Fuse Options


The AVR processors have "fuse" bits that control options available in a particular model of the AVR processor. The default configuration can be changed by seting or clearing fuse bits in the programming process. The programming utility has a separate tab for reading and writing fuse bits.

We use the ATTiny45 as manufactured except for these two fuse modifications:

  • Brown-out detection ENABLED at 1.8 V.
  • 8x clock divider DISABLED so clock will be 8 MHz.

 

Last edited September 10, 2006
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