🚀 go-pugleaf

On Mon, 25 Mar 2002 20:45:19 -0500, "KG7HF" <KG7HF@amsat.org> wrote:

>Only the code size is limited.  You can use as much data memory (i.e.
>variables and coefficients) as there is memory.   

Isn't all of the data memory in volatile RAM?
I ask again because I want to be sure.. Thanks.

How long have you had your kit?  
The distributor told me it is not available until April.

regards,
Johnn.


> The kit can boot stand
>alone out of flash which is fully available to the user without any worry
>about destroying a monitor program (like in older EZkits).  There is no
>shared resources (i.e. shared with a monitor) to worry about like in the
>older ezkits.  There is also internal program memory and data memory as well
>as 100Mhz SDRAM (I don't remember how much now.)   There are about 25
>example programs in both C and assembly which ship with the kit.
>
>As for a program memory limitation, I imagine there ways around that too.
>
>PD
>
>
>
>"Johnny" <john_wr100@yahoo.com> wrote in message
>news:3c9f052b.29785569@news.optusnet.com.au...
>> On Sun, 24 Mar 2002 17:31:58 -0500, "KG7HF" <KG7HF@amsat.org> wrote:
>>
>> Thanks for the advice PD and also thanks to Al.
>>
>> Yes I got a quote on the 21161 kit this today.  Its basically US$500..
>>
>>  Mutiple channels should give pretty awesome for my app.  and 600MFLOP
>> should allow higher sampling rates whether I need them or not. Pity
>> there dosen't appear to be any SP-DIF receivers or transmitters.  But
>> I could probably design a little daugher board to do this .. one
>> day...
>>
>> One thing that concerns me is that the evaluation kit is limited to
>> 8kb program size.  ie 2048 Words.   Should I assume this is going to
>> be more than enough for my FIR filter implementation?
>>
>> I wonder, is there separate memory space to store my filter
>> co-efficients... Because I will probably have nearly 2000 filter
>> coeficients which wouldn't leave a lot of space for program.
>>
>> Also I suppose the program must be stored in a low-speed flash memory
>> anyway, and probably gets loaded by the boot loader or external
>> micro..  Yes.. I got a lot more research to do.. Hopefully I will be
>> able to get a soft-copy of the users manual from the AD rep.
>> Obvioulsy I will study the data sheet.
>>
>> Thanks agian..
>> John.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> >I agree, the 21161N EZ-Kit would be a good choice since you budget is
>$500.
>> >The debugger with the 21161N Ez-Kit is USB based, and is much faster and
>> >more robust than that available with the 21065L EZ-Kit.  I think you will
>> >also find that if you do run into any technical difficulties, you will
>get a
>> >much better responses using the newer evaluation boards.
>> >
>> >PD.
>> >
>> >
>> >"Al Clark" <dsp@danvillesignal.com> wrote in message
>> >news:Xns91DB81B2F6D2aclarkdanvillesignal@209.249.90.101...
>> >> john_wr100@yahoo.com (Johnny) wrote in news:3c9db1ea.6888487
>> >> @news.optusnet.com.au:
>> >>
>> >> > On Sun, 24 Mar 2002 10:18:32 GMT, john_wr100@yahoo.com (Johnny)
>wrote:
>> >> >
>> >> > I am planning on doing some experimentation with digital fitlers. I
>> >> > want to make an active crossover for my audio system. I was looking
>at
>> >> > one of the following kits:
>> >> >
>> >> > Motorola DSP5636X Evaluation module.
>> >> > or
>> >> > Analog devices ADSP-21065L Ez-Kit lite
>> >> >
>> >> > I probably need about 80 Million multiply/accumate per second and at
>> >> > least 24bit fixed point. Faster is better though.
>> >> >
>> >> > I dont mind programming in Assembly or C language.  I figure that
>> >> > assembly is probably fine because my code should be pretty simple
>just
>> >> > to implement FIR filters and  I/O functions.  I was kind of scared by
>> >> > roughly 1000 pages of documentation for the motorola development
>> >> > system and DSP programmers guide.
>> >> >
>> >> > Does anyone have experience with these kits?
>> >> > Which is easier to use, and will offer the best learning curve?
>> >> > Should I look at Texas Instuments or other DSPs?
>> >> > What kits are the best value for money?
>> >> >
>> >> > I was thinking of spending around US$500, but I might be able to
>> >> > extend that.
>> >> >
>> >> > best regards,
>> >> > Johnny
>> >> >
>> >> >
>> >>
>> >> Since you mentioned crossovers, I assume you need at least 4 channels
>of
>> >> DACs. I would get a 21161 EZ-Kit. This 21161 is much faster than the
>> >> 21065L. It also has SIMD hich will work very well for your application.
>> >>
>> >> The EZ-Kit was 8 channels of 96kHz DACs.
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Al Clark
>> >> Danville Signal Processing, Inc.
>> >> --------------------------------------------------------------------
>> >> Purveyors of Fine DSP Hardware and other Cool Stuff
>> >> Available at http://www.danvillesignal.com
>> >
>> >
>>
>
>