Description: The user encounters a WARNING message shown below whenever they utilize a PLL IP. "Generated_clock: not connect to any master clock pin." Solution: The warning implies that the timing engine is indicating that there is no clock at the ...
In order to use the ECO editor tcl command, you must get the mem_id value from the ECO GUI. The tcl command was meant to record/repeat the operation of the GUI. There is no other way than to use the GUI first to check the id values. Here is the ...
Description: In Lattice Radiant and Diamond, while using the Spreadsheet View/Device Constraint Editor, it is possible to not see the HDL pin constraints reflected in GUI. Solution: This may be because the pins mentioned in the lines of code have ...
Description: When a user defines a set_input_delay on a port, the timing report will indicate that the port/paths related to the port are unconstrained. Solution: This is a known issue. This is scheduled to be fixed on Fix in Radiant 2023.2.
This error appears when you are assigning a clock port to a non-clock pin. To resolve this, you can force Radiant tool to use this attribute in the .pdc file: ldc_set_attribute {USE_PRIMARY=FALSE} [get_nets {clock_name}_c] Example: ldc_set_attribute ...