Texas Instruments TMS320C64x DSP User Manual
Page 97
Raw Data Capture Mode
3-35
Video Capture Port
SPRU629
The 10-bit dense raw data mode stores all data into a single FIFO. Three sam-
ples are packed into each word with zero extension as shown in Figure 3–19.
Figure 3–19. 10-Bit Dense Raw Data FIFO Packing
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
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
00
00
00
00
00
00
00
00
00
00
00
00
The 16-bit raw data mode stores all data into a single FIFO. Two samples are
packed into each word as shown in Figure 3–20.
Figure 3–20. 16-Bit Raw Data FIFO Packing
Raw FIFO
Raw 2
Raw 4
Raw 6
Raw 1
Raw 3
Raw 5
Raw 7
VDIN[19–12] / VDIN[9–2]
VCLKINA
63
4847
32
Raw 2
Raw 3
Raw 6
Raw 7
Little-Endian Packing
Raw 8
Raw 10
Raw 9
Raw 11
Raw 0
31
1615
0
Raw 0
Raw 1
Raw 4
Raw 5
Raw 10
Raw 11
Raw 8
Raw 9
63
4847
32
Raw 2
Raw 3
Raw 6
Raw 7
Big-Endian Packing
31
1615
0
Raw 0
Raw 1
Raw 4
Raw 5
Raw 10
Raw 11
Raw 8
Raw 9
Raw FIFO