Changing the data_width of GTH with DRP

Дата публикации: 02-02-2020 15:02:16

Hello 
I want to change the data width of GT and I have some problem about it. I want to change the data width from 64 bit with TX/RX_INT_datawidth = 1 to 32 bit data width with TX/RX_INT_datawidth = 0. based on the UG576 I know the relationship between TXuserclock and TXuserclock2 will not change and these two condition have the same relationship. I used my own PRBS generator with 64 and 32 bit output width and connect it to TX side. I looped back the data with 001 and see the PRBS of TX side in ILA of RX side. I expect that when I change 64 bit to 32 bit the ILA in RX side show me 32 bit data not 64 bit data. but when I change the width and INT data with DRP, the system behavior does not change. I will be glad if anyone can help me with this problem.

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