tinyAVR®, megaAVR®, and XMEGA® Devices

The AVR devices feature various programming and debugging interfaces. Check the device data sheet for supported interfaces of that device.

Table 1. Programming and Debugging Interfaces Summary
  UPDI TPI SPI debugWIRE JTAG PDI
tinyAVR New devices Some devices Some devices Some devices    
megaAVR     All devices Some devices Some devices  
AVR XMEGA         Some devices All devices