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Test System

The table below details the prototyping board and development tools with which the IAR compiler AVR tests were performed.

Hardware Setup

Prototyping board

STK500 prototyping board direct from Atmel



Clock Frequency

8Mhz stated but measured at 7.9MHz.

RAM interface

Internal to the processor

ROM interface

Internal to the processor

Development Tools Setup


IAR Embedded Workbench

Debug information

No debug information.


Speed High (Maximum optimization)

It should be noted that although 8MHz is the maximum frequency for the ATMega323, other processors in the family can be operated at 16MHz.

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