Texas Instruments TMS320C64x DSP Network Card User Manual


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Raw Data Display Mode
4-27Video Display PortSPRU629
For 10-bit operation, two samples are unpacked from each FIFO word. This
is shown in Figure 4–26.
Figure 4–26. 10-Bit Raw FIFO Unpacking
VDOUT[9–0]
VCLKOUT
63 5857 4847 4241 32
Raw 15
Raw 11
Raw 7
Raw 3
Y FIFO
Raw 0 Raw 2 Raw 4 Raw 6Raw 1 Raw 3 Raw 5 Raw 7 Raw 8 Raw 10Raw 9 Raw 11
Raw 14
Raw 10
Raw 6
Raw 2
Little-Endian Unpacking
31 2625 1615 10 9 0
Raw 13
Raw 9
Raw 5
Raw 1
Raw 12
Raw 8
Raw 4
Raw 0
63 5857 4847 4241 32
Raw 15
Raw 11
Raw 7
Raw 3
Y FIFO
Raw 14
Raw 10
Raw 6
Raw 2
Big-Endian Unpacking
31 2625 1615 10 9 0
Raw 13
Raw 9
Raw 5
Raw 1
Raw 12
Raw 8
Raw 4
Raw 0
In 10-bit raw dense-pack mode, three samples are unpacked from each word
in the FIFO as seen in Figure 4–27.
Figure 4–27. 10-Bit Raw Dense FIFO Unpacking
VDOUT[9–0]
VCLKOUT
32
Y FIFO
Raw 0 Raw 2 Raw 4 Raw 6Raw 1 Raw 3 Raw 5 Raw 7 Raw 8 Raw 10Raw 9 Raw 11
Raw 14
Raw 8
Raw 2
Little-Endian Unpacking
31 29 2019 10 9 0
Raw 13
Raw 7
Raw 1
Raw 12
Raw 6
Raw 0
Raw 17
Raw 11
Raw 5
63 61 5251 4241
Raw 16
Raw 10
Raw 4
Raw 15
Raw 9
Raw 3
32
Y FIFO
Raw 14
Raw 8
Raw 2
Big-Endian Unpacking
31 29 2019 10 9 0
Raw 13
Raw 7
Raw 1
Raw 12
Raw 6
Raw 0
Raw 17
Raw 11
Raw 5
63 61 5251 4241
Raw 16
Raw 10
Raw 4
Raw 15
Raw 9
Raw 3
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