The AK-LINK-2 JTAG is built around the FT2232D chip from FTDI and allows you to flash and debug ARM based machines. You can also use it to flash and debug the Lattice FPGAs as a Diamond Lattice Programmer.

This the version 2 of the original AK-LINK JTAG. This new version has a new layout and adds a solder jumper to select between “normal JTAG mode” and “Lattice FPGA programmer”. You can select the mode using the drop-down menu up here. You can go back and forth between these “modes” anytime.

This USB high speed and low cost adapter is ideal to debug and flash all ARM-7, ARM9, ARM11 and ARM Cortex M0, M1, M3, M4 and M7 based products. Compatible with the most popular debuggers as OpenOCD and others FT2232D-capables.

The board also mounts buffers in the JTAG lines to protect both the JTAG and target pins from incorrect voltages (in the range between 1.8V and 5.5V).


  • USB Full Speed
  • Standard 20-pin JTAG connector
  • Supports ARM7, ARM9, ARM11, ARM Cortex M0, M1, M3 and M4 (does not support SWD or RTCK)
  • Activity LED indicators
  • EEPROM included
  • Power: Through USB cable
  • Maximum power comsumption: < 50 mA
  • Drivers for Windows XP, Windows  Vista, Windows  7, Windows 10, Windows 11 and Linux 2.4 or greater.



Additional information

Weight 0.020 kg
Dimensions 48.7 × 27.6 × 6.7 mm

Normal JTAG mode, For Lattice FPGA



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The AK-LINK-2 JTAG is an ARM JTAG adapter based on the FT2232D chip.


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