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TPS659037: Why TPS659037 send reset signal?

Daniel Cheng1
Genius 5325 points
Part Number: TPS659037
Other Parts Discussed in Thread: AM5728,

Hi Expert,

custom board AM5728+TPS6590378 can not boot.

I check the signal, pmic will send the reset signal, RESET_OUT(G6) will be low.

What status RESET_OUT will send the reset signal?

Thanks

Daniel

  • 0
    TI__Mastermind 26650 points

    Hello,

    RESET_OUT is released when the power up sequence is complete and one of the following:

    • The 16.384-MHz clock is stabilized if the 16.384-MHz crystal is present and the oscillator is enable.

    • The external 32-kHz clock is stabilized and the 16.384-MHz oscillator is bypassed.

    • The GATE_RESET_OUT_OTP bit is used to allow the TPS659037 device to power up without the

    presence of the 16.384-MHz crystal nor the external 32-kHz clock input.

    Regards