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参数资料
| 型号： | AC164127-7 |
| 厂商： | Microchip Technology |
| 文件页数： | 13/34页 |
| 文件大小： | 0K |
| 描述： | BOARD DISPLAY CTLR PLUS S1D13517 |
| 特色产品： | AC164127-7 Graphics Controller |
| 标准包装： | 1 |
| 系列： | PICtail™ Plus |
| 主要目的： | 显示器，LCD 控制器 |
| 已用 IC / 零件： | S1D13517 |
| 主要属性： | 与 PIC32 入门套件和 Explorer 16 开发板一起使用 |
| 已供物品： | 板 |
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AN1368
Frame Buffer Size
The size of the frame buffer is calculated as follows:
EQUATION 2:
Frame Buffer (Bytes) = Total_number_of_pixels x
Color_Depth (in BPP)/8
display. If the double-buffering technique is used, the
“Double-Buffering” for more information).
If the frame buffer is inside the display controller or the
smart display module, and if the RAM is fixed, the
maximum resolution that can be supported is limited.
Processing Power (MIPS)
The processing power required is application-specific.
It depends on how many graphic elements are
displayed on the screen and the complexity of the
graphic elements. More processing power is required
to draw complex shapes, such as a circle, bevel, text,
etc., rather than lines and rectangles. The processing
power requirements also depend on if a hardware
graphics accelerator is available and used. Processing
power requirements also depend on the update rate of
the screen elements. For many embedded graphics
applications, ≥ 16 MIPS processing power could be
sufficient. The best way to check the processing power
requirements is to evaluate using the standard
graphics development tools. (For more information on
development tools, see the “Development Tools”
section.
? 2011 Microchip Technology Inc.
Configuration of Graphics Components
In Table 2 , each configuration has its own advantages
and disadvantages.
Most often, the decision to use one or another
configuration is not influenced by the technical advan-
tages or disadvantages, but rather by a supply chain
advantage or the availability of components. The
designer must balance between optimizing a design to
meet the requirement and managing the supply chain.
Frame Rate VS . MIPS
Frame rate refers to the number of different frames that
can be displayed in a second. This is a good
performance index for display of a video, but not for an
embedded GUI application. In general, an embedded
application does not always change the entire screen,
instead it changes a part of the screen, like a button or
a check box. The amount of change depends on the
size of the changed widget. The update time also
depends on factors, such as if the change belongs to a
widget or an image. It is important to consider the
worst-case scenario on the planned application. Initial
calculation of frame rate and MIPS is important to get
the preliminary requirements for the system. In addition
to these calculations, it is recommended to evaluate
the system using development tools, such as
evaluation kits.
DS01368A-page 13
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PDF描述 |
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| 0982661103 | CBL 39POS 0.5MM JMPR TYPE A 4" |
| MT2000-3.0-X-SP | HEAT SHRINK TUBING |
| ISL6506ACBZ-T | IC PWR SUPPLY CTRLR/MONITR 8SOIC |
| REC5-4815DRW/H4/C | CONV DC/DC 5W 36-72VIN +/-15VOUT |
| 0982661102 | CBL 39POS 0.5MM JMPR TYPE D 4" |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AC164127-8 | 功能描述:子卡和OEM板 Graph Display Truly 5.7" 640x480 Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164127-9 | 功能描述:子卡和OEM板 Graphics Display 7" 800x480 Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164128 | 功能描述:子卡和OEM板 dsPICDEM Motor Cntrl PICtail Plus RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164129 | 功能描述:子卡和OEM板 Audio PICtail Plus Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164130 | 功能描述:网络开发工具 ECAN/LIN PICtail Plus Daughter Board RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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