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5 years, 5 months ago.
Does DAP-Link need a UART from target board to support serial debug?
Hi there,
I am checking the document of DAP-Link, but I can't find the answer. Also I have checked the K64F board and it has used the SWD, SWCLK and a UART to connect the target board.
I think it is a waste of resource when using SWD and UART. As Jlink can use the SWD to simulate the UART.
Much appreciate. JZ
1 Answer
5 years, 5 months ago.
Hi JZ,
We're sorry that you had problems finding the information you were looking for! Just like J-Link, DAPLink also provides a virtual serial port that can be used so you don't need to connect a UART to support serial debug. The virtual port is handled over the native debug channel (using SWD and SWCLK).
Perhaps this link will help your understanding:
Regards,
Ralph, Team Mbed