Texas Instruments TMS320C64x DSP User Manual
Page 159
![background image](/manuals/208654/159/background.png)
BT.656 Video Display Mode
Video Display Port
4-14
SPRU629
For 10-bit BT.656 operation, two samples are unpacked from each word as
shown in Figure 4–13.
Figure 4–13. 10-Bit BT.656 FIFO Unpacking
VDOUT[9–0]
VCLKOUT
63
58 57
48 47
42 41
32
Y 15
Y 11
Y 7
Y 3
Y FIFO
Cb FIFO
Cb 0
Cr 0
Cb 1
Cr 1
Y 0
Y 1
Y 2
Y 3
Cb 2
Cr 2
Y 4
Y 5
Y 14
Y 10
Y 6
Y 2
31
26 25
16 15
10 9
0
Cb 4
Cb 0
Cb 5
Cb 1
Cr FIFO
Little-Endian Unpacking
31
26 25
16 15
10 9
0
Y 13
Y 9
Y 5
Y 1
Y 12
Y 8
Y 4
Y 0
63
58 57
48 47
42 41
32
Cb 7
Cb 3
Cb 6
Cb 2
31
31
26 25
16 15
10 9
0
Cr 4
Cr 0
Cr 5
Cr 1
63
58 57
48 47
42 41
32
Cr 7
Cr 3
Cr 6
Cr 2
31
63
58 57
48 47
42 41
32
Y 15
Y 11
Y 7
Y 3
Y FIFO
Cb FIFO
Y 14
Y 10
Y 6
Y 2
31
26 25
16 15
10 9
0
Cb 4
Cb 0
Cb 5
Cb 1
Cr FIFO
Big-Endian Unpacking
31
26 25
16 15
10 9
0
Y 13
Y 9
Y 5
Y 1
Y 12
Y 8
Y 4
Y 0
63
58 57
48 47
42 41
32
Cb 7
Cb 3
Cb 6
Cb 2
31
31
26 25
16 15
10 9
0
Cr 4
Cr 0
Cr 5
Cr 1
63
58 57
48 47
42 41
32
Cr 7
Cr 3
Cr 6
Cr 2
31
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