Re: [Openocd-development] AVR32 support

[Michel C. <mic...@gm...>]

On 16/08/2010 21:54, David Brownell wrote:
>
> --- On Mon, 8/16/10, Michel Catudal<mic...@gm...>  wrote:
>
>    
>>> Irrelevant.  AVR32 uses the Nexus protocols,
>>> layered on top of JTAG.  Those are public and
>>> need no licensing.
>>>
>>>
>>>        
>> For devices where you need most of the pins Nexus can't be
>> used.
>>      
> Not wholly true.  Trace needs lots of pins, yes.
> Basic debug only needs JTAG layers.  Same with ARM:
> but Nexus trace has more parallel wiring options.
>
> There was some other Nexus option that chewed up
> pins too.  Emphasis: option.
>
>
>    
The Nexus connector on my AT32UC3C-EK board uses 16 pins while the JTAG 
connector uses 6 pins.
If I had a device with over 200 pins I may not care but a device with 
144 pins or less, no way.

Michel


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