(xtrx sim card interface) Re: OsmocomBB hardware migration to SDR

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Alexander Chemeris alexander.chemeris at gmail.com
Fri Jun 24 08:29:25 UTC 2016

Hi Harald,

On Jun 24, 2016 11:15 AM, "Harald Welte" <laforge at gnumonks.org> wrote:
> On Thu, Jun 23, 2016 at 04:30:42PM +0300, Alexander Chemeris wrote:
> >
> > Btw, the first release of XTRX (http://xtrx.io) will have a SIM
> > driver, so it'll be possible to connect it directly to a SIM card
> > slot, as per the miniPCIe standard. If users will find this feature
> > useful for users, it'll make it to the final release.
> definitely keep it. I suppose it is just a few wires routed to the FPGA
> in the borad design, so I don't think there is any reason to remove it?
> So why raise the question in the first place?  Even if there is no
> soft-core for the ISO7816 master integrated in the FPGA yet, poeple
> could certianly add it later if needed.

The key element there is a SIM card voltage level converter chip. XTRX is
quite densely populated, so we may remove unused features to free some
space for something we think is more useful. It's like garbage collection
:) So it would be great if someone actually use it, that's all I'm saying.

Alexander Chemeris
CEO Fairwaves, Inc.
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