![]() The drive strength and delay are optional and are mostly used for dataflow modeling than synthesizing into real hardware. The assignment syntax starts with the keyword assign followed by the signal name which can be either a single signal or a concatenation of different signal nets. The value can either be a constant or an expression comprising of a group of signals. In Verilog, this concept is realized by the an assign statement where any wire or other similar wire like data-types can be driven continuously with a value. As long as the +5V battery is applied to one end of the wire, the component connected to the other end of the wire will get the required voltage. For example, consider an electrical wire used to connect pieces on a breadboard. Signals of type wire or a similar wire like data type requires the continuous assignment of a value. ![]()
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