This 10-pin to 20-pin ribbon cable it has a female 2×5 IDC connector on one end and a 2x10 IDC connector on the other. Both sides are 1.27mm (0.05") pin pitch. This cable is the standard connection for ARM Cortex Debug JTAG and SWD to the ARM Cortex Debug+ETM connector.
This cable can be used to connect the Black Magic Probe debugger and programmer to a development board that features a 0.05" pitch 20pin ARM Cortex Debug connector with exposed Extended Trace Macrocell parallel interface.
This cable is compatible with Black Magic Probe debugger and programmer.