Bit Dense Raw Data Fifo Packing; Bit Raw Data Fifo Packing - Texas Instruments TMS320C64x DSP Reference Manual

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
VCLKOUT
Raw 0
VDOUT[9–0]
63 61 5251
00
Raw 17
00
Raw 11
Y FIFO
00
Raw 5
63 61 5251
00
Raw 12
00
Raw 6
00
Raw 0
Y FIFO
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
VCLKINA
VDIN[19–12] / VDIN[9–2]
63
Raw 11
Raw 7
Raw 3
Raw FIFO
63
Raw 8
Raw 4
Raw 0
Raw FIFO
SPRU629
Raw 1 Raw 2 Raw 3 Raw 4 Raw 5
4241 32
Raw 16 Raw 15
Raw 10 Raw 9
Raw 4 Raw 3
Little-Endian Unpacking
4241 32
Raw 13 Raw 14
Raw 7 Raw 8
Raw 1 Raw 2
Big-Endian Unpacking
Raw 0 Raw 1 Raw 2 Raw 3 Raw 4
4847 32
Raw 10
Raw 6
Raw 2
Little-Endian Packing
4847 32
Raw 9
Raw 5
Raw 1
Big-Endian Packing
Raw Data Capture Mode
Raw 6 Raw 7 Raw 8 Raw 9 Raw 10
31 29 2019
00
Raw 14 Raw 13
00
Raw 8 Raw 7
00
Raw 2 Raw 1
31 29 2019
00
Raw 15 Raw 16
00
Raw 9 Raw 10
00
Raw 3 Raw 4
Raw 5 Raw 6 Raw 7 Raw 8 Raw 9
31 1615
Raw 9
Raw 5
Raw 1
31 1615
Raw 10
Raw 6
Raw 2
Video Capture Port
Raw 11
10 9 0
Raw 12
Raw 6
Raw 0
10 9 0
Raw 17
Raw 11
Raw 5
Raw 10 Raw 11
0
Raw 8
Raw 4
Raw 0
0
Raw 11
Raw 7
Raw 3
3-35