CC2640R2F: Hysteresis current

Hi Jonathan,

I have assigned your question. Please wait for my colleague's response.

Thanks,

Alexis

Hi,

Can you provide a bit of detail on the the use case here?

Thanks

Hi,

Our system necessitates extremely low power consumption.  At present, some GPIO pins are configured as standard logic inputs but noise is causing multiple triggering on slow rising edges.  The time constant associated with these rise times cannot be changed and options such as including a comparator are not feasible.  A possible solution to our problem is to change the GPIO to have hysteresis, but this assumes that the current consumption is not increased too much.

We would like to know if setting the GPIO pins to have hysteresis will increase the system current, and if so by how much per pin?

Also, does adding hysteresis increase the bias current of the pins?  Again, if it does, by how much?

Hi,

I replied a week ago; please see above.  Are you able to provide an update, please?

Sorry fro the delay here.

I assume there will be slight increase in the in energy consumption due to delay caused by hysteresis which will be very small.

But I am trying to get a confirmation from the designers on the exact numbers.

Regards,

Hi,

Are you able to provide an update, please?

Hi,

Please could I have an update on this?

Sorry for the delay on this.

Unfortunately, the current consumption in hysteresis mode is not characterized.

Regards