[sdiy] Microchip DSP kit $60 > AVR32

Jim Patchell patchell at cox.net
Sat Mar 22 16:00:39 CET 2008

The new XMega AVR is also looking very promising.  It will have the 
ability to do a lot of things in hardware ( DMA, Event Routing) that 
will help a lot in increasing the amount of work the processor can 
do...plus the 32MIPs processing speed.

There are other free tools available for the AVR such as Ethernut.  It 
is a combination RTOS/TCP-IP Stack that works really nice.  I am in the 
process of writing a server (running on Windoz) and client (running on 
an Ethernut board) that will do MIDI over Ethernet.

Gabriel Lindeborg wrote:
> I have done a lot of work with the AVR and think Atmel and its user 
> community is doing a fine work as well.... The free IDE is nice, free 
> GNU C, a lot of helpful people on the AVRFreak forum, cheap programmers 
> and JTAGs, good starter kits, and so on.
> //Gabbe, the world would be a sad place without options.
> Bruce Duncan skrev:
>> For SDIY you can't beat the simplicity of the dsPIC.
>> There is a ton of info and code examples for the entire PIC line. A 
>> lot of which can be adapted to the dsPIC instruction set.
>> User forums are huge with many experts and knowledgeable people 
>> helping with questions.
>> Although they can be a bit rude if it appears you aren't trying hard 
>> enough to solve the problem yourself.
>> Onboard features like 12bit A2D, EEPROM storage, SPI, and internal OSC 
>> with PLL
>> make them very inexpensive to use. Free IDE and super cheap 
>> programmers are also a great plus.
>> Easy availability of dsPIC in thru hole packages is a great for 
>> breadboarding etc and there are even 18 pin
>> versions great for making a simple sine wave VCO with 88kHz sample 
>> rate for $3 bucks
>> Between Tom Whiltshire, Eric Brombaugh and myself we have done some 
>> truly amazing modules, IMHO with
>> the dsPIC. I don't think any of them could have been done as easily or 
>> cost effectively using other processors.
>> Certainly it would have taken more peripherals to do it without the dsPIC
>> Bruce
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