Any ideas on how to circumvent this problem? I’ve seen somewhere that a blank mega needs an external clock or crystal driving the xtal1/2 pins in order to be programmed, but I’m not sure if this is the problem I am encountering.Īny pointers would be much appreciated, thank you! This is essentially telling me that the ucontroller isn’t even being recognized, despite the thing being wired correctly with the connector. when I use the -F command to bypass this error, I then receive this:Īvrdude: Yikes! Invalid device signature.Īvrdude: Expected signature for ATMEGA644P is 1E 96 0A I have attached a jumper to slow down the clock on the usbasp, as to not program at 375kHz, but this problem still is occuring. please check for usbasp firmware update.Īvrdude: error: programm enable: target doesn’t answer. I am currently trying to program the ATMEGA644P using a usbasp connector, and I keep encountering this problem when using the ‘make’ and ‘make bake’ commandĪvrdude: warning: cannot set sck period.
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