ra8875 app note

RAiO TECHNOLOGY INC. 1/19 www.raio.com.tw RAiO RA8875 Character/Graphic TFT LCD Controller Application Note Version 1.3 July 11, 2011 RAiO Technology Inc. ©Copyright RaiO Technology Inc. 2011 Version 1.1 Application Note RAiO TECHNOLOGY INC. 2/19 www.raio.com.tw RA8875 Update History Version Date Description 1.0 May, 03, 2011 First Release 1.1 May,09,2011 Schematic 2 updata ,initial code updata 1.2 June,22,2011 Schematic 2 updata 1.3 July,11,2011 Add chapter 6.appendix Version 1.1 Application Note RAiO TECHNOLOGY INC. 3/19 www.raio.com.tw RA8875 Chapter Contents Page 1. Application Circuit ................................................................................... 4 2. Initial Code................................................................................................ 7 3. Display on Sequence............................................................................. 15 4. Sleep Mode Sequence........................................................................... 16 5. Display RAM pure data write example ................................................. 18 6. Appendix ................................................................................................ 19 Version 1.1 Application Note RAiO TECHNOLOGY INC. 4/19 www.raio.com.tw RA8875 1. Application Circuit Figure 1-1 Version 1.1 Application Note RAiO TECHNOLOGY INC. 5/19 www.raio.com.tw RA8875 Figure 1-2 ※ (P le as e re fe r t o th e ap pe nd ix a ) Version 1.1 Application Note RAiO TECHNOLOGY INC. 6/19 www.raio.com.tw RA8875 Figure 1-3 Version 1.1 Application Note RAiO TECHNOLOGY INC. 7/19 www.raio.com.tw RA8875 2. Initial Code void RA8875_PLL_ini(void) { #ifdef P320x240 LCD_CmdWrite(0x88); LCD_DataWrite(0x0a); Delay1ms(1); LCD_CmdWrite(0x89); LCD_DataWrite(0x02); Delay1ms(1); #endif #ifdef P480x272 LCD_CmdWrite(0x88); LCD_DataWrite(0x0a); Delay1ms(1); LCD_CmdWrite(0x89); LCD_DataWrite(0x02); Delay1ms(1); #endif #ifdef P640x480 LCD_CmdWrite(0x88); LCD_DataWrite(0x0b); Delay1ms(1); LCD_CmdWrite(0x89); LCD_DataWrite(0x02); Delay1ms(1); #endif #ifdef P800x480 LCD_CmdWrite(0x88); LCD_DataWrite(0x0b); Delay1ms(1); LCD_CmdWrite(0x89); LCD_DataWrite(0x02); Delay1ms(1); #endif Version 1.1 Application Note RAiO TECHNOLOGY INC. 8/19 www.raio.com.tw RA8875 } //------------------------------------------// void LCD_Initial(void) { RA8875_PLL_ini(); LCD_CmdWrite(0x10); //SYSR bit[4:3]=00 256 color bit[2:1]= 00 8bit MPU interface LCD_DataWrite(0x0c); // if 8bit MCU interface and 65k color display //LCD_DataWrite(0x0F); // if 16bit MCU interface and 65k color display #ifdef P320x240 //============== Display Window 320x240 ================== LCD_CmdWrite(0x04); //set PCLK invers LCD_DataWrite(0x03); Delay1ms(1); //Horizontal set LCD_CmdWrite(0x14); //HDWR//Horizontal Display Width Setting Bit[6:0] LCD_DataWrite(0x27);//Horizontal display width(pixels) = (HDWR + 1)*8 LCD_CmdWrite(0x15); //Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR) LCD_DataWrite(0x00);//Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0] LCD_CmdWrite(0x16); //HNDR//Horizontal Non-Display Period Bit[4:0] LCD_DataWrite(0x05);//Horizontal Non-Display Period (pixels) = (HNDR + 1)*8 LCD_CmdWrite(0x17); //HSTR//HSYNC Start Position[4:0] LCD_DataWrite(0x04);//HSYNC Start Position(PCLK) = (HSTR + 1)*8 LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC. LCD_DataWrite(0x03);//HSYNC Width [4:0] HSYNC Pulse width(PCLK) = (HPWR + 1)*8 //Vertical set LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0] LCD_DataWrite(0xef);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1A); //VDHR1 //Vertical Display Height Bit [8] LCD_DataWrite(0x00);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1B); //VNDR0 //Vertical Non-Display Period Bit [7:0] LCD_DataWrite(0x05);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1C); //VNDR1 //Vertical Non-Display Period Bit [8] LCD_DataWrite(0x00);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1D); //VSTR0 //VSYNC Start Position[7:0] LCD_DataWrite(0x0e);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1E); //VSTR1 //VSYNC Start Position[8] LCD_DataWrite(0x00);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1F); //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0] Version 1.1 Application Note RAiO TECHNOLOGY INC. 9/19 www.raio.com.tw RA8875 LCD_DataWrite(0x02);//VSYNC Pulse Width(PCLK) = (VPWR + 1) //Active window set //setting active window X LCD_CmdWrite(0x30); //Horizontal Start Point 0 of Active Window (HSAW0) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [7:0] LCD_CmdWrite(0x31); //Horizontal Start Point 1 of Active Window (HSAW1) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [9:8] LCD_CmdWrite(0x34); //Horizontal End Point 0 of Active Window (HEAW0) LCD_DataWrite(0x3F); //Horizontal End Point of Active Window [7:0] LCD_CmdWrite(0x35); //Horizontal End Point 1 of Active Window (HEAW1) LCD_DataWrite(0x01); //Horizontal End Point of Active Window [9:8] //setting active window Y LCD_CmdWrite(0x32); //Vertical Start Point 0 of Active Window (VSAW0) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [7:0] LCD_CmdWrite(0x33); //Vertical Start Point 1 of Active Window (VSAW1) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [8] LCD_CmdWrite(0x36); //Vertical End Point of Active Window 0 (VEAW0) LCD_DataWrite(0xef); //Vertical End Point of Active Window [7:0] LCD_CmdWrite(0x37); //Vertical End Point of Active Window 1 (VEAW1) LCD_DataWrite(0x00); //Vertical End Point of Active Window [8] #endif #ifdef P480x272 LCD_CmdWrite(0x04); //set PCLK invers LCD_DataWrite(0x82); Delay1ms(1); //Horizontal set LCD_CmdWrite(0x14); //HDWR//Horizontal Display Width Setting Bit[6:0] LCD_DataWrite(0x3B);//Horizontal display width(pixels) = (HDWR + 1)*8 LCD_CmdWrite(0x15); //Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR) LCD_DataWrite(0x00);//Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0] LCD_CmdWrite(0x16); //HNDR//Horizontal Non-Display Period Bit[4:0] LCD_DataWrite(0x01);//Horizontal Non-Display Period (pixels) = (HNDR + 1)*8 LCD_CmdWrite(0x17); //HSTR//HSYNC Start Position[4:0] LCD_DataWrite(0x00);//HSYNC Start Position(PCLK) = (HSTR + 1)*8 LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC. Version 1.1 Application Note RAiO TECHNOLOGY INC. 10/19 www.raio.com.tw RA8875 LCD_DataWrite(0x05);//HSYNC Width [4:0] HSYNC Pulse width(PCLK) = (HPWR + 1)*8 //Vertical set LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0] LCD_DataWrite(0x0f); //Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1a); //VDHR1 //Vertical Display Height Bit [8] LCD_DataWrite(0x01); //Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1b); //VNDR0 //Vertical Non-Display Period Bit [7:0] LCD_DataWrite(0x02); //VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1c); //VNDR1 //Vertical Non-Display Period Bit [8] LCD_DataWrite(0x00); //Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1d); //VSTR0 //VSYNC Start Position[7:0] LCD_DataWrite(0x07);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1e); //VSTR1 //VSYNC Start Position[8] LCD_DataWrite(0x00);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1f); //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0] LCD_DataWrite(0x09); //VSYNC Pulse Width(PCLK) = (VPWR + 1) //Active window set //setting active window X LCD_CmdWrite(0x30); //Horizontal Start Point 0 of Active Window (HSAW0) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [7:0] LCD_CmdWrite(0x31); //Horizontal Start Point 1 of Active Window (HSAW1) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [9:8] LCD_CmdWrite(0x34); //Horizontal End Point 0 of Active Window (HEAW0) LCD_DataWrite(0xDF); //Horizontal End Point of Active Window [7:0] LCD_CmdWrite(0x35); //Horizontal End Point 1 of Active Window (HEAW1) LCD_DataWrite(0x01); //Horizontal End Point of Active Window [9:8] //setting active window Y LCD_CmdWrite(0x32); //Vertical Start Point 0 of Active Window (VSAW0) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [7:0] LCD_CmdWrite(0x33); //Vertical Start Point 1 of Active Window (VSAW1) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [8] LCD_CmdWrite(0x36); //Vertical End Point of Active Window 0 (VEAW0) LCD_DataWrite(0x0F); //Vertical End Point of Active Window [7:0] LCD_CmdWrite(0x37); //Vertical End Point of Active Window 1 (VEAW1) LCD_DataWrite(0x01); //Vertical End Point of Active Window [8] #endif Version 1.1 Application Note RAiO TECHNOLOGY INC. 11/19 www.raio.com.tw RA8875 #ifdef P640x480 //============== Display Window 640x480 ================== LCD_CmdWrite(0x04); //PCLK inverse LCD_DataWrite(0x01); Delay1ms(1); //Horizontal set LCD_CmdWrite(0x14);//HDWR//Horizontal Display Width Setting Bit[6:0] LCD_DataWrite(0x4F);//Horizontal display width(pixels) = (HDWR + 1)*8 LCD_CmdWrite(0x15); //Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR) LCD_DataWrite(0x05);//Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0] LCD_CmdWrite(0x16);//HNDR//Horizontal Non-Display Period Bit[4:0] LCD_DataWrite(0x0f);//Horizontal Non-Display Period (pixels) = (HNDR + 1)*8 LCD_CmdWrite(0x17);//HSTR//HSYNC Start Position[4:0] LCD_DataWrite(0x01);//HSYNC Start Position(PCLK) = (HSTR + 1)*8 LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC. LCD_DataWrite(0x00);//HSYNC Width [4:0] HSYNC Pulse width(PCLK) = (HPWR + 1)*8 //Vertical set LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0] LCD_DataWrite(0xdf);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1A);//VDHR1 //Vertical Display Height Bit [8] LCD_DataWrite(0x01);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1B);//VNDR0 //Vertical Non-Display Period Bit [7:0] LCD_DataWrite(0x0A);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1C);//VNDR1 //Vertical Non-Display Period Bit [8] LCD_DataWrite(0x00);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1D);//VSTR0 //VSYNC Start Position[7:0] LCD_DataWrite(0x0E);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1E);//VSTR1 //VSYNC Start Position[8] LCD_DataWrite(0x00);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1F);//VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0] LCD_DataWrite(0x01);//VSYNC Pulse Width(PCLK) = (VPWR + 1) //Active window set //setting active window X LCD_CmdWrite(0x30); //Horizontal Start Point 0 of Active Window (HSAW0) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [7:0] LCD_CmdWrite(0x31); //Horizontal Start Point 1 of Active Window (HSAW1) LCD_DataWrite(0x00); //Horizontal Start Point of Active Window [9:8] LCD_CmdWrite(0x34); //Horizontal End Point 0 of Active Window (HEAW0) Version 1.1 Application Note RAiO TECHNOLOGY INC. 12/19 www.raio.com.tw RA8875 LCD_DataWrite(0x7f); //Horizontal End Point of Active Window [7:0] LCD_CmdWrite(0x35); //Horizontal End Point 1 of Active Window (HEAW1) LCD_DataWrite(0x02); //Horizontal End Point of Active Window [9:8] //setting active window Y LCD_CmdWrite(0x32); //Vertical Start Point 0 of Active Window (VSAW0) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [7:0] LCD_CmdWrite(0x33); //Vertical Start Point 1 of Active Window (VSAW1) LCD_DataWrite(0x00); //Vertical Start Point of Active Window [8] LCD_CmdWrite(0x36); //Vertical End Point of Active Window 0 (VEAW0) LCD_DataWrite(0xdf); //Vertical End Point of Active Window [7:0] LCD_CmdWrite(0x37); //Vertical End Point of Active Window 1 (VEAW1) LCD_DataWrite(0x01); //Vertical End Point of Active Window [8] #endif #ifdef P800x480 //AT070TN92 setting //============== Display Window 800x480 ================== /* LCD_CmdWrite(0x04); //PCLK inverse LCD_DataWrite(0x81); Delay1ms(1); //Horizontal set LCD_CmdWrite(0x14); //HDWR//Horizontal Display Width Setting Bit[6:0] LCD_DataWrite(0x63);//Horizontal display width(pixels) = (HDWR + 1)*8 LCD_CmdWrite(0x15); //Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR) LCD_DataWrite(0x03);//Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0] LCD_CmdWrite(0x16); //HNDR//Horizontal Non-Display Period Bit[4:0] LCD_DataWrite(0x03);//Horizontal Non-Display Period (pixels) = (HNDR + 1)*8 LCD_CmdWrite(0x17); //HSTR//HSYNC Start Position[4:0] LCD_DataWrite(0x02);//HSYNC Start Position(PCLK) = (HSTR + 1)*8 LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC. LCD_DataWrite(0x00);//HSYNC Width [4:0] HSYNC Pulse width(PCLK) = (HPWR + 1)*8 //Vertical set LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0] LCD_DataWrite(0xdf);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1a); //VDHR1 //Vertical Display Height Bit [8] Version 1.1 Application Note RAiO TECHNOLOGY INC. 13/19 www.raio.com.tw RA8875 LCD_DataWrite(0x01);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1b); //VNDR0 //Vertical Non-Display Period Bit [7:0] LCD_DataWrite(0x14);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1c); //VNDR1 //Vertical Non-Display Period Bit [8] LCD_DataWrite(0x00);//Vertical Non-Display area = (VNDR + 1) LCD_CmdWrite(0x1d); //VSTR0 //VSYNC Start Position[7:0] LCD_DataWrite(0x06);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1e); //VSTR1 //VSYNC Start Position[8] LCD_DataWrite(0x00);//VSYNC Start Position(PCLK) = (VSTR + 1) LCD_CmdWrite(0x1f); //VPWR //VSYNC Polarity ,VSYNC Pulse Width[6:0] LCD_DataWrite(0x01);//VSYNC Pulse Width(PCLK) = (VPWR + 1) //LCD_CmdWrite(0xf2); //LCD_DataWrite(0x01); */ //HSD050IDW1 setting //============== Display Window 800x480 ================== LCD_CmdWrite(0x04); //PCLK inverse LCD_DataWrite(0x81); Delay1ms(1); //Horizontal set LCD_CmdWrite(0x14); //HDWR//Horizontal Display Width Setting Bit[6:0] LCD_DataWrite(0x63);//Horizontal display width(pixels) = (HDWR + 1)*8 LCD_CmdWrite(0x15);//Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR) LCD_DataWrite(0x00);//Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0] LCD_CmdWrite(0x16); //HNDR//Horizontal Non-Display Period Bit[4:0] LCD_DataWrite(0x03);//Horizontal Non-Display Period (pixels) = (HNDR + 1)*8 LCD_CmdWrite(0x17); //HSTR//HSYNC Start Position[4:0] LCD_DataWrite(0x03);//HSYNC Start Position(PCLK) = (HSTR + 1)*8 LCD_CmdWrite(0x18); //HPWR//HSYNC Polarity ,The period width of HSYNC. LCD_DataWrite(0x0B);//HSYNC Width [4:0] HSYNC Pulse width(PCLK) = (HPWR + 1)*8 //Vertical set LCD_CmdWrite(0x19); //VDHR0 //Vertical Display Height Bit [7:0] LCD_DataWrite(0xdf);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1a); //VDHR1 //Vertical Display Height Bit [8] LCD_DataWrite(0x01);//Vertical pixels = VDHR + 1 LCD_CmdWrite(0x1b); //VNDR0 //Vertical Non-Display Period Bit [7:0] LCD_DataWrite(0x20);/