参数资料
| 型号： | AC164127-9 |
| 厂商： | Microchip Technology |
| 文件页数： | 14/34页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO GRAPH TRULY7 800X480 |
| 标准包装： | 1 |
| 系列： | PICtail™ Plus |
| 主要目的： | 显示器，LCD 显示器 |
| 已用 IC / 零件： | S1D13517 |
| 主要属性： | 7" WVGA TFT LCD |
| 次要属性： | 电阻式 4 线触控屏幕 |
| 已供物品： | 模块 |
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AN1368
Interfacing with an Unmatched Number
of Display RGB Lines
It is possible that the display controller ’s number of
RGB line outputs is different from the number of RGB
line inputs of the display; it is still possible to interface
both of them. If the display’s RGB input lines are equal
to the display controller ’s RGB line outputs, there will
be no color degradation. If not, there may be a slight
color degradation because the display panel will be
unable to display all the colors generated by the display
controller. Usually, the former case is encountered
rather than the latter.
In Figure 15 , the display panel has more RGB signal
lines than the display controller. Here, all the RGB lines
of each color of the display controller are connected to
the MSbs of the display’s display signal lines. The
unconnected LSbs may be connected to Ground or
V DD , or to the MSb of the same color. Connecting the
LSbs to the MSbs is the widely used method, since this
enables the display to have a wider range of color
values.
FIGURE 15:
DISPLAY CONTROLLER ’S DISPLAY SIGNALS LESS THAN LCD’S DISPLAY
SIGNALS
RGB 565
Red [4]
Red [0]
Green [5..0]
Blue [4..0]
Connect to V DD or GND or MSb
dp_Blue[5]
RGB 666 (Display)
dp_Red [5]
dp_Red [1]
dp_Red [0]
dp _Green [5..0]
dp_Blue [5..1]
DS01368A-page 14
Connect to V DD or
GND or MSb
or
dp_Blue[0]
? 2011 Microchip Technology Inc.
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