Features:

• USB 2.0 Full Speed device (12 Mbits/sec) interface
• Can be used to debug and program all ARM processors supported by OpenOCD
• Provides a standard 2X10 pin JTAG interface
• Adds a virtual RS232 serial port to your computer or laptop
• No external power supply required – it runs off of the USB power from the host computer
• Complete schematic provided
• Supported by open source debugger OpenOCD and commercial tools like Crossworks

The ‘NGX ARM USB JTAG’ is a compact USB to JTAG in-circuit debugger and programmer designed for ARM cores. It connects via USB to the host PC. The ‘NGX ARM USB JTAG’ provides a standard 20-pin JTAG interface as well as a standard RS232 port.

It is based on FTDI's popular FT2232 Dual USB UART/FIFO integrated circuit. The FT2232 has two devices integrated on it:

• Channel A: USB to JTAG interface
• Channel B: USB to SERIAL UART