Hi,
We will connect four FMC125 cards to two VC7203 (carrier) boards.
The VC7203 has a VADJ of 1.8V for all the FMC ports.
The FMC12x manual (Oct. 2012) states: "The carrier card must support VADJ/VIO_B voltage of +2.5V (LVDS support) for
FMC12X revision 1. The carrier card can support VADJ/VIO_B voltage range of
1.65V to 3.3V for FMC12X revision 2, but typically VADJ will be 1.8V or 2.5V for
LVDS operation."
The 2 new FMC125 boards we just bought are revision 2. But the old ones are revision 1, therefore these two will not work in VC7203 according to the manual.
a) I see that rev. 1 cards still have test points for 1.8V, so I assume they do include level shifters. If so, can I (or you) reconfigure the level shifters/card "easily" to get it working at 1.8V ? If not, please advice what you/we can do.
b) For the rev.2 cards that are compatible with VC7203. Before inserting them on the carrier, do I need to change something in the card (dip-switch maybe?) to configure 1.8V operation?
Thanks,
Daniel
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