Diamond RAM_DP_TRUE IP QuestaSim simulation error: Fatal: (vsim-3483) Delay in signal assignment is not ascending. # Fatal error at a source-protected location

• Related Articles

• 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 ...

• 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. ...

• 7765 - QuestaSim: simulation takes long and error out "failed to start simulation kernel"

  Description: Users try to run any simulation with QuestaSim. It will take a long time to run, possibly hours. It eventually errors out "failed to start simulation kernel". Solution: Please try the following steps. If the problem persists, you may ...

• 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 ...

• 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 ...