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TUSB320LAI: What's the specific meaning of "UFP accessory Support" in the 0X09 register Bit0 of TUSB320LAI?

Hao(SH) Zhang
Intellectual 865 points
Part Number: TUSB320LAI

Hi everyone,

I want to ask for:

What's the specific meaning of "UFP accessory Support" in the 0X09 register Bit0 of TUSB320LAI? I would like to know more about this . Thank you~

Best regards,

Analog filed application engineer, Hao.

  • 0
    TI__Guru**** 176851 points

    Hi,

    Please reference to the USB Type-C specification and section 7.2.3 Accessory Support of TUSB320LAI datasheet. The TUSB320LAI device supports audio and debug accessories in UFP, DFP mode and DRP mode. Audio and debug accessory support is provided through reading of I 2C registers. Audio accessory is also supported through GPIO mode with INT_N/OUT3 pin (audio accessory is detected when INT_N/OUT3 pin is low).

    Thanks

    David