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TIDA-01421: Need help for explaining block function in the reference design

Part Number: TIDA-01421

Hi team,

Customer is asking a solution for motor speed detection and I find TIDA-01421 is very useful. But I am confused about the block function, so, could you help with below questions?

  • As it says, it would calculate the speed by using below equation. But why we still have further block(like the comparator)? Could you help to explain how each block co-work to detect the speed?(User guide is not detail enough)

  • How do I get the EVM of TIDA-01421 for test?

Wish to get your reply as soon as possible. Thanks!