Can't connect to AVR-USB-JTAG through AVRStudio

Development Boards MicroMod
1

I have the newest version of AVRStudio installed (4.12 SP3) but I can’t get my Olimex AVR-USB-JTAG to work with it. There’s no board attached but I’m just trying to detect it, and even that doesn’t work.

The hardware seems to be detected by the FTDI driver since when I plug it in a virtual COM port appears in the device manager. In AVRStudio I select Tools->Program AVR-.Connect… and then select platform: JTAG ICE and Port: Auto. I keep getting ‘Connect Failed’

Are there specific settings needed for the virtual COM port (such as parity, speed, data bits, stop bits etc.)?

Thanks!

2

You need to supply the JTAG side of the OCD, but be aware, since the JTAG connector for JTAGICE from Atmel uses pin 4 to supply it while the JTAG from Olimex uses pin 7.

For the rest, remember that this is a JTAGICE MKI, not MKII. So it is as fast as the first one (115KBits per second) but much slower than the second, and also doesn’t have support for some AVR’s.

Guillem.