0 7 lfuse CKDIV8 0 Divide clock by 8 1 6 lfuse CKOUT 1 Clock output 2 5 lfuse SUT1 1 Select start-up time 3 4 lfuse SUT0 0 Select start-up time 4 3 lfuse CKSEL3 0 Select Clock Source 5 2 lfuse CKSEL2 0 Select Clock Source 6 1 lfuse CKSEL1 1 Select Clock Source 7 0 lfuse CKSEL0 0 Select Clock Source 8 7 hfuse RSTDISBL 1 External reset disable 9 6 hfuse DWEN 1 debugWIRE Enable 10 5 hfuse SPIEN 0 Enable Serial programming and Data Downloading 11 4 hfuse WDTON 1 Watchdog Timer Always On 12 3 hfuse EESAVE 1 EEPROM memory is preserved through chip erase 13 2 hfuse BODLEVEL2 1 Brown-out Detector trigger level 14 1 hfuse BODLEVEL1 1 Brown-out Detector trigger level 15 0 hfuse BODLEVEL0 1 Brown-out Detector trigger level 16 0 efuse SELFPRGEN 1 Self Programming Enable