On Sat, 29 Mar 2008, Joerg Wunsch wrote: > "Daniel O'Connor" <[EMAIL PROTECTED]> wrote: > > Can someone tell me exactly what the AVR Dragon does for JTAG > > debugging? The info file from Atmel says it has JTAG & debugWire > > "emulation interfaces" but I don't really know what they mean by > > that :) > > That's the debugging interface. It's called emulation for historical > reasons (JTAG and debugWIRE debugging have replaced the much more > expensive emulators that were used instead previously).
OK. > The JTAG debugging limitation is devices <= 32 KiB of flash ROM, no > Xmega (so far?), no AVR32 (so far?). Note that AVRs > 32 KiB of > flash ROM can still be programmed through JTAG nevertheless. Sounds good, thanks for the info. I see avrdude & avarice support it which is going to be handy :) Thanks for the info Joerg. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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