Jlink ob

This J-Link OB provides the following debug interfaces to debug the target MCU mounted on the eval board: JTAG (4-wire JTAG, IEEE 1149
J-Link JTAG/SWD Emulator with USB interface
Disconnect the unit from the machine
Automated test applications
The J-Link debuggers support multiple target interfaces that include JTAG, SWD, FINE, SPD, and ICSP