SEGGER Microcontroller Adapter The SEGGER Microcontroller adapter is J-Trace MICTOR 38 adapter that connects to the 38-pin MICTOR connector. It connects the GND, JTAG and some trace pins to their counterparts on the 19-pin Cortex-M connector. This side of the adapter can be plugged either directly into the target side or via trace cable. It connects to J-Trace via half-pitch flat cable. This is applicable for Cortex-M Connector, MICTOR connector.