For further information on related AVR products and IDE, refer to the links below:
www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/avr-mcus
Find the preferred device and go to the product page. All relevant application notes can be found under the documentation tab.
www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/avr-mcus