SystemVerilog For Design phần 5 docx

... @(posedge clock) begin for (i = 0; i <= 15; i = i + 1) for (j = 51 1; j >= 0; j = j - 1) begin V er il og f or l oop variables are declared outside the loop 178 SystemVerilog for Design Synthesis ... disable statement. logic [ 15: 0] array [0: 255 ]; always_comb begin for (int i = 0; i <= 255 ; i++) begin : loop if (array[i] == 0) continue; // skip empty elements tran...

Ngày tải lên: 08/08/2014, 03:20

... types that reflects the nature of the design. The two ATM formats used in this ATM design are the UNI format and the NNI format. 318 SystemVerilog for Design 11 .5. 2 Transmitter state machine The ... Spear, Chris SystemVerilog for Verification”, Norwell, MA: Springer 2006, 0-387-27036-1. i n t er f aces can contain protocol checkers and other functionality 298 SystemVerilog...

Ngày tải lên: 08/08/2014, 03:20

... 1. 150 18.8 222.1 1.166 20.6 1. 151 19.0 1.169 20.9 1. 152 19.1 1.170 21.0 253 .7 1. 153 19.2 1.171 21.1 1. 154 19.3 1.172 21.2 1. 155 19.4 1.173 21.3 1. 156 19 .5 1.174 21.4 1. 157 19.6 1.1 75 21 .5 ... 0 .5 1 2 3 5 10 1 46 10 2 94 5 5 54 69 102 10 47 90 81 88 32 15 46 100 76 20 91 94 52 30 91 95 1.113 14.7 1.146 18.3 1.114 14.9 1.147 18 .5 1.148 18.6 1.164 2...

Ngày tải lên: 15/12/2013, 00:15

... 104 5. 1 .5 Passing structures as arguments to tasks and functions 1 05 5.1.6 Synthesis guidelines 1 05 5.2 Unions 1 05 5.2.1 Unpacked unions 106 5. 2.2 Tagged unions 108 5. 2.3 Packed unions 109 5. 2.4 ... 353 12.8 Summary 354 Appendix A: The SystemVerilog Formal Definition (BNF) 355 Appendix B: Verilog and SystemVerilog Reserved Keywords 3 95 Appendix C: A History of SUPERLO...

Ngày tải lên: 08/08/2014, 03:20

... than what the design or testbench block is using. The file name for the example listed in 2-6 does not end with the common convention of .v (for Verilog source code files) or .sv (for SystemVerilog ... order module B ( ); nand #5 ( ); endmodule File B ‘timescale 1ms/1ms module C ( ); nand #2 ( ); endmodule File C Module B delays are in nanoseconds 56 SystemVerilog for Desig...

Ngày tải lên: 08/08/2014, 03:20

... without padding valid tag 0 153 1 data 40 39 Packed structures can only contain integral values. NOTE pac k e d structures must contain packed variables 92 SystemVerilog for Design endmodule The preceding example uses SystemVerilog s ... State; endmodule pr i n ti ng enumerated type values and labels 64 SystemVerilog for Design SystemVerilog semantics change the behavior of in-...

Ngày tải lên: 08/08/2014, 03:20

... blocks • Task and function enhancements T 132 SystemVerilog for Design 5. 5 Array querying system functions SystemVerilog adds several special system functions for working with arrays. These system functions ... with $left. For the array: logic [7:0] word [1:4]; $low(word,1) returns 1, and $low(word,2) returns 0. spec i a l sys t em functions for working with arrays 112 Sy...

Ngày tải lên: 08/08/2014, 03:20

... post-synthesis models. 224 SystemVerilog for Design 9.1 Module prototypes A module instance in Verilog is a straight-forward and simple method of creating design hierarchy. For tool compilers, however, ... case enforces semantic rules pr i or it y case can prevent mismatches 206 SystemVerilog for Design 7.11 Summary A primary goal of SystemVerilog is to enable modeling larg...

Ngày tải lên: 08/08/2014, 03:20

... connect the blocks of a design together is that detailed interconnections for the design must be determined very early in the design cycle. This is counter to the top-down design paradigm, where ... data_ready; Internal Memory Master Processor Test Generator Instruction Fetch main_bus Slave Processor 256 SystemVerilog for Design module DSP (input logic clock, resetN, input lo...

Ngày tải lên: 08/08/2014, 03:20