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MSP430FR6043: Information of Application note about Ultrasonic Sensing

Part Number: MSP430FR6043
Other Parts Discussed in Thread: TIDM-1019

I have two questions about the application note.

1.Liquid Level Sensing

https://www.ti.com/lit/an/slaa951a/slaa951a.pdf

From the application note 2 Test result, it is stated that it can detect 50 ns absolute time, while Figure 2-2 only detects 5us time.

Do you have any information if 50ns detection is feasible?

 

2.Oxygen Concentration Sensing

https://www.ti.com/lit/an/slaa976/slaa976.pdf

In the application note 1 Introduction, there is a description of "measurement periods of less than 10 ms".

Does this statement mean "UPS to UPS1 GAP =10 ms"?

If so, please tell me the specific setup procedure.

Thanks,

Koki

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