JTAG interface

[lifeng]

The above picture is the jatg interface in  TWR-KE18F.

The jlink_jtag interface (10 pin) is 

They are different,  why?

[Carlos_Mendoza]

Hi Li Feng,

Which j-link adapter are you using? The J-Link 9-pin Cortex-M Adapter has the following pinout:

Here is more detailed information:

9-Pin Cortex M Adapter | SEGGER - The Embedded Experts 

Best Regards!
Carlos Mendoza
Technical Support Engineer

[lifeng]

Think you!