IAR Embedded Workbench for AVR 6.80.8 Full Atmel coverage We are the only tools supplier that offers a complete toolchain for all Atmel microcontrollers and microprocessors. Atmel and IAR Systems have worked together since 1995, when we participated in the design of the successful AVR 8-bit RISC microcontroller core, and delivered a tailor-made C compiler. Since then, we have developed full-scale support for the Atmel Arm-based microcontrollers, as well as for the AVR 32-bit family and Atmel's 8051-based families. Simply put, we are the only development tools supplier that offers a complete toolchain for all Atmel microcontrollers and microprocessors.