Problem: Flashing and external clock

Microchip in-system programming solution: SAM-BA

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shul
Posts: 1
Joined: Thu Dec 15, 2005 12:53 pm

Problem: Flashing and external clock

Thu Dec 15, 2005 2:16 pm

Hello,

I am using the AT91SAM7X-EK dev kit with an external clock (25MHz).
I try to connect to the board using SAM-BA to flash the board through the serial debug port but it fails.
I assume it is quite a common problem… Does someone could provide me the typical solution?
Thank in advance.

Stephane
Edward
Posts: 8
Joined: Thu Dec 15, 2005 11:20 am

Re: Problem: Flashing and external clock

Fri Dec 16, 2005 5:09 pm

"Communication through the DBGU supports a wide range of crystals from 3 to 20 MHz via software auto-detection."
Maybe you should try to use slower crystal.
shul wrote:Hello,

I am using the AT91SAM7X-EK dev kit with an external clock (25MHz).
I try to connect to the board using SAM-BA to flash the board through the serial debug port but it fails.
I assume it is quite a common problem… Does someone could provide me the typical solution?
Thank in advance.

Stephane

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