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commit 99aa6fc501b1a7558dc615665cc10671327e11f1 Author: jsanchez-2g <[email protected]> AuthorDate: Wed Aug 19 16:09:44 2026 -0500 docs/boards: Document the Nucleo F072RB USB CDC configuration. Document the usb-cdc-uart configuration, which keeps NSH on the USART2 ST-LINK virtual COM port and exposes a separate USB CDC/ACM serial device on the STM32 USB FS connector. Assisted-by: GitHub Copilot:claude-opus-5 Signed-off-by: jsanchez-2g <[email protected]> --- Documentation/platforms/arm/stm32f0/boards/nucleo-f072rb/index.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/platforms/arm/stm32f0/boards/nucleo-f072rb/index.rst b/Documentation/platforms/arm/stm32f0/boards/nucleo-f072rb/index.rst index 47be169736e..ab46fac83f1 100644 --- a/Documentation/platforms/arm/stm32f0/boards/nucleo-f072rb/index.rst +++ b/Documentation/platforms/arm/stm32f0/boards/nucleo-f072rb/index.rst @@ -223,3 +223,10 @@ nsh: ---- Configures the NuttShell (nsh) located at examples/nsh. This configuration is focused on low level, command-line driver testing. + +usb-cdc-uart: +-------------- +Configures NSH on USART2 through the ST-LINK virtual COM port and exposes a +separate USB CDC/ACM serial device on the STM32 USB FS connector. The USB +device uses the internal HSI48 oscillator synchronized from USB start of frame +packets through the clock recovery system.
