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ADC12J2700: FPGA JESD204B SYNC ERROR Condition

Part Number: ADC12J2700
Other Parts Discussed in Thread: LMK04828, TPS74901

HI. 

ADC : ADC12J2700

CLOCK : LMK04828

FPGA : KINTEX UlteraSCALE

It has the above configuration and is being used using Xilinx FPGA JESD204B IP.
When checking the SYNC signal of JESD204B using FPGA ILA, FAULT sometimes occurs.


1. What are the conditions when a SYNC signal FAULT occurs?


2. Can the SYNC signal FALUT be generated by the change in ambient temperature of the ADC?

Please assist.  Thank you.