Microchip Technology AC164127-7 사용자 매뉴얼

차례

• Introduction

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• Basics of Color Science

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  • FIGURE 1: Red + Green = Yellow

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  • FIGURE 2: Colors in 16-bit Representation

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  • FIGURE 3: GrayScale Values of 0 to 225

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  • FIGURE 4: Color Look-up Table (CLUT)

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• Basic Display Terminology

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  • FIGURE 5: A 3.5'' QVGA Display in Landscape Mode

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• Graphics Subsystem Hardware

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• Components of a Graphics System

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  • FIGURE 6: The Four Basic Components of a Graphics System

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  • Display Glass

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    • TABLE 1: Comparison of Different Display Technologies(1)

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  • Display Controller

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  • Frame Buffer

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    • EQUATION 1:

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    • EXAMPLE 1:

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    • EXAMPLE 2:

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    • EXAMPLE 3:

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  • Microcontroller

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    • FIGURE 7: Pixel Data Update

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• Integration of Basic Components

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  • FIGURE 8: Different Ways of Integrating Basic Graphics’ Components

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  • TABLE 2: Basic Components

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• Power Sequencing in Display Panels

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  • FIGURE 9: Power Sequence of a Panel

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• Touch Screen

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• 4-Wire Resistive Touch Screen

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  • FIGURE 10: 4-Wire Resistive Touch Screen

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  • FIGURE 11: Measurement of the X-Voltage

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  • FIGURE 12: Measurement of the Y-Voltage

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• Decision Factors

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  • Display Resolution and Size

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    • FIGURE 13: Display of ‘A’ at Various Resolutions

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  • Display Orientation

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  • Color Depth Selection

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    • FIGURE 14: Landscape and Portrait Displays used in Landscape Mode

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    • TABLE 3: RAM Size Requirement for Different Color Depths

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  • Frame Buffer Size

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    • EQUATION 2:

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  • Processing Power (MIPS)

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  • Configuration of Graphics Components

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  • Frame Rate vs. MIPS

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  • Interfacing with an Unmatched Number of Display RGB Lines

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    • FIGURE 15: Display Controller’s Display Signals less than LCD’s Display Signals

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    • FIGURE 16: Display Controller’s Display Signals are more than LCD’s Display Signals (Possible Color Degradation)

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• The PIC24FJ256DA210 Microcontroller

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  • FIGURE 17: PIC24FJ256DA210 graphics controller module

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  • TABLE 4: Microcontroller Pins

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• Development Tools

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  • FIGURE 18: Graphics PICtail™ Plus Daughter Board with 3.2'' Display Kit (AC164127-3)

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  • FIGURE 19: Development Board supplied with PIC24FJ256DA210 Development Kit (DV164039)

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  • FIGURE 20: 4.3'' WQVGA Powertip TFT Display Board (AC164127-6)

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  • FIGURE 21: Graphics Display Prototype Boards (AC164139)

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• Software

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  • FIGURE 22: Structure of Microchip Graphics Library

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• Display Device Driver Layer

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• Graphic Primitive Layer

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• Graphic Object Layer (GOL)

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  • EQUATION 3:

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• User Message Interface

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• Application Layer

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  • EXAMPLE 4:

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  • EXAMPLE 5:

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  • EXAMPLE 6:

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• Configuration

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  • GraphicsConfig.h

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  • HardwareProfile.h

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• Other Graphics Libraries for PIC Microcontroller

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• Conclusion

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• Appendix A: Color Look-up Table (CLUT)

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  • A Recap of Basic Concepts

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  • 8-Bit Gray Level Image

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  • Image Data Type for Color Images

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  • 8-Bit Color Image Files

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    • FIGURE A-1: Color Look-Up Table (CLUT)

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    • TABLE A-1: Contents of an example Image using Indexes Instead of RGB Values

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    • TABLE A-2: Palette TablE (24 BPP)

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  • Median Cut Algorithm

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• Appendix B: Double-Buffering

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  • FIGURE B-1: Initial Stage

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  • FIGURE B-2: Drawing Stage

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  • FIGURE B-3: Swap Stage

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  • FIGURE B-4: Final Stage

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  • When to Use Double-Buffering?

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  • When Not to Use Double-Buffering?

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  • How to Use Double-Buffering?

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• Appendix C: Advanced Usage of RCCGPU

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  • FIGURE C-1: Move from Left to right

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  • FIGURE C-2: Expanding Rectangle

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  • FIGURE C-3: Expanding line

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• Appendix D: Abbreviations

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  • TABLE D-1: Abbreviations

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• References

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• Worldwide Sales and Service

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