參數(shù)資料
型號: ADV7181
廠商: Analog Devices, Inc.
英文描述: Multiformat SDTV Video Decoder
中文描述: 標清多格式視頻解碼器
文件頁數(shù): 47/96頁
文件大?。?/td> 873K
代理商: ADV7181
ADV7181B
Wide Screen Signaling Data
Rev. 0 | Page 47 of 96
WSS1[7:0], Address 0x91 [7:0],
WSS2[7:0], Address 0x92 [7:0]
Figure 30 shows the bit correspondence between the analog
video waveform and the WSS1/WSS2 registers. WSS2[7:6] are
undetermined and should be masked out by software.
EDTV Data Registers
EDTV1[7:0], Address 0x93 [7:0],
EDTV2[7:0], Address 0x94 [7:0],
EDTV3[7:0], Address 0x95 [7:0]
Figure 31 shows the bit correspondence between the analog
video waveform and the EDTV1/EDTV2/EDTV3 registers.
EDTV3[7:6] are undetermined and should be masked out by
software. EDTV3[5] is reserved for future use and, for now,
contains a 0. The three LSBs of the EDTV waveform are
currently not supported.
0
ACTIVE
VIDEO
WSS2[5:0]
WSS1[7:0]
SRUN-IN
START
CODE
0
1
2
3
4
5
6
7
0
1
2
3
4
5
11.0
μ
s
38.4
μ
s
42.5
μ
s
Figure 30.WSS Data Extraction
Table 56. WSS Access Information
Signal Name
WSS1 [7:0]
WSS2 [5:0]
Register Location
WSS 1 [7:0]
WSS 2 [5:0]
Address
Register Default Value
Readback Only
Readback Only
145d
146d
0x91
0x92
EDTV1[7:0]
EDTV2[7:0]
EDTV3[5:0]
NOT SUPPORTED
0
1
3
4
5
6
7
0
1
2
3 4
5
6
7
0
1
2
3
4
5
2
0
Figure 31. EDTV Data Extraction
Table 57. EDTV Access Information
Signal Name
EDTV1[7:0]
EDTV2[7:0]
EDTV3[7:0]
Register Location
EDTV 1 [7:0]
EDTV 2 [7:0]
EDTV 3 [7:0]
Address
Register Default Value
Readback Only
Readback Only
Readback Only
147d
148d
149d
0x93
0x94
0x95
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