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ooztu.1139
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November 14, 2019
Question

STM32CubeMX Version 5.1.0 FATFS SDIO Generates Pins With no-pull Causes SD Card Communication Error

  • November 14, 2019
  • 0 replies
  • 454 views

On STM32CubeMX Version 5.1.0 when i tried to access SD card f_mount function always return FR_NOT_READY because SDIO_D0, SDIO_D1, SDIO_D2, SDIO_D3 and SDIO_CMD pins generated with no-pull and that causes issue while communication. After i changed these pins to pull-up all my problems gone.

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