Professional JTAG/SWD Debug Probe with Dual Interface Connectivity
The SEGGER J-Link PRO is a high-performance debug probe that combines USB and Ethernet interfaces for maximum flexibility in embedded development. With download speeds up to 4 MB/s and support for remote debugging via Ethernet, this probe is ideal for professional development environments and test farms.
Key Technical Features
- Dual Interface: USB 2.0 Hi-Speed and 100 Mbit/s Ethernet
- Target Interface: JTAG/SWD 20-pin standard connector
- Download Speed: Up to 4 MB/s via Ethernet, 3 MB/s via USB
- Target Voltage: 1.2V to 5V with automatic level detection
Wiring Quick-Start
| Pin | Signal | Description |
|---|---|---|
| 1 | VTRef | Target voltage reference (1.2V-5V) |
| 2 | NC | Not connected |
| 3 | nRST | Target reset (open drain) |
| 5 | TDI | JTAG data input |
| 7 | TMS/SWDIO | Test mode select / SWD data I/O |
| 9 | TCK/SWCLK | Test clock / SWD clock |
| 13 | TDO/SWO | JTAG data output / SWD trace output |
| 15 | nSRST | System reset (optional) |
| 19 | VCC | Target power supply (max 300mA) |
| 4,6,8,10,12,14,16,18,20 | GND | Ground connections |
Ethernet Configuration
The J-Link PRO supports DHCP by default and includes a built-in web server for easy network configuration. Access the configuration interface by connecting to the device's IP address in any web browser.
Network Requirements: Standard Ethernet network with DHCP server. Static IP configuration available via web interface or J-Link Configurator.
[Placeholder: J-Link PRO Ethernet connection diagram showing network setup]
Software Integration
Compatible with all major IDEs including SEGGER Embedded Studio, Keil µVision, IAR EWARM, Eclipse-based environments, and command-line tools via GDB Server. Includes licenses for:
- Unlimited Flash Breakpoints
- SEGGER Ozone debugger
- J-Flash programming software
- Real-Time Transfer (RTT) technology