Is it possible to configure the SDO line of USB 8451 for High Z while idle?

[J_P_R]

I'm using the USB 8451 to communicate via SPI to an microcontroller. Due to some design requrements, I need the SDO line of the USB8451 to idle in the floating/high z state or just as a high output. If the line goes low, it will generate an interrupt and cancel some functions that we are trying to implement.

Is there some way to configure the SDO line to idle high?

Alternatively is there any way to configure the SDO line to idle as a floating lead/high z?

Thanks,

Jon

[Julianne_K]

Hi J_P_R, 

There is not currently a method to toggle the idle state of SDO line in software. However, you can use an inverter, or an inverting op-amp to change the signal to a idle high state to prevent the generation of the interrupt. Will this work for your application?