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recommendation to avoid noise. msp430 interfaced with sensors

utpal kumar
Expert 2340 points

Other Parts Discussed in Thread: MSP430G2553

Hi All,

I am working on a project using MSP430G2553 ,in which i had directly interfaced sensor with MCU & used one timer pin as interrrupt ,currently product is working fine ,but kindly let me know your recommendation to avoid noise.

  • 0
    Guru 12050 points

    No high freq traces on pcb, keep clk traces below 250KHz, put ground on both sides of a clk trace.
    Keep analog ground separate and let it meet the regular ground at the power source point.

    Don't daisy-chain power and ground traces, try for a tree branch pattern where the trunk is the power source.

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