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Altera_Forum
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17 years ago

STRATIX 2 GX: CRU output frequency

Hi, I'm using the STRATIX 2 GX and the ALT2GXB. So I will transmit and receive the data with 6250 Mbps. I programm the Stratix 2 GX with Quartus 8.0. This are my configuration: Protoc...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hello,

I have found the answer of my problem.

The answer of the problem is, that only a Startix II GX with a speed grad of 3 can suport High speed transceivers up to 6.375Gbps. When you use an other speed grade the CRU recovers a clock, which is too fast for the PLD.