Yahoo Groups archive

Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: LPC2214 with 8237 (DMA)

2005-11-04 by yodathgreat

Hi,

I know, but my "shared" SRAM is in FPGA...
In my FPGA I have make a Double port SRAM..



--- In lpc2000@yahoogroups.com, "Karl Olsen" <kro@p...> wrote:
>
> --- In lpc2000@yahoogroups.com, "yodathgreat" <christophe.darnet@l...> 
> wrote:
> > I want connect a 8237 (a DMA controller) to my LPC2214.
> > (My 8237 is a VHDL IP on ACTEL FPGA)
> 
> DMA requires that your external DMA controller can take control over 
> the address/data bus, do its transactions, and give control back to the 
> CPU.  The LPC2214 EMC doesn't support that.
> 
> Karl Olsen
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.