The SMD AVRs have multiple Vcc and GND pins compared to their PDIP counterparts.
Have you ensured to connect them all. Please make sure also to connect AVcc.
If not all of them are connected the device may not work properly with larger clocks!
Best regards,
Have you ensured to connect them all. Please make sure also to connect AVcc.
If not all of them are connected the device may not work properly with larger clocks!
Best regards,
