Hi,
I've been using the DTEST setting "0100" (SYNC) to debug a JESD204B link on the DAC38J84. However, it appears this SYNC signal is *not* the same as JESD204B's SYNC signals (accessible via the SYNC_N_AB, SYNC_N_CD, and SYNCB_[PN] terminals. Can you confirm this interpretation?
If so, I'm sending constant data to my DAC and I see data-dependent (but fixed) patterns on this SYNC test signal. If they are useful indications of the DAC state, can you briefly describe them?
It would be wonderful to see a revised datasheet for this part which includes more information (and clears up the errata.)
thanks,
Graeme