16mhz clock - how to output

Projects General Guidance
1

Hi all,

I've searched on google and these forums quite a bit and cannot find a straight answer.

I'm trying to use an IC (AD5934) that needs me to provide a master clock at 16mhz. (the pin is labeled "MCLK" on page 1, figure 1 of the datasheet)

I see that there is a 16mhz crystal on my Arduino Uno.

How do I make the arduino output the 16mhz signal so my IC can use it?

AD5934 datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5934.pdf

2

Enable clock output (change CKOUT fuse). Connect MCLK to CLKO (PB0). Enjoy.

3

Thanks for the quick and concise answer!

After googling CKOUT fuse I was lead to this advice:

"You need to change the fuses at the bootloader level. You can change the settings in boards.txt for your board, then re-burn the bootloader."

So just to confirm I am reading the correct advice/ tutorials do I truly need a second arduino or a programmer to accomplish this fuse changing?

Thanks again you guys rock.

4

Yes.