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37 lines
862 B
Markdown
37 lines
862 B
Markdown
# Nucleo-F303RE
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_DigitalAudio485 prototype with STM32 Nucleo-F303RE board_
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Initial state: STM32 Nucleo-F303RE board with factory settings
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[[doc/images/NUCLEO-F303RE.jpg]]
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## Board modification
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[Nucleo Board manual (PDF)](https://www.st.com/resource/en/user_manual/um1724-stm32-nucleo64-boards-mb1136-stmicroelectronics.pdf)
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### HSE oscillator from X3 crystal
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_P.25 OSC clock supply_
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* [ ] SB54 and SB55 OFF
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* [ ] R35 and R37 soldered
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* [ ] X3 crystal (8 MHz) soldered
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* [ ] C33 and C34 soldered with 22 pF capacitors
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* [ ] SB16 and SB50 OFF (MCO)
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### Disable OSC 32kHz
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_P.26 LSE not used_
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* [ ] SB48 and SB49 ON
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* [ ] R34 and R36 removed
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### USB-Serial to UART5
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_P.26 USART communication_
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* [ ] SB62 and SB63 must be ON
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* [ ] SB13 and SB14 must be OFF
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## Development tools
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[STM32 Cube IDE](https://www.st.com/en/development-tools/stm32cubeide.html)
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