Can keystone hyperlink be connected to two DSPs?

Hi Yoonsun,

It is not possible, Hyperlink module supports 1 or 4 lanes mode only.

Please take a look at Hyperlink User Guide document:

http://www.ti.com/lit/ug/sprugw8c/sprugw8c.pdf

Thanks,

Hello Ganapathi,

1>

If I use 1 lane per DSPs, is it possible that a DSP communicate with two DSPs?

In other word, can a master DSP communicate with two slave DSPs over hyperlink?

If it is not possible, can you suggest a way to share data among three DSPs?

2> 

By the way, if I applied c6674(4-core DSP) instead of three c6671, can the each core operated independently like 3 DSPs?

Hi Kim,

1>

By using a multicore device C6670 or C6674 you have in total 4 cores.

Or with C6678 you have 8 independent cores in one SoC.

I think you can also use hyperlink with C6671 and C6672 to get a 3 core environment, but I'm not sure.

Maybe SRIO is another solution for data exchange between more than two Ti DSP's.

You have four times SRIO in each SoC of C667x series. As I understand you can directly read/write from/to another SoC or FPGA memory.

2>

Each core is an independent core so if you want you can use 3 cores of a 4 or 8 core SoC

Best regards
Mehly