參數(shù)資料
型號： TVP5146PFPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： PLASTIC, HTQFP-80
文件頁數(shù)： 105/106頁
文件大?。?/td> 1500K
代理商： TVP5146PFPRG4
90
SLES084C August 2007
TVP5146
4.2
Example 2
4.2.1 Assumptions
Input connector:
S-video [VI_2_C (luma), VI_1_C (chroma)]
Video format:
NTSC (J, M, 443), PAL (B, G, H, I, M, N, Nc) and SECAM
Output format:
10-bit 4:2:2 YCbCr with discrete sync outputs
4.2.2 Recommended Settings
Recommended I2C writes: This setup requires additional writes to output the discrete sync 10-bit
4:2:2 data, HS, and VS, and to autoswitch between all video formats mentioned above.
I2C register address 00h = Input select register
I2C data 46h = Sets luma to VI_2_C and chroma to VI_1_C
I2C register address 04h = Autoswitch mask register
I2C data 3Fh = Includes NTSC 443 and PAL (M, Nc) in the autoswitch
I2C register address 08h = Luminance processing control 3 register
I2C data 00h = Optimizes the trap filter selection for NTSC and PAL
I2C register address 0Eh = Chrominance processing control 2 register
I2C data 04h = Optimizes the chrominance filter selection for NTSC and PAL
I2C register address 33h = Output formatter 1 register
I2C data 43h = Selects the 10-bit 4:2:2 output format
I2C register address 34h = Output formatter 2 register
I2C data 11h = Enables YCbCr output and the clock output
I2C register address 36h = Output formatter 4 register
I2C data AFh = Enables HS and VS sync outputs
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