Altera Nios II Embedded Evaluation Kit Cyclone III Editio Manuel d'utilisateur télécharger pdf (Page 53)

A–3 Development Board Version 1.0. Altera Corporation

Nios II Embedded Evaluation Kit, Cyclone III Edition July 2010

Creating a new 5:6:5 Pixel-Format component

5. Edit the data-format-adapter named lcd_64_to_32_bits_dfa.

Change its (Output Interface Parameters)/(Data Symbols Per Beat)

from 4 to 2.

● This changes its width-adaptation from 64.32 to 64.16.

● Rename it to lcd_64_to_16_bits_dfa.

6. Regenerate your system.

Your software application is now responsible for filling the frame-buffer

with aligned 16-bit 5:6:5 pixel data; and the firmware which controls the

DMA must be modified to understand the different memory-buffer size

implications of 16-bit (instead of 32-bit) pixels.

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 79 80

Cyclone III Edition 1
User Guide 1
Part Number UG-01025-1.2 2
Contents 3
Altera Corporation iv 4
July 2010 Preliminary 4
Contents Contents 4
Additional Information 5
Altera Corporation vi 6
1. Getting Started 7
Kit Contents 8
About the Nios II Processor 9
About the Demonstrations 10
About this User 12
Software 13
Installation 13
<install dir> 14
<version> 14
Licensing the IP 17
Software Installation 19
Getting Started 20
2. Development Board Setup 21
Requirements 22
Power Up the 22
Development 22
Development Board Setup 24
3. Nios II Processor Systems 25
Nios II Processor Systems 26
Where to find 27
Processor 27
Location 28
Description 28
CPU Platform 28
● 100-MHz CPU Clock 29
● 100-MHz SSRAM Clock 29
● 66.5-MHz DDR SDRAM Clock 29
● PIO for LCD I 30
Overview 31
Running the 31
Application 31
Selector 31
Altera Corporation 4–2 32
Application Selector Utility 32
Remote System 33
Update using 33
Ethernet 33
Operating Instructions 34
Creating Flash 36
System update 36
5. Design Examples 37
Operation 38
Picture Viewer Application 39
Altera Corporation 5–4 40
Design Examples 40
Mandelbrot 42
Mandelbrot Application 43
Altera Corporation 5–8 44
Altera Corporation 5–10 46
Altera Corporation 5–12 48
About the Embedded Web Server 50
Appendix A. Video Pipeline 51
Data Flow 51
Altera Corporation A–2 52
Altera Corporation A–4 54
Appendix B. Application 55
Selector Details 55
CFI Flash 56
Application Boot Code 57
Flash Hardware Image Catalog 57
Hardware Image 58
Flash Hardware 59
Creating Your 60
Own Loadable 60
Applications 60
Rebuilding the 61
Create a BSP 62
Build the project 62
Modifying the 63
Application Hardware Images 64
Application Software Image 64
Flash Catalog 65
Altera Corporation B–12 66
Appendix C. Restoring the 67
Factory Image 67
Selector from 68
Source Files 68
Boot Code 68
Altera Corporation C–4 70
Appendix D. Frequently 71
Asked Questions 71
Altera Corporation D–2 72
Evaluation Kit? 74
Altera Corporation D–6 76
Further 78
Information 78
Typographic 78
Conventions 78
Visual Cue Meaning 79
Altera Corporation Info–iv 80

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