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We first introduce the most common way to output and print information, that is, to use the hardware UART peripherals in the MCU chip.

This series will take IAR environment as an example to introduce the print information output methods under ARM Cortex-M core MCU one by one.

There are many ways to realize print information output in embedded application design. With the help of printing information, we can locate and analyze program problems relatively easily. In the embedded world, outputting printing information is a very common auxiliary debugging method. What Pi Ziheng shared with you today is the hardware UART peripheral of the debugging information output mechanism under IAR. Hello everyone, I am ruffian Heng, a ruffian who is serious about technology.