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PCM1690-Q1: I2C initialization command timing

Shinji Tsuji
Genius 14804 points

Part Number: PCM1690-Q1
Other Parts Discussed in Thread: PCM1690

Hi team,

At initial power on below, what timing can I start to send I2C initialization command to PCM1690?

Is that after 3846 x SCLK clock cycle, or is that OK to send during internal reset mode?

regards,

  • 0
    TI__Mastermind 49730 points

    Hi, the data sheet says that initialization is triggered automatically once VDD reaches 2.2V. If you need to make changes after that, for best results you should wait until the power down state is released and the device resumes normal operation. 

    Best regards,

    Jeff