PRELIMINARY
S3C6400X RISC MICROPROCESSOR
TV SCALER
16-9
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
else if (SRC_Height >= 32 × DST_Height) { PreScale_V_Ratio = 32; V_Shift = 5; }
else if (SRC_Height >= 16 × DST_Height) { PreScale_V_Ratio = 16; V_Shift = 4; }
else if (SRC_Height >= 8 × DST_Height) { PreScale_V_Ratio = 8; V_Shift = 3; }
else if (SRC_Height >= 4 × DST_Height) { PreScale_V_Ratio = 4; V_Shift = 2; }
else if (SRC_Height >= 2 × DST_Height) { PreScale_V_Ratio = 2; V_Shift = 1; }
else { PreScale_V_Ratio = 1; V_Shift = 0; }
PreScale_DSTHeight = SRC_Height / PreScale_V_Ratio;
dy = ( SRC_Height << 8 ) / ( DST_Height << V_Shift);
PreScale_SHFactor = 10 – ( H V_Shift);