7728 - VCS Simulation: Error-[XMRE] Cross-module reference resolution error

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• 7286 - Verilog Compiler Simulator (VCS) simulation: Error-[URMI] Unresolved modules

  Description: In VCS, an error can occur when simulating designs with some foundational IPs. Solution: This is due to the 'include lines in the Verilog files used for the IP/s. Thus, VCS cannot resolve these modules. See the following steps to be able ...

• 7269 - Modelsim for Diamond 3.13: "Error: (vsim-3043) Unresolved reference to I2C_WAKE"

  Description: When simulating EFB in Lattice Diamond 3.13 & earlier version Modelsim OEM, due to the default enabled optimization setting of Modelsim, the error below will occur: "Error: (vsim-3043) Unresolved reference to I2C_WAKE" Solution: This is ...

• 7733 - ECP5 / Diamond 3.14: Why does my design get a Map device oversize error related to PLL for LFE5U-12F in with Diamond 3.14, but completes map successfully in earlier releases of Diamond software?

  In Diamond version 3.14, there is a bug where it incorrectly limits the number of PLLs in the device to 0 for LFE5U-12F. Example error message: ERROR - (device oversize error). The number of PLL components needed (1) exceeds the number available. ...

• 7019 - OEM Modelsim: Fatal: (vsim-3693) The minimum time resolution limit (10fs) in the Verilog source is smaller than the one chosen for SystemC or VHDL units in the design. Use the vsim -t option to specify the desired resolution.

  Description: When running simulation wizard directly on a design which includes a PLL, a fatal error is encountered as given below ** Fatal: (vsim-3693) The minimum time resolution limit (10fs) in the Verilog source is smaller than the one chosen for ...

• 6880 - Modelsim: How can I make simulation pass when I encounter the minimum resolution FATAL error (VSIM-3693)?

  To proceed with simulation, users need to manually add -t ns in vsim such as in the line 19 in the mdo file: vsim -voptargs=+acc -t ns -L work -L pmi_work -L ovi_<device> <test_bench_top> Example: vsim -voptargs=+acc -t ns -L work -L pmi_work -L ...