support for the Atmel AVR 20-pin AT90PWM81 device.

The STK521 includes connectors, jumpers allowing full support for all features on the AT90PWM81.

The AVR Studio 5 online-help contains the most current information and a complete list of supported devices.


Ordering Code Atmel Store Availability1 Unit Price2 Buy Online
ATSTK521 0 Varies



1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.