ra8803 RAIO Technology Inc., ra8803 Datasheet - Page 41

• Manufacturer Part Number: ra8803
• Description: Two Layers Character/graphic Lcd Controller Specification
• Manufacturer: RAIO Technology Inc.

Version 2.5
RAiO
7-9 Vertical Scrolling
7-10 Gray Display
TECHNOLOGY INC.
The RA8803/8822 also provide Vertical Scrolling function. You can start the scrolling by control Register
ADSR Bit2. Once start the vertical scrolling, the whole screen will shift step by step and each step is 1-
pixel height. The Figure 7-13 is an example for vertical scrolling.
The RA8803/8822 also provide 4 level gray display. It used time-sharing to show the data in page1 and
page2. The gray level of each pixel depends on the value of page1 and page2. For the same position,
Figure 7-13: Vertical Scrolling
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Two Layers Character/Graphical LCD Controller
RA8803/8822
www.raio.com.tw