[Arm-netbook] IC for analog and digital buttons (EOMA-68)

Luke Kenneth Casson Leighton lkcl at lkcl.net
Sat Aug 9 12:38:26 BST 2014


On Sat, Aug 9, 2014 at 10:25 AM, Miguel Garcia <gacuest at gmail.com> wrote:
> 2014-08-09 5:13 GMT+02:00 krasi gichev <krasimirr at gmail.com>:
>>> 2nd USB ----> USB HUB -----> USB WIFI
>>>                                      -----> USB BT
>>>                                      -----> USB Audio
>>>                                      -----> USB STM32F072
>>
>> If "2nd USB" is USB1.1 that this picture will have problems. Most ot them
>> not related to the STM. Not enough bandwidth to serve audio and wifi.
>
> So maybe Luke should set minimum requirements for 2nd USB in at least USB 2.0...

 nope.  that rules out the IC1T and the jz4775 CPU cards.  not gonna happen.

> Or is there another possibility?

 use the 2nd USB direct to the STM32, route the 1st USB to the FE1.1.


> 2014-08-09 5:15 GMT+02:00 krasi gichev <krasimirr at gmail.com>:
>> But on your question - yes, STM should work fine with USB1.1 host (don't
>> know any 1.0 hosts...)
>
> Thanks!
>
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