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Message

Re: LPC2214 with 8237 (DMA)

2005-11-04 by Karl Olsen

--- 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

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