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TMS320F280025: external crystal amplitude requirement

Angela Zou
Intellectual 1095 points

Part Number: TMS320F280025

Dear expert,

What is the amplitude requirement of external crystal? I can not find it in the datasheet.

  • 0
    TI__Mastermind 42830 points

    Hi Angela,

    Crystal pins X1/X2 operate on 3.3V level and this level would be reached once oscillation is established by the external crystal.  Amplitude is actually not a requirement when choosing a crystal.  What matters is the drive level. The crystal chosen should meet the max 1mW requirement specified in the DS.

    Best regards,

    Joseph