Re: Typical flash-based storage features and performance
- From: Vladimir Vassilevsky <antispam_bogus@xxxxxxxxxxx>
- Date: Fri, 31 Aug 2007 20:05:21 GMT
dalai lamah wrote:
You should. In my experience with CompactFlashes used with PC104 systems,
enabling the DMA mode had a tremendous impact on performances (either T/R
and CPU occupation).
The sustained transfer rate of CF cards is limited by the flash itself, not the interface. The speed can be VERY different depending on the particular make and the model a card. Anywhere from 1 to 6 Mb/s for read and from 0.5 to 4 Mb/s for write. Unfortunately, manufacturers rarely spec those parameters; they provide only the interface data rates. That numbers are fairly useless but they look impressive.
Vladimir Vassilevsky
DSP and Mixed Signal Design Consultant
http://www.abvolt.com
.
- References:
- Re: Typical flash-based storage features and performance
- From: dalai lamah
- Re: Typical flash-based storage features and performance
- Prev by Date: Re: which colour LCD C-STN/TFT/TFD?
- Previous by thread: Re: Typical flash-based storage features and performance
- Next by thread: New best-practices website
- Index(es):
Relevant Pages
|
