As John cliffer wrote: > I soldered at 300 degree celcius.
I don't think you've got a hardware problem. Normal lead-free soldering happens at 350 °C. > What should be the length of track between ISP connector on PCB & > microcontroller. Depends on the cable, but about 20 cm is usually fine. > Should power supply circuit be kept away from ISP tracks ? Power supply works like shielding, so it's no problem. I've just looked, I do have an AT90CAN128 around in my box which I could probably fit into an STK501. So all I need to get is some kind of USBasp to check this myself. Did you make sure you're using the most recent USBasp firmware version? -- cheers, J"org .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) _______________________________________________ avrdude-dev mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avrdude-dev
