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LogiCORE MIPI D-PHY v4.1 (Rev. 4): IDELAYCTRL_RDY is not used in MIPI in FIXED mode
In Vivado 2019.1.1, I have LogiCORE MIPI D-PHY RX IP example code generated with the calibration mode set to FIXED.
However in the synthesized schematic IDELAYCTRL_RDY is not used (it is not connected).
In the MIPI D-PHY RX IP example code generated in Vivado 2019.1.1 with calibration mode set to AUTO, it is used to reset IDELAY.
This is a known issue for the MIPI D-PHY IP, which only affects 7 Series devices:
- Vivado 2019.1.1 - Users can download the MIPI D-PHY IP patch from (Xilinx Answer 72758) to work around this issue.
- Vivado 2019.2 - This issue is resolved in the MIPI D-PHY v4.1 (Rev. 4) in Vivado 2019.2 and later.