160 baud ALDL data stream format - reference URL?

[steve ravet]

"Bartz, Jamison" wrote:
> 
> > IMHO, it really doesn't matter. It's easy for a single chip computer
> > to do the detection:
> >
> >              S   0        1    S
> >          ..__     ........_____    ...
> >              |   ^        ^    |   ^
> >              V___|........|    V___|..
> >             T0       T2       T3
> >
> >             t1-t0 > t3-t2 => 0
> >             t1-t0 < t3-t2 => 1
> 
> should this be:
>                S   0        1    S
>            ..__     ........_____    ...
>                |   ^        ^    |   ^
>                V___|........|    V___|..
>               T0   T2       T2  T3
> 
>                   t2-t0 > t3-t2 => 0
>                   t2-t0 < t3-t2 => 1
> 
> I would think that the transition from low to high would be where the
> timestamp
> should happen.  If it occurs early it is a zero and if it occurs late it is
> a one.
> 
> Jamie

-- 
Steve Ravet
steve.ravet at arm.com
Advanced Risc Machines, Inc.
www.arm.com