## 4.1 AVRDUDE Defaults

`default_parallel = "default-parallel-device";`

  Assign the default parallel port device. Can be overridden using the ‘`-P`’ option.

`default_serial = "default-serial-device";`

  Assign the default serial port device. Can be overridden using the ‘`-P`’ option.

`default_programmer = "default-programmer-id";`

  Assign the default programmer id. Can be overridden using the ‘`-c`’ option.

`default_bitclock = "default-bitclock";`

  Assign the default bitclock value. Can be overridden using the ‘`-B`’ option.