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gbigden
gbigden
Associate III
March 6, 2015
Question

Clipped sine input for HSE clock input on STM32F303?

  • March 6, 2015
  • 1 reply
  • 601 views
Posted on March 06, 2015 at 10:52

I am using a STM32F303 and need a very high stability clock ie around 1ppm over temperature. One of the modules I am looking at outputs what is described as ''clipped sine''. Can this drive the oscillator input on the MCU without problems?

#clock #stm32f303
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1 reply

Tesla DeLorean
Tesla DeLorean
Guru
March 6, 2015
Posted on March 06, 2015 at 16:51

clipped sine = square wave with a crappy slew rate.

Provided it meets the VIL/VIH requirements I expect it to work fine.

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