Jlink V9 Schematic Jun 2026

If you have the schematic and a blank PCB, here is the typical workflow:

The schematic includes a . The J-Link can reset the target (via an open-drain MOSFET), and it can sense if the target resets the line. jlink v9 schematic

Target reference voltage; used to control output logic levels. TMS / SWDIO JTAG Mode Select or SWD Bi-directional data pin. TCK / SWCLK JTAG Clock or SWD Clock signal. JTAG Data Output or optional SWO Trace port. Target CPU reset signal (Active-low). Optional 5V power supply for the target hardware. 4-20 (even) Common ground pins. Schematic Resources If you have the schematic and a blank