Description
The transceiver pll_locked signal deasserts when rx_analogreset is asserted during simulation of Cyclone® IV GX devices due to an incorrect simulation model.
The transceiver rx_analogreset signal incorrectly resets the MPLL and causes the pll_locked signal to deassert in the Quartus® II software version 9.1-SP2.
The following patches are available to fix this problem:
- Quartus II Software version 9.1-SP2 Patch 2.38 for Windows
- Quartus II Software version 9.1-SP2 Patch 2.38 for Linux
- Quartus II Software version 9.1-SP2 Patch 2.38 Readme file
This problem is fixed in the Intel® Quartus® Prime Software v16.0.
Resolution
This issue is fixed in Quartus Prime Software 16.0.