On Mon, 8 Mar 2010, Xavier Bestel wrote:
On Mon, 2010-03-08 at 10:31 +0100, Klaus Rotter wrote:
Am 07.03.2010 02:07, schrieb Peter Flynn:
Jan Knutar wrote:
N900 does not have USB Host Mode, so no.
You're kidding? Did they not learn from the N800 at all?
The problem is to use the USB port as a plug in for the charger/ac
adapter. On the N8x0, there was a separate input for the charger. All
new cellular phones in the EU must have a micro USB port as a connector
for an ac adapter (in the future). There are some problems to use the
USB port both as power input and also power output (required in host
mode). And yes, I really want a USB host mode, too.
IIRC it's forbidden by the USB spec. Also the spec says you can't have
OTG and more than one USB connector.
So basically the Euro spec forbids host mode on phones.
No, that is a myth. The facts are:
1. There is no mandatory regulation, only a voluntary MoU (Memorandum of
Understanding), so nothing is forbidden.
2. Said memorandum allows for devices not following it if there is a
good reason. It seems to me that supporting host mode is a good
reason.
3. The MoU allows for using an adapter for microUSB charging, so Nokia
could include standard Nokia charger connection in the phone, and
include an opposite adapter in the box.
4. The MoU only covers devices introduced to the market after 1/1/2010,
so it is irrelevant to the N900.
--
Matan.
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