11.3.1.5 Fuses

The fuses contain device configuration values and are copied to their target registers at the end of the start-up sequence. Fuses are not altered by a chip erase.

Only the UPDI can configure the fuses, but both the CPU and the UPDI can read them.

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.