Replacement: None. We are no longer carrying this product in our catalog. This page is for reference only.

AVR-USB-JTAG has all the power of the original AVR-JTAG plus the flexibility of a USB interface. This is a low-priced equivalent of the much more expensive JTAGICE, with a handy and safe optically isolated USB interface. Use it to debug and emulate many of the Atmel processors! This unit has a female USB 'B' connector on it which means you will need a USB A to B Male/Male cable to connect it to a computer.

Note: This is not an AT-JTAGICE-MK2. If you want to work with the newer devices or with debug wire this JTAG will not do the job.

• Programs all AVR flash microcontrollers which support the ATJTAGICE interface
• Complete drop-in replacement of AVR-JTAGICE (AVR Studio thinks it is the original JTAGICE)
• Optoisolated interface allows safe debugging of high voltage or high power target boards
• No need for external power supply - takes power from USB port
• Works with low power targets: Vcc 3.0-5.0V
• Uses Atmel's 2x5 pin JTAG connector layout - this is different from the ICSP connection. Please see layouts for more information.
• Works with AVR Studio for programming, real time emulation, debugging, step by step program execution, breakpoints, memory dump, etc. Everything high priced emulators do and more!
• Full emulation of all analog and digital functions - full JTAG programming support
• Upgradable via AVR Studio
• 50x40 mm (2x1.6") + 20 cm (8") cable

• Datasheet
• AVR JTAG Connector