參數(shù)資料
型號： ADV7189
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)： 30/104頁
文件大小： 890K
代理商： ADV7189
ADV7189
Table 60. YSFM Function
YSFM[4:0]
Description
0'0000
Automatic selection including a wide notch
response (PAL/NTSC/SECAM)
0'0001*
Automatic selection including a narrow notch
response (PAL/NTSC/SECAM)
0'0010
SVHS 1
0'0011
SVHS 2
0'0100
SVHS 3
0'0101
SVHS 4
0'0110
SVHS 5
0'0111
SVHS 6
0'1000
SVHS 7
0'1001
SVHS 8
0'1010
SVHS 9
0'1011
SVHS 10
0'1100
SVHS 11
0'1101
SVHS 12
0'1110
SVHS 13
0'1111
SVHS 14
1'0000
SVHS 15
1'0001
SVHS 16
1'0010
SVHS 17
1'0011
SVHS 18 (CCIR 601)
1'0100
PAL NN 1
1'0101
PAL NN 2
1'0110
PAL NN 3
1'0111
PAL WN 1
1'1000
PAL WN 2
1'1001
NTSC NN 1
1'1010
NTSC NN 2
1'1011
NTSC NN 3
1'1100
NTSC WN 1
1'1101
NTSC WN 2
1'1110
NTSC WN 3
1'1111
Reserved
*Default value.
Rev. A | Page 30 of 104
WYSFM[4:0] Wide Band Y Shaping Filter Mode (SDP),
Address 0x18, [4:0]
The WYSFM[4:0] bits allow the user to manually select a
shaping filter for good quality video signals (e.g., CVBS with
stable time base, luma component of YPrPb, luma component
of YC). The WYSFM bits are only active if the WYSFMOVR bit
is set to 1. See the general discussion of the shaping filter
settings in the Y Shaping Filter section.
Table 61. WYSFM Function
WYSFM[4:0]
0'0000
0'0001
0'0010
0'0011
0'0100
0'0101
0'0110
0'0111
0'1000
0'1001
0'1010
0'1011
0'1100
0'1101
0'1110
0'1111
1'0000
1'0001
1'0010
1'0011*
1'0100–1’1111
*Default value.
Description
Do not use
Do not use
SVHS 1
SVHS 2
SVHS 3
SVHS 4
SVHS 5
SVHS 6
SVHS 7
SVHS 8
SVHS 9
SVHS 10
SVHS 11
SVHS 12
SVHS 13
SVHS 14
SVHS 15
SVHS 16
SVHS 17
SVHS 18 (CCIR 601)
Do not use
0
–10
–20
–30
–40
–50
–60
–70
0
10
8
6
4
2
12
0
FREQUENCY (MHz)
v740a COMBINED Y ANY RESAMPLE
A
Figure 12. SDP Y S-VHS Combined Responses
The filter plots in Figure 12 show the S-VHS 1 (narrowest) to
S-VHS 18 (widest) shaping filter settings. Figure 14 shows the
PAL notch filter responses. The NTSC compatible notches are
shown in Figure 15.
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參數(shù)描述
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