Verilog Programming part 30 ppt
Verilog Programming part 8 ppt
... connections. However, a warning is typically issued that the widths do not match. Unconnected ports Verilog allows ports to remain unconnected. For example, certain output ports might be simply for ... There are rules governing port connections when modules are instantiated within other modules. The Verilog simulator complains if any port connection rules are violated. These rules ar...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 1 ppt
... Team LiB ] 1.5 Popularity of Verilog HDL Verilog HDL has evolved as a standard hardware description language. Verilog HDL offers many useful features • Verilog HDL is a general-purpose ... easy to use. It is similar in syntax to the C programming language. Designers with C programming experience will find it easy to learn Verilog HDL. • Verilog HDL allows different lev...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 3 pptx
... 1 30 Output q = 2 40 Output q = 3 50 Output q = 4 60 Output q = 5 70 Output q = 6 80 Output q = 7 90 Output q = 8 100 Output q = 9 110 Output q = 10 120 Output q = 11 130 Output ... reset); // Instantiate D_FF. Call it dff0. not n1(d, q); // not gate is a Verilog primitive. Explained later. endmodule In Verilog, it is illegal to nest modules. One module definitio...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 5 ppt
... Variable Vector Part Select Another ability provided in Verilog HDl is to have variable part selects of a vector. This allows part selects to be put in for loops to select various parts of the ... vector. There are two special part- select operators: [<starting_bit>+:width] - part- select increments from starting bit [<starting_bit>-:width] - part- select decremen...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 25 ppt
... module. Tasks are used for common Verilog code that contains delays, timing, event constructs, or multiple output arguments. Functions are used when common Verilog code is purely combinational, ... 8.1 Differences between Tasks and Functions Tasks and functions serve different purposes in Verilog. We discuss tasks and functions in greater detail in the following sections. However,...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 20 ppt
... four types of looping statements in Verilog: while, for, repeat, and forever. The syntax of these loops is very similar to the syntax of loops in the C programming language. All looping statements ... end 7.6.2 For Loop The keyword for is used to specify this loop. The for loop contains three parts: • An initial condition • A check to see if the terminating condition is true • A pro...
Ngày tải lên: 01/07/2014, 21:20
Verilog Programming part 21 ppt
... using the disable statement as shown in Example 7 -30 . The disable statement terminates the while loop as soon as a true bit is seen. Example 7 -30 Disabling Named Blocks //Illustration: Find ... sequential block with delay in Example 7-26 and convert it to a p arallel block. The converted Verilog code is shown in Example 7-27. The result of simulation remains the same except that...
Ngày tải lên: 01/07/2014, 21:20
Tài liệu The official guide to the new toefl ibt part 30 pptx
Ngày tải lên: 14/12/2013, 14:15
