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Chapter I: Software and Tools ............................................................................3
1.1 - Quartus II ...............................................................................................3
1.2 - SOPC Builder. .......................................................................................4
1.3 - Nios II IDE. ...........................................................................................5
1.4 - Modelsim. .............................................................................................6
Chapter II: DE2 Development and education board ...........................................7
2.1 - Components. .........................................................................................7
2.2 - Applications. ...................................................................................... 10
Chapter III: Audio codec interface ................................................................... 13
3.1 - Introduction to the Audio Codec WM8731. ..................................... 13
3.2 - Digital interface. ...............................................................................................14
3.3 - Control interface. ..............................................................................................16
3.4 - Loop back in the digital interface. .................................................................19
3.5 - Volume control with the control interface. .................................................21
3.6 - Volume display. ................................................................................................22
Chapter IV: Nios II interface............................................................................. 23
4.1 - Introduction to Nios II. ...................................................................... 23
4.2 - Nios II interface. ................................................................................ 26
4.3 - Loop back in the Nios II processor. ............................................................28
4.4 - Volume control with the Nios II processor. ...............................................30
Chapter V: Results and conclusions ................................................................. 35
Chapter VI: Conclusion..................................................................................... 37
6.1 - Conclusions. ....................................................................................... 37
6.2 - Future work. ....................................................................................... 37
References ......................................................................................................... 39 |
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发表于 2009-6-3 19:01:40
