2 PACK ARM-JTAG-20-10 ARM Micro JTAG adapter Plug-in adapter for ARM-USB-OCD-H, ARM-USB-TINY-H Converts ARM's standard 2x10 pin JTAG connector into the newer mini 10 way JTAG connector Also works with Segger J-LINK and other JTAGs Allows tiny footprint JTAG connector on your PCB e.g. DigiKey 1175-1629-ND