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Re: [avr-chat] Do people like the XMEGA?

From: Rick Mann
Subject: Re: [avr-chat] Do people like the XMEGA?
Date: Thu, 14 Feb 2013 21:29:01 -0800

Eric, it looks like they use a separate FTDI chip for USB comms. Do you think 
the XMEGA could handle the motion control AND USB at the same time? I suspect 
it can, especially since I think the USB interrupt can be given a lower 
priority, but I'm just asking anyway.

On Feb 14, 2013, at 20:59 , "Weddington, Eric" <address@hidden> wrote:

> Hi Rick,
> By way of an example, here's an open source project that I ran across real 
> recently:
> TinyG
> "The TinyG project is a many-axis motion control system. It is designed for 
> small CNC applications and other applications that require highly 
> controllable motion control."
> It uses an ATxmega192A3 running at 32 Mhz.
> http://www.synthetos.com/wiki/index.php?title=Projects:TinyG 
> Code is for AVR GCC and is completely open source (GPL).
> Now it may not sound like much. Until you see that a TinyG board has been put 
> into an Ultimaker desktop 3D printer to control the motors, with some 
> impressive results:
> http://www.youtube.com/watch?v=Om0wTqFA-Dw&feature=youtu.be 
> I've always liked the XMEGA Event System, and I think it's widely 
> underutilized.
> Good luck on your new design! :-)
> Eric Weddington
>> -----Original Message-----
>> From: address@hidden
>> [mailto:address@hidden On
>> Behalf Of Rick Mann
>> Sent: Thursday, February 14, 2013 8:45 PM
>> To: address@hidden
>> Subject: [avr-chat] Do people like the XMEGA?
>> Hi. I'm about to start a new design and I'm looking for lots of GPIO,
>> PWM, and USB. It seems the XMEGA parts might fit the bill. I've used
>> lots of different MEGA parts, but these are new to me.
>> Reading through Atmel's "Getting Started with XMEGA" document
>> (http://www.atmel.com/Images/doc8169.pdf), it seems like an awesome
>> chip (one that could benefit from a highly platform-dependent small
>> RTOS).
>> I wonder if anyone has had any negative experiences with them? Is GCC
>> support good enough for these parts? How about tools like avrdude?
>> Thanks!
>> --
>> Rick
>> _______________________________________________
>> AVR-chat mailing list
>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/avr-chat


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