Comments (5)
In order to use an external oscillator, you need to set the correct fuse bits. You do this by selecting the appropriate settings under the tools many and click "Burn bootloader".
Can you post the complete error message you get when you're getting the error message form Avrdude?
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I'm sorry, it seems that the problem was with my USBasp programmer. I was using it to burn the bootloader and it was causing the issue. I used another Arduino as an ISP, and now it works like a charm. Thank you.
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after lots of testing it seems that it does not want to work. the previous time was a one time that worked. after lots of testing it refuse to work with 16mhz external crystal. but with internal crystal it works well. I double checked the fuses and all are correct. any idea why it is not working. after burning boot loader when I try to upload a simple blink sketch it says "avrdude error: programmer is not responding". that's it
from minicore.
after lots of testing it seems that it does not want to work. the previous time was a one time that worked. after lots of testing it refuse to work with 16mhz external crystal. but with internal crystal it works well. I double checked the fuses and all are correct. any idea why it is not working. after burning boot loader when I try to upload a simple blink sketch it says "avrdude error: programmer is not responding". that's it
Please let me know which urboot file i need to take for flash Atmel8. And what should the fuse bit settings be to use the internal crystal (1 or 8 MHz). Because I set the fuse incorrectly and now usbasp programmer sees the atmega8 only with external cristal. I want to remove the external crystal. Here's the project I made https://github.com/jpraus/arduinoflake, but now I can't set the fuse correctly to work without external cristal and i whant flash the urboot and them flash firmware via usb from Arduino IDE. Thanks.
from minicore.
after lots of testing it seems that it does not want to work. the previous time was a one time that worked. after lots of testing it refuse to work with 16mhz external crystal. but with internal crystal it works well. I double checked the fuses and all are correct. any idea why it is not working. after burning boot loader when I try to upload a simple blink sketch it says "avrdude error: programmer is not responding". that's it
Please let me know which urboot file i need to take for flash Atmel8. And what should the fuse bit settings be to use the internal crystal (1 or 8 MHz). Because I set the fuse incorrectly and now usbasp programmer sees the atmega8 only with external cristal. I want to remove the external crystal. Here's the project I made https://github.com/jpraus/arduinoflake, but now I can't set the fuse correctly to work without external cristal and i whant flash the urboot and them flash firmware via usb from Arduino IDE. Thanks.
you don't need to set any fuse, just select atmega8 and then select the click 8mhz and finally click on burn bootloader. that is it
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Related Issues (20)
- urboot bootloaders in MiniCore only for 1 frequency external crystal HOT 4
- Upload bootload for external 16mhz don't work with my usbasp programmer HOT 27
- ATMega328PB Analog Comparator Output pin PE0 HOT 5
- URBOOT timeout is too small for manual reset. HOT 2
- Unable to upload the program to the ATmega328PB at PlatformIO. HOT 6
- LTO problems HOT 2
- Programming question with Minicore HOT 3
- ATmega328PB-AU - signature mismatch HOT 5
- uP_table does not know mcuid 1753 HOT 6
- Upload error: cannot set com-state on COM port and unable to open programmer error HOT 13
- Ch340 upload problem HOT 2
- Problems with atmega 328pb and minicore? HOT 1
- atmega328pb wrong fuse settings? HOT 39
- No separate SPDR0 SPDR1 for the ATMega328PB? HOT 2
- avrdude urclock_res_check() error: HOT 9
- Clock options for ATMega328P are ambiguous HOT 1
- Not able to burn bootloader to Atmega88PB HOT 6
- MCUSR always reports 0 at startup HOT 13
- [feature] New 9.216MHz to Supported clock frequency. HOT 1
- Optiboot backward compatibility HOT 6
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