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STM32CubeMX H7S3 RCC_CCIPR1 incorrect initalization code generation

  • November 3, 2025
  • 5 replies
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When using PLL3Q as input with a frequency of 32MHz for USBPHY I have a RCC_CCIPR1 register initialized at value 0x2a00 when entreing USB_CoreReset function that is not correct (should be 0x2b00).

Best answer by Lina Dabasinkaite

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  • Maxime_M
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  • November 3, 2025

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  • Maxime_M
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  • November 3, 2025

Hi,

An internal ticket is submitted to dedicated team for a fix in driver! (220943) It seems  LL_RCC_USBREF_CLKSOURCE is not implemented in current HAL/LL driver.

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  • Maxime_M
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  • Community Manager
  • November 3, 2025

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