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TUSB9261DEMO: Consultation about UAS of Firmware

Chongyu Long
Prodigy 160 points
Part Number: TUSB9261DEMO
Other Parts Discussed in Thread: TUSB9261

Tool/software:

In the usb_chap9.c of the firmware's source code, line 44 and 45. It says that 

#define FORCE_USB2_UAS_DISABLE   1  
#define FORCE_USB3_UAS_DISABLE   1
when I switch 1 to 0. I enable the UAS function.
But UAS is slower than BOT, Why?
  • +1
    TI__Mastermind 27925 points

    Hi Chongyu,

    I'm unsure why that is the case.   There are many things that factor into bandwidth measured from a PC. It will likely require some code review and a protocol analyzer to discover the bottleneck.

    However, the TUSB9261 firmware is provided as-is.  There are not software support resources to help with modifications to the TUSB9261 firmware.

    Regards,

    Nicholaus