Kleiner Bascom AVR Kurs

Der folgende Bascom AVR Kurs ist erstellt von Gerold Penz und kann auch auf seiner Website nachgelesen werden.
Zum Bascom-Kurs von Gerold Penz

Fusebits Standardeinstellungen

Es geht um die Frage, wie die Fusebits in den meisten Fällen eingestellt werden müssen.

Und hier ist sie, die Auflistung der meist eingesetzten Standardeinstellungen der Fusebits für den ATmega8.

mySmartUSB mit "myAVR Workpad Plus"

1 MHz interner RC-Oscillator

Low Fuse

11100001
Brown-out detection level at VCC=2.7 V; [BODLEVEL=1]
Int. RC Osc. 1 MHz; Start-up time: 6 CK + 64 ms; [CHSEL=0001 SUT=10]; default value

High Fuse

11011001
Serial program downloading (SPI) enabled; [SPIEN=0]
Boot Flash section size=1024 words Boot start address=$0C00; [BOOTSZ=00]; default value

Lockbits

11111111
Mode 1: No memory lock features enabled
Application Protection Mode 1: No Lock on SPM and LPM in Application Section
oot Loader Protection Mode 1: No lock on SPM and LPM in Boot Loader Section

8 Mhz interner RC-Oscillator

Low Fuse

11100100
Brown-out detection level at VCC=2.7 V; [BODLEVEL=1]
Int. RC Osc. 8 MHz; Start-up time: 6 CK + 64 ms; [CKSEL=0100 SUT=10]

High Fuse

11011001
Serial program downloading (SPI) enabled; [SPIEN=0]
Boot Flash section size=1024 words Boot start address=$0C00; [BOOTSZ=00]; default value

Lockbits

11111111
Mode 1: No memory lock features enabled
Application Protection Mode 1: No Lock on SPM and LPM in Application Section
Boot Loader Protection Mode 1: No lock on SPM and LPM in Boot Loader Section

3-8 Mhz externer Quarz

Low Fuse

11111111
Brown-out detection level at VCC=2.7 V; [BODLEVEL=1]
Ext. Crystal/Resonator High Freq.; Start-up time: 16K CK + 64 ms; [CKSEL=1111 SUT=11]

High Fuse

11011001
Serial program downloading (SPI) enabled; [SPIEN=0]
Boot Flash section size=1024 words Boot start address=$0C00; [BOOTSZ=00]; default value

Lockbits

11111111
Mode 1: No memory lock features enabled
Application Protection Mode 1: No Lock on SPM and LPM in Application Section
Boot Loader Protection Mode 1: No lock on SPM and LPM in Boot Loader Section

8-16 Mhz externer Quarz

Low Fuse

11111111
Brown-out detection level at VCC=2.7 V; [BODLEVEL=1]
Ext. Crystal/Resonator High Freq.; Start-up time: 16K CK + 64 ms; [CKSEL=1111 SUT=11]

High Fuse

11001001
Serial program downloading (SPI) enabled; [SPIEN=0]
Boot Flash section size=1024 words Boot start address=$0C00; [BOOTSZ=00]; default value
CKOPT fuse (operation dependent of CKSEL fuses); [CKOPT=0]