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 issue.
- 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 issue will be fixed in a future version of the Quartus II Software.