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參數(shù)資料
| 型號(hào)： | GS1561-CF |
| 廠商： | Gennum Corporation |
| 英文描述： | GS1560A/GS1561 HD-LINX-R II Dual-Rate Deserializer |
| 中文描述： | GS1560A/GS1561的HD - LINX進(jìn)程- R的第二雙率解串器 |
| 文件頁數(shù)： | 53/80頁 |
| 文件大?。?/td> | 842K |
| 代理商： | GS1561-CF |
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GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
53 of 80
3.10.4.1 Video Standard Indication
The video standard codes reported in the VD_STD[4:0] bits of the
VIDEO_STANDARD register represent the SMPTE standards as shown in
Table 3-9
.
In addition to the 5-bit video standard code word, the VIDEO_STANDARD register
also contains two status bits. The STD_LOCK bit will be set HIGH whenever the
flywheel has achieved full synchronization. The INT_PROG bit will be set LOW if
the detected video standard is progressive and HIGH if the detected video
standard is interlaced.
The VD_STD[4:0], STD_LOCK and INT_PROG bits of the VIDEO_STANDARD
register will default to zero after device reset. The VD_STD[4:0] and INT_PROG
bits will also default to zero if the device loses lock to the input data stream,
(LOCKED = LOW), or if the SMPTE_BYPASS pin is asserted LOW. The
STD_LOCK bit will retain its previous value if the input is removed.
Table 3-7: Host Interface Description for Video Standard and Data Format Register
Register Name
Bit
Name
Description
R/W
Default
VIDEO_STANDARD
Address: 004h
15
–
Not Used.
–
–
14-10
VD_STD[4:0]
Video Data Standard (see
Table 3-9
).
R
0
9
INT_PROG
Interlace/Progressive: Set LOW if detected video
standard is PROGRESSIVE and is set HIGH if it is
INTERLACED.
R
0
8
STD_LOCK
Standard Lock: Set HIGH when flywheel has achieved
full synchronization.
R
0
7-4
CDATA_FORMAT[3:0]
Chroma Data Format. Set HIGH in SD mode.
Indicates chroma data format in HD mode (see
Table 3-10
).
R
F
h
3-0
YDATA_FORMAT[3:0]
Luma Data Format. Indicates Luma data format in HD
mode and data format in SD mode (see
Table 3-10
).
R
F
h
Table 3-8: Host Interface Description for Raster Structure Registers
Register Name
Bit
Name
Description
R/W
Default
RASTER_STRUCTURE1
Address: 00Eh
15-12
–
Not Used.
–
–
11-0
RASTER_STRUCTURE1[11:0]
Words Per Active Line.
R
0
RASTER_STRUCTURE2
Address: 00Fh
15-12
–
Not Used.
–
–
11-0
RASTER_STRUCTURE2[11:0]
Words Per Total Line.
R
0
RASTER_STRUCTURE3
Address: 010h
15-11
–
Not Used.
–
–
10-0
RASTER_STRUCTURE3[10:0]
Total Lines Per Frame.
R
0
RASTER_STRUCTURE4
Address: 011h
15-11
–
Not Used.
–
–
10-0
RASTER_STRUCTURE4[10:0]
Active Lines Per Field.
R
0
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