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Refer to the attached schematics of SP7350 IO Board (20241106):

View file
nameC3V-W IO BOARD V1.1c-20241106.pdf

Revision history:

  1. V1.1 First release.

  2. V1.1b Fix some errata.

    1. Support DDC function:

      1. R415: NC → 0R

      2. R416: NC → 0R

    2. Fix wrong resistor value:

      1. R103: 900K → 910K

  3.  V1.1c Increase VBUS voltage of USB ports

    1. Increase VBUS voltage of USB2.0 Type A ports

      1. R15: 28K → 27K

    2. Increase VBUS voltage of USB3.0 Type A ports

      1. R25: 28K → 27K

    3. Increase VBUS voltage of USB3.0 Type C ports

      1. R33: 31.6K → 30.1K