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freemaster

420 次查看
danvandre
Contributor I

how does your freemaster gui (or pgm) calculate a frequency from rpm entered in the gu ?

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325 次查看
ivadorazinova
NXP Employee
NXP Employee

Hi Dan.

Generally following equation is applies:

freemaster2.png

You must know scale of frequency. Scale * Q.15.

freemaster.png

For example scale = 1000 Hz, if Q1.15 = 0.4, then frequency is 1000*0.4 = 400 Hz

I hope this helps.
Best Regards,

Iva

325 次查看
Carlos_Mendoza
NXP Employee
NXP Employee

Hi Dan,

It would be helpful if you could provide us more information, which MCU are you using? Are you running a demo project?

Thanks in advance!

Best Regards,

Carlos Mendoza

Technical Support Engineer

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