Re: New MMC maintainer needed

[Philip Langdale]

On Mon, 27 Jul 2009 22:40:01 +0100
Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote:

> On Mon, Jul 27, 2009 at 01:09:47PM +0100, David Vrabel wrote:
> > Philip Langdale wrote:
> > > 
> > > Both the (Simplified) SD and SDIO specifications do not formally
> > > define the 'low voltage' range in the way the MMC spec does. ie:
> > > You won't find anything in the SD specs that even tell you what
> > > the range is - it just says that it exists.
> > 
> > Standard SD/SDIO cards only support 2.7-3.6V.
> > 
> > 1.8V operation is added in SD physical spec 3.00 and is part of any
> > of the UHS-1 modes (SDR12-SDR104 and DDR50).  It has a different
> > timings and requires a different (3.00 compliant) host controller.
> 
> Is the 3.00 spec publicly available?
> 

Indeed! If the 1.8V operations have conformance requirements beyond
those of MMCplus/MMCmobile, then we can't just remove the current
test as proposed. I've been checking the sdcard.org site periodically
for new specs and haven't seen anything yet.

--phil
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