Carlos,
Without the benefit of knowing what your desired bandwidth and
usage model is, I think you will get several suggestions and really no
particular direction.
All suggestions will basically generate a matrix of FPGA
hardware complexity (gate count and functionality needed), software,
etc, as I am sure you are aware. Is this strictly a data port, where
you are just getting regular, periodic data streams? Is it a constant
data stream at a particular rate, or buffered and framed? Do you also
need bi-directional data operation? Do you need a control path through
this same interface, or would that be handled by a separate path? Is
this not for data and just for control?
The answers to these questions will help frame the most
appropriate interface. Also, knowing which interfaces you have already
allocated for other functionality in your system will help prune away
options/suggestions (eg. You have already stated the VPFE is allocated
for video data to some other device).
Regards,
Brandon Azbell
Texas Instruments
Senior, Group Technical Staff
System Applications
[EMAIL PROTECTED] email
847.517.4536 voice
847.517.4576 fax
630.561.9593 mobile
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Lorenzo Lutti
Sent: Friday, December 22, 2006 8:10 AM
To: [email protected]
Subject: Re: Best way to get data from a fpga?
Philip Balister ha scritto:
> How about McBSP ports? (I'm not sure if this is realistic, but I am
also
> interested in the answer)
In the past I've used the McBSP several times to connect a TI DSP to a
FPGA. If you use the frame sync signals it's quite easy to implement in
the FPGA, and the gate usage is very small. I haven't pushed it to the
limit though (20 or 30 Mbps max).
Cheers, Lorenzo
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