J-Link is a USB powered JTAG emulator for ARM cores. It connects via USB to the Windows (2000/XP/Vista/7) PC host.

Features:

• USB 2.0 interface
• Any ARM7/ARM9/ARM11, Cortex-M3 core supported, including thumb mode
• Serial Wire Debug (SWD) supported *
• Serial Wire Viewer (SWV) supported *
• Automatic core recognition
• Maximum JTAG speed 12 MHz
• Download speed up to 720 Kbytes/second **
• DCC speed up to 800 Kbytes/second **
• Seamless integration into the IAR Embedded Workbench IDE
• No power supply required, powered through USB
• Support for adaptive clocking
• All JTAG signals can be monitored, target voltage can be measured
• Support for multiple devices
• Fully plug and play compatible
• Standard 20-pin JTAG connector
• Wide target voltage range: 1.2V - 3.3V, 5V tolerant
• USB and 20-pin ribbon cable included
• Memory viewer (J-Mem) included
• TCP/IP server included, which allows using J-Link via TCP/IP networks
• Embedded Trace Buffer (ETB) support
• Target power supply: J-Link can supply up to 300 mA to target with overload protection
• Available Options (not included):
  • RDI interface, which allows using J-Link with RDI compliant software
  • Flash programming software (J-Flash)
  • Flash DLL, which allows using flash functionality in custom applications
  • Software Developer Kit (SDK)
  • Adapter for 5V JTAG targets
  • 14-pin JTAG adapter
  • Optical isolation adapter

* = Supported since J-Link hardware version 6
** = Measured with J-Link Rev.5, ARM7 @ 50 MHz, 12MHz JTAG speed.