Texas Instruments TMS320C64x DSP - Manual (Page 173)

Raw Data Display Mode
Video Display Port 4-28 SPRU629
Figure 4–28 shows the 16-bit raw mode. Two samples are unpacked from
each word of the FIFO.
Figure 4–28. 16-Bit Raw FIFO Unpacking
Raw FIFO
Raw 2 Raw 4 Raw 6 Raw 1 Raw 3 Raw 5 Raw 7 VDOUT[19–12]/VDOUT[9–2]
VCLKOUT
63 4847 32
Raw 2 Raw 3
Raw 6 Raw 7
Little-Endian Unpacking
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 Unpacking
31 1615 0
Raw 0 Raw 1
Raw 4 Raw 5
Raw 10 Raw 11 Raw 8 Raw 9
Raw FIFO
The FIFO unpacking for 20-bit raw format is shown in Figure 4–29. One sample
is unpacked from each word of the FIFO.
Figure 4–29. 20-Bit Raw FIFO Unpacking
VDOUT[19–0]
VCLKOUT
63 52 51 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
Little-Endian Unpacking
31 20 19 0
Raw 6
Raw 4
Raw 2
Raw 0
Y FIFO
Big-Endian Unpacking
Raw 7
Raw 5
Raw 3
Raw 1
Raw 6
Raw 4
Raw 2
Raw 0
Raw 7
Raw 5
Raw 3
Raw 1
63 52 51 3231 20 19 0