68300

Hi Jeff,

Can you comment on this design, I happened to see this site after i
read your message.
http://www.users.qwest.net/~kmaxon/page/cont/cont47.htm . The need for
interfacing large chunks of memory to use the full features of
microcontrollers like the 332 is apparent and universal. 

Shyam












--- In 68300@yahoogroups.com, jeffrey.tenney@g... wrote:
> 
> Shyam,
> 
> I don't think you'll get many responses on using SDRAM with a 68xxx.
 These
> processors have asynchronous external buses.  The conversion
hardware and
> logic would be complex.
> 
> Jeff
> 
> 
> 
> 
> 
> "shyam_mali" <shyam_mali@y...> on 04/08/2003 07:22:33 AM
> 
> Please respond to 68300@yahoogroups.com
> 
> To:    68300@yahoogroups.com
> cc:
> Subject:    [68300] Re: 68332-SDRAM interface
> 
> 
> Charles,
> Yes, I am looking for advise on the feasibility and information of
> interfacing the DIMM modules used in the PC. Kindly advise.
> Shyam
> 
> 
> 
> 
> 
> 
> 
> --- In 68300@yahoogroups.com, Melear Charles-rdph40
> <charles.melear@m...> wrote:
> > Shyam,
> >
> > Do you mean that you want to put Synchronous DRAM, like the kind
> used in PC's and stuff?
> >
> > The MC68332 was not particularly designed to deal with DRAM.
> >
> > Before we start walking down this road, I wanted to make sure that
> you are talking about DRAM that plugs into the motherboards of PC's.
> >
> > Regards,
> >
> > Charlie
> >
> > -----Original Message-----
> > From: shyam_mali [mailto:shyam_mali@y...]
> > Sent: Monday, April 07, 2003 8:57 PM
> > To: 68300@yahoogroups.com
> > Subject: [68300] 68332-SDRAM interface
> >
> >
> > Hi Charles, Robert
> >
> > Thanks for the assurance, i am keen on starting this project.
> > To start with the 332, i feel that it might be very helpful to have
> > an off-the-shelf 168-pin SDRAM module interface as a building block
> > for future applications.
> > I will appreciate suggestions regarding this interface... has anyone
> > tried it yet? What is the most logical way to go about achieving the
> > requirement? Are there any latches/buffers that support level
> > shifing? i will need these anyways to interface with the 64-bit wide
> > bus from the DIMM modules.
> >
> > Shyam
> >
> >
> >
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