Re: wince5.0 & SDIO / SPI by Seung
Seung
Fri Jul 09 10:57:03 CDT 2004
I don't believe it will support SPI. SPI has some bad connotations. It=
=
gives the false impressions that a SPI
controller off of any system on chip will do the job. Unfortunately thi=
s =
is not the case. Many SPI controllers are general purpose controllers =
with limited clock rates, FIFO capability and virtually no hardware assi=
st =
in checking for SD/SDIO bus transactions(CRC errors, start and stop bits=
, =
busy). We have a whitepaper on our website at www.codetelligence.com on=
=
SD/SDIO system performance that can provide more info.
SPI is great if you only plan on using memory cards or support 1 kind of=
=
SDIO card and can live with the performance hit or processing overhead.
On Fri, 09 Jul 2004 12:04:23 +0200, liooil <liooil_NOSPAM_@ifrance.com> =
wrote:
>
> Hello world,
>
> As far i understand, winCE5.0 is supposed to standardize
> a SDIO stack...
>
> I would like to know if it will provide a SPI mode management
> and i don't find any relevant informatio about it.
>
> Is sbody can help?
>
> Thx,
>
-- =
Seung Yi
Chief Technologist
Codetelligence, Inc.
Web : www.codetelligence.com