st7626_inintal.c

LCD驱动 IC:ST7626 的初始化代码

void Init()
{
//-----------------------------------------------------------------------------------//
//---------------------------------ST7626 Initial Code-------------------------------//
//--------------------------------Date/Time : 2008-2-20 -----------------------------//
//---------------------------------Interface : 80-8bit-------------------------------//
//-----------------------------------------------------------------------------------//

    	RST=0;                             //  Hardware Reset
    	delay(10);                         //  Delay 50mS
    	RST=1;
		delay(20);

		LCD_Cm_Write(0x31);                //  Ext = 1
 		LCD_Cm_Write(0xF4);                //  Internal Initialize Preparation
		LCD_Da_Write(0x58);                //  Internal Initialize Sequencing

		LCD_Cm_Write(0x30);                //  Ext = 0
 		LCD_Cm_Write(0x04);                //  Sleep In/Out Preparation
		LCD_Da_Write(0x3E);                //  3E--Ready for sleep out 3F--sleep in

		LCD_Cm_Write(0x31);                //  Ext = 1
 		LCD_Cm_Write(0xF4);                //  Internal Initialize Preparation
		LCD_Da_Write(0x58);                //  Internal Initialize Sequencing

		LCD_Cm_Write(0x30);                //  Ext = 0

 		LCD_Cm_Write(0x94);                //  Sleep Out
 		LCD_Cm_Write(0xd1);                //  Internal OSC on

 		LCD_Cm_Write(0xca);                //  Display control
		LCD_Da_Write(0x00);                //  CL dividing ratio (00--no divide)
		LCD_Da_Write(0x10);                //  Drive duty (= 68)
		LCD_Da_Write(0x00);                //  FR inverse-set value ( N-line ) ( 00 10 2f 33)


		LCD_Cm_Write(0x31);                //  Ext = 1
		LCD_Cm_Write(0x32);                //  Analog Setting
		LCD_Da_Write(0x00);                //  OSC Freqency adjustment (00--5.39    07--10.02)
		LCD_Da_Write(0x01);                //  Booster Efficiency Setting is level3
		LCD_Da_Write(0x01);                //  Bias Setting (03-1/9  00-1/12  01--11  07--1/5)
		LCD_Da_Write(0x04);                //  Booster is X5 (00--X1    04--X5)  VDD-3.0V

		LCD_Cm_Write(0x30);                //  Ext = 0
		LCD_Cm_Write(0x81);                //  Electronic Volume Control  (VDD=3.0V)
		LCD_Da_Write(0x3b);                //  EV:Vop[5:0]_6bit  (02+3b=bb ==>11.08V) 
		LCD_Da_Write(0x02);                //  EV:Vop[8:6]_3bit  (02+37=b7 ==>10.92V)

		LCD_Cm_Write(0x20);                //  Power Control
		LCD_Da_Write(0x0b);                //  B/F/R = On/On/On 
		delay(20);


//-----------------------------------load EEPROM--------------------------------//

//		LCD_Cm_Write(0x07);                //  EEPROM Function Start 
//		LCD_Da_Write(0x19);                //  


		LCD_Cm_Write(0x31);                //  Ext = 1
		LCD_Cm_Write(0xcd);                //  Enable EEPROM
		LCD_Da_Write(0x00);                //  00--The Read Enable of EEPROM will be opened.
		                                   //  20--The Write Enable of EEPROM will be opened

		delay(20);

		LCD_Cm_Write(0xfd);                //  Load EEPROM  Read data from EEPROM (FC--WRITE DATA)
		delay(20);

		LCD_Cm_Write(0xcc);                //  Disable EEPROM
		LCD_Cm_Write(0x30);                //  Ext = 0

//------------------------------//---------------------------//

		LCD_Cm_Write(0x30);                //  Ext = 0
		LCD_Cm_Write(0xa7);                //  a6--Normal display     a7--Inverse Display
		LCD_Cm_Write(0xbb);                //  Com Scan Direction
	    LCD_Da_Write(0x00);                //  0~33 / 34~67

		LCD_Cm_Write(0xbc);                //  Data Scan Direction
	    LCD_Da_Write(0x02);                //  Page / Column Address Setting(Normal/inverse/Address-scan direction) 
	    LCD_Da_Write(0x01);                //  RGB arrangement (00:RGB   01:BGR)
	    LCD_Da_Write(0x01);                //  Gray-scale setup ( 64-gray  65K)

		LCD_Cm_Write(0x75);                //  Page address set
	    LCD_Da_Write(0x00);                //  From page address 0
	    LCD_Da_Write(0x42);                //  to page address 66

		LCD_Cm_Write(0x15);                //  Column address set
	    LCD_Da_Write(0x00);                //  From column address 0
	    LCD_Da_Write(0x61);                //  to column address 97


		LCD_Cm_Write(0xaf);                //  Display On
		LCD_Cm_Write(0x30);                //  Ext = 0


}