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HELP for AD9834 with Aduc-841 Please!!

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selvan0201

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Hi to everyone. I was new to this area just familiar with Aduc-841 but not much more about DDS. I had studied the datasheet of AD9834 but still I have some programming doubts. First of all I would tell what I had done in this project.
1. SPI interfacing done with ADUC – 841.
2. A digital POT is connected to the microcontroller to vary the amplitude of the given signal.
3. Microcontroller clock is 11.0592 MHz
4. Master clock is 40.00MHz

Problems I can’t understand are:

1. How to calculate the frequency using the Mclk.


Any help will be high valued to complete my project.
 

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