ra8806 RAIO Technology Inc., ra8806 Datasheet - Page 96

• Manufacturer Part Number: ra8806
• Description: Two Layers Character/graphic Lcd Controller
• Manufacturer: RAIO Technology Inc.

Preliminary Version 1.2
RAiO
TECHNOLOGY INC.
6-12-2 Vertical Scrolling
The RA8806 also provide Vertical Scrolling function. You can start the scrolling by control Register
ADSR Bit-2. Once start the vertical scrolling, the whole screen will shift step by step and each step
is 1 pixel height.
(1)Flowchart: The flow-chart of vertical scrolling is as following:
(2)Program Example:
LCD_Text();
LCD_CmdWrite(0x61);
LCD_DataWrite(0x05);
LCD_CmdWrite(0x62);
LCD_DataWrite(0x22);
LCD_CmdWrite(0x71);
LCD_DataWrite(0x20);
LCD_CmdWrite(0x72);
LCD_DataWrite(0xd0);
for( i = 0 ; i < 300 ; i++ )
{
}
LCD_CmdWrite(0x03);
LCD_DataWrite(0x03);
// LCD_DataWrite(0x07);
LCD_DataWrite( RAiO [ i ] );
Delay2us(50);
Figure 6-59 : Vertical Scrolling
( Set REG[61h],[62h],[71h],[72h])
Set Scrolling Window Boundary
( Set REG[03h][2:1] = 0 1 )
Enable Scrolling Function
Write Chinese font filled
Set Scrolling Direction,
( REG[03h]B0 = 1 )
with the screen
Top to Bottom
96/184
Start
// Text Mode
// SEG Start Position of Scrolling Mode
// SEG End Position of Scrolling Mode
// COM Start Position of Scrolling Mode
// COM End Position of Scrolling Mode
// Fill Chinese font on the screen
// Scrolling Enable
// T
// B
Two Layers Character/Graphic LCD Controller
B
T
www.raio.com.tw
RA8806