ra8806 RAIO Technology Inc., ra8806 Datasheet - Page 79

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

Preliminary Version 1.2
RAiO
TECHNOLOGY INC.
The picture below is an example of 4-gray-level picture, the program example are attached below it:
Program Example:
Gray_Mode();
for ( i = 0 ; I < 4800 ; i++ )
for ( i = 0 ; I < 4800 ; i++ )
for ( i = 0 ; I < 4800 ; i++ )
Scan_Diret_H_V();
LCD_Graphic();
LCD_GotoXY( 0 , 0 );
LCD_CmdWrite( 0xB0 );
for ( i = 0 ; I < 4800 ; i++ )
{
}
{
}
{
}
{
}
LCD_DataWrite( 0x00 ) ;
LCD_DataWrite( 0x55 ) ;
LCD_DataWrite( 0xAA ) ;
LCD_DataWrite( 0xFF ) ;
Figure 6-49 : 4-Gray-Scale Example
// Set REG[12h] Bit-7 to 0, Cursor moves from left to right
// Set graphic mode
// Set REG[12h] Bit[6:4] to 000b, as gray level display
// Write memory command
// Write data
// Gray Level 1 ( 00 )
// Gray Level 2 ( 01 )
// Gray Level 3 ( 10 )
// Gray Level 4 ( 11 )
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Two Layers Character/Graphic LCD Controller
www.raio.com.tw
RA8806