Igor Chudov wrote: > > Do you know if the fixes that you mention, also are needed for my encoder > boards? > The encoder fix is for the ones with the old 5V Spartan chips. You have the ones with the 3.3V Spartan IIE, so they are fine. There is also a fix for the DAC board, which makes the diagnostic work on some combinations. But, I believe that it only helps the diagnostic, not the EMC operation. Only the diagnostic tries to read back from the DAC, EMC treats it as a write-only device. And, due to some timing issues, the fastest parallel ports don't allow enough time for the data to settle, so the readback gets errors.
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