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[/] [minsoc/] [branches/] [rc-1.0/] [backend/] [std/] [minsoc_defines.v] - Diff between revs 20 and 52

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Rev 20 Rev 52
Line 43... Line 43...
//
//
// Clock Division selection
// Clock Division selection
//
//
//`define NO_CLOCK_DIVISION
//`define NO_CLOCK_DIVISION
//`define GENERIC_CLOCK_DIVISION
//`define GENERIC_CLOCK_DIVISION
`define FPGA_CLOCK_DIVISION             //Altera ALTPLL is not implemented, didn't find the code for its verilog instantiation
`define FPGA_CLOCK_DIVISION             // Altera ALTPLL is yet implemented in Verilog and will be used with this option
                                                                //if you selected altera and this, the GENERIC_CLOCK_DIVISION will be automatically taken
 
 
 
//
//
// Define division
// Define division
//
//
`define CLOCK_DIVISOR 5         //in case of GENERIC_CLOCK_DIVISION the real value will be rounded down to an even value
`define CLOCK_DIVISOR 4         //in case of GENERIC_CLOCK_DIVISION the real value will be rounded down to an even value
                                                        //in FPGA case, check minsoc_clock_manager for allowed divisors
                                                        //in FPGA case, check minsoc_clock_manager for allowed divisors
                                                        //DO NOT USE CLOCK_DIVISOR = 1 COMMENT THE CLOCK DIVISION SELECTION INSTEAD
                                                        //DO NOT USE CLOCK_DIVISOR = 1 COMMENT THE CLOCK DIVISION SELECTION INSTEAD
 
 
//
//
 
// Define multiply
 
//
 
`define CLOCK_MULTIPLIER 2      // In case of FPGA_CLOCK_DIVISION for Altera FPGAs, ALTPLL Megafunction will be used
 
                                // and this will need a clock multiply factor.
 
 
 
//
// Reset polarity
// Reset polarity
//
//
//`define NEGATIVE_RESET      //rstn
//`define NEGATIVE_RESET      //rstn
`define POSITIVE_RESET      //rst
`define POSITIVE_RESET      //rst
 
 

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