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Difference in configuration of HMC832LP6GE and HMC833LP6GE

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Hi,

We have used Raspberry PI to interface HMC832LP6GE and generate output.

Now we want to replace the IC with HMC833LP6GE.

Will the same program help us to generate the same output for same reference clock input or whether there would be changes in that? Reason the chips look to be very very similar

I have a feeling that It may be same.

Requesting the community to confirm or guide with. 

Thanks a lot !!



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[edited by: emassa at 2:12 PM (GMT -4) on 14 Sep 2022]
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  • Hi, 

    The SPI is same so you can program the part by using the same interfacing code.

    The PLL register maps are also identical but there are some differences in VCO register maps. You may need to change those settings. Please refer to datasheets for the differences. 

    Regards, Kazim 

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  • Hi, 

    The SPI is same so you can program the part by using the same interfacing code.

    The PLL register maps are also identical but there are some differences in VCO register maps. You may need to change those settings. Please refer to datasheets for the differences. 

    Regards, Kazim 

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