Arman Avetisyan
01/09/2022, 12:58 PMTim Edwards
01/10/2022, 4:23 PMArman Avetisyan
01/10/2022, 8:19 PMCurrently we don't have any I/O tested and known good other than the ones provided by SkyWater, so those will be the only ones available in the near term. There are several people who are testing new I/O pad designs, so eventually we should be able to expand the offering.I am working on my own GPIO cells, currently planning to tape it out for MPW-5. But by "amount of I/O" I meant just count of the pads. This is big deal, because for SDRAM I already need like 45 pins, and there is just not enough + I will need A LOT OF I/O for other features I wanted: SerDes (at least 6 pins) and Flash/SD controller (7 pins).
My initial goal for the caravan chip was a "mix and match" style of choosing your own I/O cells. I am still working toward this goal.My only wish is that the Caravan's NOESD pins are bigger, so I can just use my I/O Drivers.
It just takes a bit of time and effort to get there.I understand! I appreciate all the effort that goes in everything!