toothache

XGM_MSboardA

 
Overview
## STM32F103RCT6

#### Power supply
> Use TPS54540 12V-24 to step down to 5V
> Convert 5V to 3.3V through LM1117
> Connect the download port to the 5V power supply
> TYPEC connect to the 5V power supply. TYPEC only provides 5V power supply

#### The chip
leads to the PWM pin The pin header corresponding
to the silk screen is GPIO, add 5V, add GND
and have a 2.54 2P 5V interface

#### The test power supply can remove the 0 ohm R6 resistor.

If a 3.3V SWD download line is used, the 3.3V LED indicator may not light up.
参考设计图片
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