Avr fuse bits doubt???

[Elimathew]

hey guys im using atmega 168A -pu im beginner with avr i have some basic doubts as to can i use 20mhz crystal and if so ive done the fuse settings can you please tell me if its right spien-programmed(logic 0) brownout programmed to 4.3V BODLEVEL1=programmed(logic 0) BODLEVEL0=programmed(logic 0) BOOTSZ1=programmed(logic 0) BOOTSZ0= programmed(logic 0) rest all are unprogrammed and can you please tell what is BOOTSZ ?
thanks in advance

 

[nandhu015]

what is BOOTSZ ?

Size of the bootloader

 

[Elimathew]

thanks for the reply,what about my other question is the fuse setting right, can you give me link where bootsection is explained clearly

 

[zembedded]

just found one https://www.engbedded.com/fusecalc

 

[Elimathew]

hey zembedded thanks for the reply,i have used the engbedded fuse calculator i wanted that my fuse setting is confirmed right so that i should not damage my chip

 

[nandhu015]

Do you use bootloader in your application? If not then there is no need to set bootloader size

 

[zembedded]

Welcome my friend, it would have been really appreciated if your could have pressed helped....never mind thanks!