Re: [avrdude-dev] Calibration bytes

[Sumeet Pal Singh]

Hi
When I go to terminal mode and read part I get the table in attached file
part.jpg
When I read calibration memory I get one byte which is 0xa5
and on reading signature I get 0x 1e 93 0e
Now where is the calibration byte for 8MHz???



On 10/14/05, Joerg Wunsch <address@hidden> wrote:
>
> As Sumeet Pal Singh wrote:
>
> > I read in the ATmega8515 datasheet that the signature row high bytes
> > contain 4 bytes for calibration in 1,2,4,8 MHz.
>
> This is an implementation detail of the AVRs you don't need to care
> for. avrdude.conf hides that for you.
>
> > If it is not located on chip can someone mail me the calibratin
> > bytes.
>
> ;-)
>
> Nope, they are chip-dependent. In avrdude, they form a memory space
> of its own. It's best to go into terminal mode (avrdude ... -t),
> and then type "cal" to see them.
>
> --
> cheers, J"org .-.-. --... ...-- -.. . DL8DTL
>
> http://www.sax.de/~joerg/ NIC: JW11-RIPE
> Never trust an operating system you don't have sources for. ;-)
>
>

part.JPG
Description: JPEG image

calib.JPG
Description: JPEG image