Texas Instruments TMS320C64x DSP - 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