By Pong P. Chu
The booklet is split into 4 significant components. half I covers HDL constructs and synthesis of uncomplicated electronic circuits. half II offers an outline of embedded software program improvement with the emphasis on low-level I/O entry and drivers. half III demonstrates the layout and improvement of and software program for a number of complicated I/O peripherals, together with PS2 keyboard and mouse, a picture video controller, an audio codec, and an SD (secure electronic) card. half IV presents 3 case stories of the mixing of accelerators, together with a customized GCD (greatest universal divisor) circuit, a Mandelbrot set fractal circuit, and an audio synthesizer according to DDFS (direct electronic frequency synthesis) methodology.
The booklet makes use of FPGA units, Nios II soft-core processor, and improvement platform from Altera Co., that is one of many major FPGA manufactures. Altera has a beneficiant college software that gives unfastened software program and discounted prototyping forums for tutorial associations (details at http://www.altera.com/university). the 2 major academic prototyping forums are referred to as DE1 ($99) and DE2 ($269). All experiments could be applied and validated with those forums. A board mixed with this ebook turns into a “turn-key” answer for the SoPC layout experiments and initiatives. so much HDL and C codes within the booklet are gadget self reliant and will be tailored by way of different prototyping forums so long as a board has related I/O configuration.
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Additional resources for Embedded SoPC Design with Nios II Processor and VHDL Examples
Select File >- New. The New dialog appears. 2. Select VHDL and then click the OK button. A new text editor window appears in the Workplace area. 3. Select File >- Save. The Save as dialog appears. vhd in the File name: field, put a check mark in the Add file to current project box, and click the Save button. 4. Enter the HDL code. 5. Select File >- save to save the file. The Quartus II HDL editor is language sensitive and colors the language constructs for clarity. It also provides a collection of pre-defined templates of various language segments to facilitate the code entry.
Its Compile the project There are several tasks in this step: • Specify the top-level module. • Compile the project. • Examine the compilation report. • Examine the netlists. The last two tasks provide additional information about the design but can be omitted. Specify the top-level module After adding and creating all HDL files, we can specify the top-level module. The procedure is: 1. Select Assignments >- Settings.... The Settings dialog appears. 2. In the left panel, click the General item.
We must design the hardware from scratch and integrate it into the Nios II system as a custom I/O peripheral. • User logic. Some portion of the hardware may be separated from the Nios II system. It is not attached to the Nios interconnect structure and does not interact directly with the processor. Step 3 generates the HDL code from the customized Nios II system. It is done by using Altera's SOPC Builder software package. In this software, we can configure the processor, select the desired standard I/O cores, and incorporate the userdesigned I/O peripherals.
Embedded SoPC Design with Nios II Processor and VHDL Examples by Pong P. Chu