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
eBay