thanks Graham!

does that mean that IEEE-1588 has a mandatory requirement on specific HW? 
for example, there is a Java project that seems to implement this 
(https://java.net/projects/jpcsi). 
in other words, can IEEE-1588 be implemented with SW only?

--roy

On Thursday, January 22, 2015 at 6:01:26 AM UTC+2, Graham wrote:
>
> The IEEE-1588 Precision Time Protocol requires a special Ethernet PHY chip 
> that
> can time stamp packets in hardware.  The LAN8710 Ethernet PHY chip used in
> the BBB does not mention this capability in the data sheet, nor is it on 
> the lists
> I found of PHYs that do have the capability.
>
> --- Graham
>
> ==
>
> On Wednesday, January 21, 2015 at 1:20:48 PM UTC-6, [email protected] 
> wrote:
>>
>> joining late on this thread...
>>
>> I don't know much about IEEE1588. just a simple question: how can I use 
>> it on BeagelBone Black?
>>
>> Thanks!
>>
>> On Monday, May 5, 2014 at 6:12:34 PM UTC+3, Gerald wrote:
>>>
>>> The PHY does no manipulation of the data. It is just the interface.
>>>
>>> Gerald
>>>
>>>
>>>
>>> On Mon, May 5, 2014 at 8:23 AM, <[email protected]> wrote:
>>>
>>>> I know that processor, AM335x used in beaglebone,  supports ieee 1588. 
>>>>
>>>> Does that PHY on beaglebone also support ieee 1588?
>>>>
>>>> because I need to do a project about ieee 1588, but I want to realize 
>>>> it on beaglebone, 
>>>>
>>>> Thanks.
>>>>
>>>> -- 
>>>> For more options, visit http://beagleboard.org/discuss
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>>>
>>>

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