Arduino Default Fuse Settings
Written on
June
25th,
2011
by
Cody Snider
Here are the default fuse settings for each Arduino from the boards.txt included with the Arduino development software.
To understand more about the fuse settings for your microcontroller, visit Engbedded’s AVR Fuse Calculator.
To write fuse settings, you will need a programmer with this capability. I use Mighty Ohm’s high-voltage rescue shield available here.
Arduino Uno
Low Fuse
|
0xFF
|
High Fuse
|
0xDE
|
Extended Fuse
|
0x05
|
Arduino Duemilanove or Nano w/ ATmega328
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0x05
|
Arduino Diecimila, Duemilanove, or Nano w/ ATmega168
Low Fuse
|
0xFF
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino Mega 2560
Low Fuse
|
0xFF
|
High Fuse
|
0xD8
|
Extended Fuse
|
0xFD
|
Arduino Mega (ATmega1280)
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0xF5
|
Arduino Mini
Low Fuse
|
0xFF
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino Fio
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0x05
|
Arduino BT w/ ATmega328
Low Fuse
|
0xFF
|
High Fuse
|
0xD8
|
Extended Fuse
|
0x05
|
Arduino BT w/ ATmega168
Low Fuse
|
0xFF
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
LilyPad Arduino w/ ATmega328
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0x05
|
LilyPad Arduino w/ ATmega168
Low Fuse
|
0xE2
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega328
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0x05
|
Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega168
Low Fuse
|
0xFF
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega328
Low Fuse
|
0xFF
|
High Fuse
|
0xDA
|
Extended Fuse
|
0x05
|
Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega168
Low Fuse
|
0xC6
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino NG or older w/ ATmega168
Low Fuse
|
0xFF
|
High Fuse
|
0xDD
|
Extended Fuse
|
0x00
|
Arduino NG or older w/ ATmega8
Low Fuse
|
0xDF
|
High Fuse
|
0xCA
|