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STM32: set USB initialization delay to 1µs #3700

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Merged
merged 1 commit into from
Dec 31, 2024

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fwolter
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@fwolter fwolter commented Dec 30, 2024

I scoured the device datasheets of the following devices. All state a t_STARTUP of max 1µs.

  • STM32U073x8/B/C
  • STM32H503xx
  • STM32G0B1xB/xC/xE
  • STM32F722xx STM32F723xx
  • STM32F405xx, STM32F407xx
  • STM32F21xxx
  • STM32C071x8/xB
  • STM32L462CE STM32L462RE STM32L462VE
  • STM32L053x6 STM32L053x8
  • STM32F303xD STM32F303xE
  • STM32F102x8, STM32F102xB
  • STM32F072x8 STM32F072xB

I did not find any device with a differently specified t_STARTUP.

Here is an example:
grafik

@Dirbaio Dirbaio added this pull request to the merge queue Dec 31, 2024
@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Dec 31, 2024
@Dirbaio Dirbaio merged commit 667dfa3 into embassy-rs:main Dec 31, 2024
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@fwolter fwolter deleted the usb-delay branch December 31, 2024 10:39
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2 participants