08-14-2019 04:48 AM
I am using zynq ultrascale xczu7ev-fbvb900-i with two fmc cards for tuning gth transceiver.
after detecting the serial links ,inorder to set error to zero tx pre and post cursor needs to changed.
what is tx pre cursor n post cursor and how will i change the values of it to set error zero?
08-19-2019 05:53 AM
please refer to UG476
in particular, pre and post cursors are driven by ports TXPRECURSOR, TXPOSTCURSOR (please see pag 156)
They are needed to compensate for deterministic, pattern and channel dependent jitter or Inter Symbolic Interference.
08-19-2019 09:15 PM
08-20-2019 01:43 AM
you are absolutely right - for some reason I was thinking to 7-Series GTX in my answer.
For Ultrascale GTH please refer to UG576