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Nucleo-F303RE

DigitalAudio485 prototype with STM32 Nucleo-F303RE board

Board modification

Initial state: STM32 Nucleo-F303RE board with factory settings

HSE oscillator from X3 crystal

P.25 OSC clock supply

SB54 and SB55 OFF
R35 and R37 soldered
X3 crystal (8 MHz) soldered
C33 and C34 soldered with 22 pF capacitors
SB16 and SB50 OFF (MCO)

Disable OSC 32kHz

P.26 LSE not used

SB48 and SB49 ON
R34 and R36 removed

USB-Serial to UART5

P.26 USART communication

SB62 and SB63 must be ON
SB13 and SB14 must be OFF

Development tools