Part Number: AFE7444EVM
Hi, I continue struggling with AFE7444. So far I have new 2 problems.
Conditions: using AFE744EVM connected to Enclustra Mercury PE1 Base board with XU7 Module (XCZU15EG-2FFVC900I)
AFE is set to standard mode 6 (300 MHz). The firmware for FPGA is based on your official example "KCU105AFE74xx".
1) The first problem: when I try synchronize JESD for all DACs (A+B+C+D) to transmit some signal, meanwhile all ADC's JESD are also synchronized, the output signals of all DACs have horrible impulse noise. Alarm JESD for TX part also shows errors, so it seems like this noise is caused by the loss of the transmitted data. But when I turn off the ADCs JESD - the signals of all DACs become clean and all the errors are gone. Also if make sync of JESD only for DAC A+B+C - the signal is clean on these outputs, but of course there is no signal on DAC D.
2) In this topic: https://e2e.ti.com/support/rf-microwave/f/220/p/849298/3157633#3157633 I posted the solution: how to generate the config sequence to use it in the future to work with micro-controller for example. I used software ver. 2.2.1. Now I found on your web site newer version: 2.2.7. I installed it and my approach doesn't work! When I activate Dump Mode ON for PG3.0 the logFile.txt is not updated when I go though my algorithm. So, what's now? How to get the right sequence to work with your chip for the real design???