USB receiver sensitivity Fail

[Ciple]

My system have a EZ-USB FX2LP.

In "Receiver sensitivity Test", my system is failed.

"Pass Limits:<= 200.000 mVDevice receiver sensitivity [218] (Worst of 2 Trials)229.100 mV # Trials Run: 2Worst Trial: Trial 1"

Is there a control register for "Receiver sensitivity"

Thanks.

[MallikaK_22 · Accepted solution]

Hi,

There is no such control register for receiver sensitivity.

However, the issue is mostly related to grounding of the board. Hardware change would be required. Please refer to FX2LP Hardware Design Guidelines: https://www.cypress.com/file/135006/download 

Regards,

Mallika