tsd4274.txt

信利公司提供的TSD4254液晶LCD显示器的驱动芯片ST7549T的初始化程序

void InitLcd_Sub_Lcd(void)
{  /*
   Sub_Lcd_Command(0x23);      //reset
   DelayXms(1);
   Sub_Lcd_Command(0x03);      //reset
   DelayXms(8);
  
   Sub_Lcd_Command(0x0F);
   
   
   Sub_Lcd_Command(0x97);  //read status byte    
  
  
   Sub_Lcd_Command(0x21);  //   
   Sub_Lcd_Command(0x0C);
   Sub_Lcd_Command(0xCB);  //set vop       4
   Sub_Lcd_Command(0x14);
   Sub_Lcd_Command(0x2E);
   Sub_Lcd_Command(0x20);      //function set   5        Sub_Lcd_Command(0x20);   28
  
   Sub_Lcd_Command(0x80);
   Sub_Lcd_Command(0x40);
  
   Sub_Lcd_Command(0x05);//Set VLCD range ,select HIGH           6
   Sub_Lcd_Command(0x0C);//Display control ,normal display       7
   Sub_Lcd_Command(0x86);//Set X address of RAM ,0-63, d7=1, x6-0=011111 ,d7-d0=BF    8
   Sub_Lcd_Command(0x40);//Set Y address of RAM, (4F,45) COM45      9
   Sub_Lcd_Command(0x06);//END                Sub_Lcd_Command(0x1F);     10
   //Sub_Lcd_Command(0x81);
   //Sub_Lcd_Command(0x20);
   //Sub_Lcd_Command(0xAF);  
   */
/******************************LCD
INIT**************************************/
        //function set
       Sub_Lcd_Command(0x21|0x10); //function  01
        //set vop
        Sub_Lcd_Command(0x14);  //0xCB //oxFF
        //set bias
        Sub_Lcd_Command(contrast);      //0x14//0X11
        //   0:LSB IS ON TOP //  1: MSB IS ON TOP
         Sub_Lcd_Command(0x0c);  //0x08
        //
       //function set
       Sub_Lcd_Command(0x20); //function 00
       //x address set
       Sub_Lcd_Command(0x80);
       //y address set
       Sub_Lcd_Command(0x40);
       //prs=1
       Sub_Lcd_Command(0x05);
      //RAM/R/W/M
       Sub_Lcd_Command(0x07);


       //function set

       Sub_Lcd_Command(0x22|0x10); //function 10
       //FULL SCREEN DSP
       Sub_Lcd_Command(0x04);

       //
       Sub_Lcd_Command(0x20|0x10); //function 00
       //display on  NORMAL
       Sub_Lcd_Command(0x0C);
       //
       Sub_Lcd_Command(0x20|0x10); //function 00
     Sub_Lcd_Command(0x20);      //function set   5        Sub_Lcd_Command(0x20);   28
   Sub_Lcd_Command(0x80);
   Sub_Lcd_Command(0x40);
}