Re: MCU/DSP dsPIC Alternatives?

From: Lou (lou.leen_at_Oh.no.nl)
Date: 03/27/04 

Date: Fri, 26 Mar 2004 23:25:31 GMT

On Thu, 25 Mar 2004 19:59:22 -0600, "Earl Bollinger"
<earlwbollinger@comcast.net> wrote:

>The Motorola DSP56F80x series works good.
>But maybe it is a little slow at 80mhz for you. Plus it's only a 16 bit DSP
>chip.
>I like the ones from www.newmicros.com as they come with ISOMAX(tm) and
>FORTH built in for ease of use.
>It's fun to not have to use a JTAG programmer unless you need it.
>But there is also Metrowerks Code warrior, an assembler and a free Small C
>compiler too. I think someone else has a C compiler too for it.
>I like the chip for all the timers that it has and all the PWM channels you
>can get going for motion control etc.
>
>"Chris Carlen" <crobc@BOGUS_FIELD.earthlink.net> wrote in message
>news:c3tmh902tn1@enews2.newsguy.com...
>> Hi:
>>
>> I'm looking for DSP-like microcontrollers and microcontroller-like DSPs.
>>
>> So far I am interested in TMS320F2812, but it is a bit heavy handed for
>> some applications I would be considering.
>>
>> I had decided to move away from Microchip a few years ago and instead
>> standardize on AVR for my 8-bit MCU of choice, mainly because of avr-gcc
>> and the AVR architecture is much more pleasant to work with. My
>> applications are ease of use and tool cost conscious more than anything,
>> so I don't mind the slightly higher price of AVRs.
>>
>> But I will be needing some DSP capabilities. I would like to find a CPU
>> that gives reasonable performance of 30-150MIPS with lots of MCU
>> peripherals. The dsPIC and the TI are the ones I am aware of so far.
>>
>> I spent some time lately looking at the dsPIC again, and despite my
>> wanting to avoid Microchip and their klunky architectures, I have to
>> admit this chip seems dsPICable, er, I mean pretty nice. But the darned
>> thing appears to be vaporware!
>>
>> Anyway, I will be attending a 1-day workshop with TI on the TMS320F2812,
>> and getting a development kit.
>>
>> As for Microchip, I guess we'll just have to wait.
>>
>> Any other recommendations for MCU-like DSPs and DSP-like MCUs? I don't
>> really like the idea of going to Motorola, since I have heard their
>> tools are a headache (needing to but a different tool for each chip) and
>> I never know if their chips are going to be discontinued tomorrow.
>> Other than those objections, I do know they have some nice
>DSP/controllers.
>>
>> Another idea I suppose for the 30-150 MIPS range might be ARM, since I
>> know it has some MACs and stuff like that. Haven't really researched
>> ARM much yet.
>>
>> I sure hope the market drives the production of more of these hybrid
>> DSP/MCU type chips in the future.
>>
>> Thanks for comments.
>>
>>
>> Good day!
>>
>>
>>
>> --
>> _____________________
>> Christopher R. Carlen
>> crobc@earthlink.net
>> Suse 8.1 Linux 2.4.19
>>
>
>
Hi, make sure you take a look at the Analog Devices BlackFin family.
16-bit fixed point, reasonably priced and with excellent tools.
AD actually calls these processors rather than DSP's.
The BF533 is the one to look at the hardest.

Cheers,
        Lou

Relevant Pages

  • @@@@@ Why will you speed the shocked known lieutenants before Roxanna does? @@@@@
    ... When government technocrats want Americans to accept the unacceptable, ... way toward popularizing the chip among the young. ... According to microchip researcher Terry Cook, ...
    (sci.crypt)
  • Re: OT- Lost dog.
    ... The company that makes the chip can then track it to ... Shame on the vet for not doing their paper work and entry ... I suggested that she ask the microchip people who supplied the vets if ... French suppliers had sold a batch of chips on to a British firm. ...
    (rec.crafts.textiles.quilting)
  • Re: FDA OKS implanted medical info chip
    ... It's a pretty nasty-looking syringe, ... >> for approval to use the implantable chip for medical uses in the United ... >> It's the first time the FDA has approved the use of the device, ... >> hoppers in Barcelona, Spain, now use the microchip much like a smartcard ...
    (sci.med.transcription)
  • Re: Shelter frustration
    ... I had Pablo microchipped ... Lucy was microchipped by her breeder but I ... haven't gotten around to transferring the microchip contact info to me. ... My guess is that your vet microchipped Pablo with a chip they ...
    (rec.pets.dogs.behavior)
  • Re: Ethernet chip - newbie need help with selection
    ... >> I've heard of the Realtek 8019AS. ... Is that a good chip to work with? ... Microchip App Note AN833 "The Microchip ... ISA bus requires bit banging, ...
    (comp.arch.embedded)