Programs and debugs AVR flash microcontrollers that have JTAG and are supported by Atmel JTAG ICE mkI, AVR-JTAG-USB is a complete analog of Atmel JTAG ICE mkI (AVR Studio thinks it works with original ICE). Note that this is not Atmel JTAG ICE mkII.
Optoisolated, so you can debug target boards directly connected to mains 120/220VAC (take care when working with high voltages!)
Recommended software environments: Atmel Studio 4; AVRDUDE; AVaRICE
List of all supported targets: ATmega128, ATmega128L, AT90CAN128, ATmega16, ATmega16L, ATmega162, ATmega162L, ATmega162V, ATmega165, ATmega165V, ATmega169, ATmega169L, ATmega169V, ATmega32, ATmega32L, ATmega323, ATmega323L, ATmega64, ATmega64L
Does NOT work with newer devices or with debug wire this JTAG will NOT do the job. This design does NOT support newer devices like ATmega644, ATmega640, ATmega1280/1281/2560/2561, ATmega645/6450/649/6490 and so on
Does NOT power the target device
Works with AVR Studio 4 for programming, real time emulation, debugging, step by step program execution, breakpoints, memory dump etc everything all high priced emulators do
Full emulation of all analog and digital functions, full JTAG programming support
Upgradable via AVR Studio 4
Requires a USB cable with B type connector, i.e. you should have a cable with USB type B female to USB type A connectors to connect it to your computer
Please note that AVR-USB-JTAG needs power from the target, which means that PIN.4 and PIN.7 of the JTAG connector should be wired to the target board VCC! This is a requirement due to the optoisolation circuit.
AVR Studio 4 for programming and emulation. Please note that ATMEL does not support this product (and the original Atmel JTAG ICE mkI) in AVR Studio 5 and ATMEL Studio 6 and ATMEL Studio 7! IMPORTANT NOTE: AVR Studio 4.13 has a bug and the fuses are not read correctly. On our request to Atmel support they confirmed the bug and promised to fix the bug in "AVR Studio 4.13 SP2 JTAGICE Fix"available from http://www.atmel.no/beta_ware/
Confirmed working with AVRDUDE
For GNU/Linux you can also use http://avarice.sourceforge.net/ Our customer Mr. Aris (thank you) reported success using the avarice software. A typical command line for AVR-USB-JTAG and atmega32 controller would be: avarice -1 -j ⁄dev⁄ttyUSB0 -e -P atmega32 -f mycode.hex -p -v
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