AN3959 datasheet(58/65 Pages) STMICROELECTRONICS

Part #	AN3959

Description	The purpose of this application note is to describe

PDF	65 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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58 / 65 page

Examples of code (TV SoC)

AN3959

58/65

Doc ID 022081 Rev 3

return;

}

Set the FFX DSP bypass or not

DSPBypassFlag=0;DSP not bypass

DSPBypassFlag=1;DSP bypass

void STA381BWX_DSPBypass(unsigned char DSPBypassFlag)

{

I2Cm_Rx(&I2C_buf1,FFX_CONFIGURE_D,1,FFX_I2C_ADDR);

I2C_buf1&=0xFB;

I2C_buf1+=(DSPBypassFlag<<2);

I2Cm_Tx(&I2C_buf1,FFX_CONFIGURE_D,1,FFX_I2C_ADDR);

}

Set the FFX DeEmphasis or not

DeEmphasisFlag=0;

DeEmphasis disable

DeEmphasisFlag=1;

DeEmphasis enable

void STA381BWX_DeEmphasis(unsigned char DeEmphasisFlag)

{

I2Cm_Rx(&I2C_buf1,FFX_CONFIGURE_D,1,FFX_I2C_ADDR);

I2C_buf1&=0xFD;

I2C_buf1+=(DeEmphasisFlag<<1);

I2Cm_Tx(&I2C_buf1,FFX_CONFIGURE_D,1,FFX_I2C_ADDR);

}

Set the FFX Filter Linker or not

FilterlinkFlag=0;each channel use the own filter

FilterlinkFlag=1;each channel's filter setting same as channel1's

void STA381BWX_FilterLink(unsigned char FilterlinkFlag)

{

I2Cm_Rx(&I2C_buf1,FFX_CONFIGURE_D,1,FFX_I2C_ADDR);

I2C_buf1&=0xEF;

AN3959 Datasheet(PDF) 58 Page - STMicroelectronics