avr-dat
chip
Fuse bit
Atmega328p UNO
| fuse set | UNO-1 | UNO-1 note | UNO-2 | empty | ||
|---|---|---|---|---|---|---|
| e | 05 | FD | FF | |||
| h | DE | DE | D9 | |||
| l | FF | FF | 62 | |||
| LB | 0F | bootloader area NOT visit-able | ? |
Lock bit
- BLB12 BLB11 - app to bootloader
- BLB02 BLB01 - bootloader to app
- LB2 LB1 - visit control to Flash, EEPROM, Fuse (hfuse, lfuse, efuse) and Boot Lock Bit
low fuse
- bootloader area NOT visit-able - lfuse set to 0x0F
- bootloader area visit-able - lfuse set to 0x3F
board
bootloarder
PROG
converter tools
legacy wiki page - https://w.electrodragon.com/w/Category:Arduino#Burning_bootloader
ISP pins
ICSP 6pins
