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参数资料
| 型号： | TVP5158PNPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封装： | GREEN, PLASTIC, HTQFP-128 |
| 文件页数： | 33/108页 |
| 文件大小： | 1395K |
| 代理商： | TVP5158PNPR |
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FFh
00h
XYh
SAV
Channel Data
SC3 SC2 SC1 SC0
SAV for
encapsulated
frame
Cb
Y
Cr
Y
FFh
00h
XYh
EAV
Start code for
channel data
EAV for
encapsulated
frame
Horizontal Active Period (SAV2EAV)
FFh
00h
XYh
FFh
00h
XYh
SC3 SC2 SC1 SC0
Y
Cb
Cr
Horizontal Blanking Interval
64 clock cycles (fixed)
EAV2SAV
Start Code
SLES243E
– JULY 2009 – REVISED MARCH 2011
Figure 3-16. Start Code in 16-Bit YCbCr 4:2:2 Interface
Table 3-12 and Table 3-13 show the bit assignment and field definition of 4-Byte start code for Active
Video Line.
Table 3-12. Bit Assignment of 4-Byte Start Code for Active Video Line
BYTE
7
6
5
4
3
2
1
0
SC[3]
1
RSVD
VCS_ID
CH_ID[1:0]
SC[2]
0
BOL
EOL
VDET
RSVD
LN_ID[8:7]
SC[1]
~LD_ID[6]
LN_ID[6:0]
SC[0]
1
F
V
H
P3
P2
P1
P0
Table 3-13. Bit Field Definition of 4-Byte Start Code for Active Video Line
BIT
NAME
FUNCTION
31
1
Always set to 1.
[30:27]
RSVD
Reserved
Video cascade stage ID. Set to 0 for normal operation. In cascade mode, the back-end device (e.g.,
TMS320DM6467) interfaces to the first stage.
26
VCS_ID
0: First stage (channels 1 to 4)
1: Second stage (channels 5 to 8)
2-bit Channel ID. Video decoder channel number.
00: Channel 1
[25:24]
CH_ID[1:0]
01: Channel 2
10: Channel 3
11: Channel 4
23
0
Always set to 0.
Active-high beginning of line flag. Used in split-line mode which may be required for hybrid formats (e.g.
1-Ch D1 + 8-Ch CIF). Set high when the current encapsulated line of channel data includes the beginning of
a video line.
22
BOL
0: BOL not included (2nd half of split line)
1: BOL included (1st half of split line or full line)
Active-high end of line flag. Used in split-line mode which may be required for hybrid formats (e.g. 1-Ch D1 +
8-Ch CIF). Set high when the current line of channel data includes the end of a video line.
21
EOL
0: EOL not included (1st half of split line)
1: EOL included (2nd half of split line or full line)
Active-high video detection status
20
VDET
0: Video not detected
1: Video detected
[19:18]
RSVD
Reserved
30
Functional Description
Copyright
2009–2011, Texas Instruments Incorporated
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