Sequential Verulog Topics part 14 doc
Sequential Verulog Topics part 14 doc
... Hardware acceleration [2] can often accelerate simulations by two to three orders of magnitude. 14. 9 Exercises 1: A 4-bit full adder with carry lookahead was defined in Example 6-5 on p age
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 13 docx
... Figure 14- 10. Finite State Machine for Newspaper Vending Machine 14. 7.4 Verilog Description The Verilog RTL description for the finite state machine is shown in Example 14- 6. Example 14- 6 ... coin = 0; 14. 7 Example of Sequential Circuit Synthesis In Section 14. 4.2 , An Example of RTL-to-Gates, we synthesized a combinational circuit. Let us now consider an example of seq...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 7 ppt
... combination of the inputs. • Sequential UDPs are used to define blocks with timing controls. Blocks such as latches or flipflops can be described with sequential UDPs. Sequential UDPs are modeled ... table is the most important component of UDP specification. • UDPs can be combinational or sequential. Sequential UDPs can be edge- or level-sensitive. • Combinational UDPs are us...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 8 ppsx
... routines can do the following: • Read information about a particular object from the internal data representation • Write information about a particular object into the internal data representation ... Mymessage: Simulation stopped at time 5 in instance top C1 > . "my_stop_finish.v", 14: warning! Bad arguments to $my_stop_finish at time 10 Mymessage: Simulation finish...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 9 ppsx
... the designer's mind was used as the logic synthesis tool, as illustrated in Figure 14- 1 . Figure 14- 1. Designer's Mind as the Logic Synthesis Tool The advent of computer-aided logic ... one of the popular HDLs for the writing of high-level descriptions. Figure 14- 2 illustrates the process. Figure 14- 2. Basic Computer-Aided Logic Synthesis Process Automated logic s...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 10 pps
... c_out = c; The always statement The always statement can be used to infer sequential and combinational logic. For sequential logic, the always statement must be controlled by the change in ... (s) ? i1 : i0; It frequently translates to the gate-level representation shown in Figure 14- 3 . Figure 14- 3. Multiplexer Description The if-else statement Single if-else statements tran...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 1 ppt
... fall, and turn-off //Each delay has a min:typ:max value specparam t_rise = 8:9:10, t_fall = 12:13 :14, t_turnoff = 10:11:12; (clk => q) = (t_rise, t_fall, t_turnoff); As discussed earlier, min, ... statement. The operands can be scalar or vector module input or inout ports or their bit-selects or part- selects, locally defined registers or nets or their bit-selects or p ar t -selec...
Ngày tải lên: 01/07/2014, 21:20
Sequential Verulog Topics part 5 ppt
... UDP basics In this section, we describe parts of a UDP definition and rules for UDPs. 12.1.1 Parts of UDP Definition Figure 12-1 shows the distinct parts of a basic UDP definition in pseudo ... endprimitive //end of udp_and definition Compare parts of udp_and defined above with the parts discussed in Figure 12-1 . The missing parts are that the output is not declared as reg and ... i...
Ngày tải lên: 01/07/2014, 21:20