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Hello, I'm new in STM32 MCUs. I'd like to know: what is the difference between St-link and FTDI Conversor USB Serial to programmer stm32f103c8t6?

RRoch
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The ST-LINK implements a scan chain level bit stream protocol used for JTAG and SWD connectivity, this is different in speed and form to asynchronous serial communication used for UART or RS232 type applications.

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