Hello, I have accidentally changed the fuse bit SUT_CKSEL of an Arduino mega 2560 from 'Ext. Crystal Osc. 8.0- MHz; Start-up time: 16K CK + 65ms' to 'Ext. Clock; Start-up time: 6 CK + 65ms'. The board has become unresponsive now. (I was programming through AVR ISP programmer, AVR Studio) I have tr…

Arduino 2560 fuse recovery

CrossRoads May 8, 2014, 7:15pm 2

Can't you just change the fuses back in AVR Studio?

mega2560.bootloader.low_fuses=0xFF
mega2560.bootloader.high_fuses=0xD8
mega2560.bootloader.extended_fuses=0xFD

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