612 - Lattice Diamond: How can i changed the resource implementation of my Shift register?

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• 1060 - How can I avoid the Lattice Radiant/Diamond to implement a 3-stage shift register as RAM-based shift register?

  Description: Lattice Radiant / Diamond software tools will implement the following verilog code as RAM-based shift register instead of keeping the shift components as register. reg [6:0] shft_reg1, shft_reg2, shft_reg3; always @(posedge pclk) begin ...

• 2348 - Why is the shift register in my design implemented with the distributed RAM instead of register resources?

  During synthesis Synplify will optimize the shift register into a distributed RAM implementation to save register resources if the shift register is wide and deep. The disadvantage of this implementation is that the shift register will be adversely ...

• 1964 - Diamond: How can users disable irrelevant clock domain crossings during the device implementation?

  Timing paths that contain clock domain crossings are paths between two registers that are clocked with two clocks. After performing timing analysis using Place and Route TRACE, such timing paths usually have the following source and destination ...

• 6451 - Lattice Diamond: What does the [31:0] bits in Control Register 0 mean?

  The Control Register is used to control the device during and after a configuration. [31:30] Core CLK SEL Control bits to set the core clock frequency respect the internal oscillator frequency. 00 Fosc/2 01 Fosc/4 10 Fosc/5 11 Fosc/6 29 WKUP TRAN ...

• 3175 - Lattice Diamond: What is the maximum allowable project path length in Lattice Diamond to prevent Synthesis Failure?

  The maximum project length allowed in Lattice Diamond is same as the maximum allowable path length in Windows operating system which is of 260 characters. Below are the steps to calculate the project path length in diamond. Maximum allowable path ...