File list (Check if you may need any files):
avr\boot.h
...\common.h
...\crc16.h
...\delay.h
...\eeprom.h
...\fuse.h
...\interrupt.h
...\io.h
...\io1200.h
...\io2313.h
...\io2323.h
...\io2333.h
...\io2343.h
...\io43u32x.h
...\io43u35x.h
...\io4414.h
...\io4433.h
...\io4434.h
...\io76c711.h
...\io8515.h
...\io8534.h
...\io8535.h
...\io86r401.h
...\io90pwm1.h
...\io90pwm216.h
...\io90pwm2b.h
...\io90pwm316.h
...\io90pwm3b.h
...\io90pwmx.h
...\ioat94k.h
...\iocan128.h
...\iocan32.h
...\iocan64.h
...\iocanxx.h
...\iom103.h
...\iom128.h
...\iom1280.h
...\iom1281.h
...\iom1284p.h
...\iom16.h
...\iom161.h
...\iom162.h
...\iom163.h
...\iom164.h
...\iom165.h
...\iom165p.h
...\iom168.h
...\iom168p.h
...\iom169.h
...\iom169p.h
...\iom16hva.h
...\iom2560.h
...\iom2561.h
...\iom32.h
...\iom323.h
...\iom324.h
...\iom325.h
...\iom3250.h
...\iom328p.h
...\iom329.h
...\iom3290.h
...\iom32c1.h
...\iom32hvb.h
...\iom32m1.h
...\iom32u4.h
...\iom406.h
...\iom48.h
...\iom48p.h
...\iom64.h
...\iom640.h
...\iom644.h
...\iom645.h
...\iom6450.h
...\iom649.h
...\iom6490.h
...\iom8.h
...\iom8515.h
...\iom8535.h
...\iom88.h
...\iom88p.h
...\iom8hva.h
...\iomx8.h
...\iomxx0_1.h
...\iomxx4.h
...\iomxxhva.h
...\iotn11.h
...\iotn12.h
...\iotn13.h
...\iotn15.h
...\iotn167.h
...\iotn22.h
...\iotn2313.h
...\iotn24.h
...\iotn25.h
...\iotn26.h
...\iotn261.h
...\iotn28.h
...\iotn43u.h
...\iotn44.h
...\iotn45.h