[Arm-netbook] origen 4 (exynos S5PV310)
luke.leighton
luke.leighton at gmail.com
Sat Sep 15 23:21:02 BST 2012
http://pinouts.ru/Slots/usb_3_0_connector.shtml
awwww allrightallrightallright, let's make it USB3-capable. does this look ok?
http://elinux.org/Embedded_Open_Modular_Architecture/EOMA-68#Table_of_EOMA-68_pinouts
On 9/15/12, luke.leighton <luke.leighton at gmail.com> wrote:
> On 9/15/12, Alejandro Mery <amery at geeks.cl> wrote:
>> On 15 September 2012 20:57, luke.leighton <luke.leighton at gmail.com>
>> wrote:
>>> On Sat, Sep 15, 2012 at 4:31 PM, Derek LaHousse <dlahouss at mtu.edu>
>>> wrote:
>>>> On Sat, 2012-09-15 at 13:18 +0200, Henrik Nordström wrote:
>>>>> fre 2012-09-14 klockan 21:58 -0500 skrev Eric Stuyvesant:
>>>>>
>>>>> > Yeah, and 2ghz dualcore A15 as well. Wowwww is right.
>>>>>
>>>>> Does it fit in eoma power profile?
>>>>>
>>>>> Regards
>>>>> Henrik
>>>>>
>>>>>
>>>>>
>>>>
>>>> If not, there's always underclocking, right?
>>>>
>>>> Hey, if USB 3.0 can provide nearly 10 W of power, how does the card
>>>> stay
>>>> under 5W? Or, does the card just provide the data lines, and the power
>>>> lines come from the chassis?
>>>> Actually, I'm dumb. Of course the power lines aren't coming directly
>>>> from the CPU.
>>>
>>> :)
>>>
>>>> Well, I'll record that anyway, and mention that USB 3.0
>>>> provides more power for accessories. Yay.
>>>> I'll also add that according to http://www.usb.org/developers/onthego/
>>>> it looks like USB 3.0 can support OTG as well (if the chip does),
>>>> allowing the card to act as the master while power is delivered in.
>>>> With 5W max dissipated in the card, that'd allow a battery to charge
>>>> while being used, depending on the details of the ioboard.
>>>
>>> yyep.
>>>
>>> oh i forgot to answer the question about USB3, didn't i? well, i
>>> thought about it. it would be necessary to reduce the number of GPIOs
>>> to 12 from 16. i know, i know. i really should do that. i just like
>>> powers-of-two. *sigh*.
>>
>> considering there is no eoma68 card or device made yet, can you just
>> change the specs real quick? :-)
>
> tsk tsk pay attention 007 - the A10 CPU Card's done already! the GRB
> files have been sent to the printers by wits-tech so we should have
> them back in about a week.
>
> but... arghh, yes i think we'll be able to get away with it. argh.
> just specify the top 4 GPIOs as "reserved" for now. i was just
> concerned about reducing the amount of GPIO
>
> but, i think, because the plans are to use an embedded controller
> (e.g. STM32F) that extends GPIO where it's more/most appropriate
> anyway.
>
> /peace
>
> l.
>
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