THC7984 Datasheet, PDF (29/45 Pages) THine Electronics, Inc. – 10-bit 3-channel Video Signal Digitizer

THC7984_Rev.2.0_E
< 4:2:2 Normal Output >
RED[9:0]
GREEN[9:0]
DATACK
R1C[4:3]=00b
R1C[2:0]=000b
HO, DE
Cb0
Cr0
Y0
Y1
Cb2
Cr2
Y2
Y3
Cb4
Cr4
Y4
Y5
HO, DE Start Position = Even
* DATACK can be shifted in 8 steps (R1C[2:0]) .
HO, DE Start Position = Odd
< 4:2:2 DDR Output >
BLUE[9:0]
DATACK
R1C[4:3]=00b
R1C[2:0]=000b
HO, DE
Cb0 Y0 Cr0 Y1 Cb2 Y2 Cr2 Y3 Cb4 Y4 Cr4 Y5
HO, DE Start Position = Even
* DATACK can be shifted in 8 steps (R1C[2:0]) .
HO, DE Start Position = Odd
R1C[5] 4:2:2 Decimation Filter Enable
Set the way of downsampling (process of changing from 4:4:4 to 4:2:2) of CbCr in 4:2:2 output and 4:2:2 DDR output
0: CbCr is sampled every two pixel by pixel skipping.
1: CbCr is decimated by digital filter.
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