Compact Adapter Board with Flat Ribbon Cable for 20P 2.54 mm JTAG to 10P 2.0mm
Description:
The standard ARM 20P 2.54-pitch JTAG interface is a 10P 2.0mm and 1.27mm pitch SWD/JTAG interface with a 10P 2.0mm pitch cable and a 1.27mm pitch cable.

Package included:
1PCS 20P to 10P JTAG Interface Board
1PCS 10-pin 2.0mm pitch cable
1PCS 10-pin 1.27mm pitch cable