Programmers and Debuggers

Status LED

A 3-color LED indicates the status of the Atmel AVRISP mkII. Check Troubleshooting to check for solutions if the there are any errors.

Figure 1. AVRISP mkII Status LED


Table 1. AVRISP mkII Status LED
LED color Description
Red Idle - No target power
Green Idle - With target power
Orange Busy - Programming
Orange blinking Reversed target cable connection, or not correct pull-up on the reset line
Red blinking Short-circuit on target
Red - Orange blinking Upgrade mode
There is also a green LED inside the AVRISP mkII enclosure next to the USB connector. This LED indicates USB traffic.