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MSP430F5528: what is device state if reset is low?

Takuma Ito
Expert 5200 points
Part Number: MSP430F5528

hi 

could you tell me if the device keeps some function when RST is low? such as oscillator is still running? 

I am asking this because customer sees noise spectrum of 25MHz and harmonics with TI's motor driver EVM that uses MSP430F5528. 

  • 0
    TI__Guru 60321 points

    Hi Takuma,

    When the device is in reset, the clock configurations will return to default values (1MHz), and if using XT1 or XT2, those oscillators will stop.  So if there is 25MHz  and harmonics, is it possible there are other sources at that frequency? Do the use an external oscillator to provide a clock to the MSP?

  • 0 in reply to Dennis Lehman
    TI__Guru 60321 points

    Hi Takuma,


    It's been a few days since I have heard from you so I’m assuming your customer was able to resolve their issue.
    I will mark this posting as RESOLVED. If this isn’t the case, please click the "This did NOT resolve my issue" button and reply to this thread with more information.
    If this thread locks, please click the "Ask a related question" button and in the new thread describe the current status of your issue and any additional details you may have to assist us in helping to solve your issues.

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