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28 lines
529 B
Markdown
28 lines
529 B
Markdown
# Nucleo-F303RE
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DigitalAudio485 prototype with STM32 Nucleo-F303RE board
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## Modification of Nucleo-F303RE
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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 soldered
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* [ ] C33 and C34 soldered with 20 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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