Texas Instruments TMS320C64x DSP User Manual
Page 172
Raw Data Display Mode
4-27
Video Display Port
SPRU629
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 6
Raw 1
Raw 3
Raw 5
Raw 7
Raw 8
Raw 10
Raw 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 6
Raw 1
Raw 3
Raw 5
Raw 7
Raw 8
Raw 10
Raw 9
Raw 11
Raw 14
Raw 8
Raw 2
Little-Endian Unpacking
31 29
20 19
10 9
0
Raw 13
Raw 7
Raw 1
Raw 12
Raw 6
Raw 0
Raw 17
Raw 11
Raw 5
63 61
52 51
42 41
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
20 19
10 9
0
Raw 13
Raw 7
Raw 1
Raw 12
Raw 6
Raw 0
Raw 17
Raw 11
Raw 5
63 61
52 51
42 41
Raw 16
Raw 10
Raw 4
Raw 15
Raw 9
Raw 3