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Using USB and SDIO On STM32F4 Without External Crystal or Oscillator

Question asked by quek.sung.001 on Jun 18, 2014
Latest reply on Jun 18, 2014 by Clive One
Hi,

I am novice in MCU. I am wondering can I use the USB and SDIO on STM32F4 without external crystal? Will the internal oscillator be sufficient?

Thanks.

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