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AN3959 Datasheet(PDF) 55 Page - STMicroelectronics

Part # AN3959
Description  The purpose of this application note is to describe
PDF  65 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3959 Datasheet(HTML) 55 Page - STMicroelectronics

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AN3959
Examples of code (TV SoC)
Doc ID 022081 Rev 3
55/65
//Write the command to 0x26(3 times)
I2C_buf1=0x02;
I2Cm_Tx(&I2C_buf1,0x26,1,FFX_I2C_ADDR);
}
/*
initial the system output configuration as below
FFX_Configuration=0; 2.0 2*BTL setting with HP
FFX_Configuration=1; 2.1 2*SE+1*BTL setting
FFX_Configuration=2; 2.1 2*BTL+1*PWMoutput(driver Power stage)
setting
FFX_Configuration=3; .1 mono BTL setting
*/
void STA381BWX_OutputConfiguration(unsigned char
FFX_Configuration){
I2Cm_Rx(&I2C_buf1,FFX_CONFIGURE_F,1,FFX_I2C_ADDR);
I2C_buf1&=0xFC;
I2C_buf1+=FFX_Configuration;
I2Cm_Tx(&I2C_buf1,FFX_CONFIGURE_F,1,FFX_I2C_ADDR);
}
/*
Set the FFX power stage open or close as below
FFX_Powerflag=0;close output power
FFX_Powerflag=1;open output power
*/
void STA381BWX_Poweronoff(unsigned char FFX_Powerflag){
I2Cm_Rx(&I2C_buf1,FFX_CONFIGURE_F,1,FFX_I2C_ADDR);
I2C_buf1&=0x7F;
I2C_buf1+=((FFX_Powerflag)<<7);
I2Cm_Tx(&I2C_buf1,FFX_CONFIGURE_F,1,FFX_I2C_ADDR);
}
/*
Set the FFX power down or not
FFX_Powerflag=0;system standby
FFX_Powerflag=1;system running



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