参数资料
型号: ADV7183BBSTZ
厂商: Analog Devices Inc
文件页数: 22/100页
文件大小: 0K
描述: IC VIDEO DECODER NTSC 80-LQFP
产品培训模块: Interfacing AV Converters to Blackfin Processors
标准包装: 1
类型: 视频解码器
应用: 投影仪,录音机,安全
电压 - 电源,模拟: 3.15 V ~ 3.45 V
电压 - 电源,数字: 1.65 V ~ 2 V
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
产品目录页面: 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 28 of 100
AUTO SELECT LUMA
SHAPING FILTER TO
COMPLEMENT COMB
SET YSFM
YSFM IN AUTO MODE?
00000 OR 00001
VIDEO
QUALITY
BAD
GOOD
SELECT WIDEBAND
FILTER AS PER
WYSFM[4:0]
SELECT AUTOMATIC
WIDEBAND FILTER
WYSFMOVR
1
0
USE YSFM SELECTED
FILTER REGARDLESS FOR
GOOD AND BAD VIDEO
YES
NO
04997-011
Figure 11. YSFM and WYSFM Control Flowchart
Table 30. YSFM Function
YSFM[4:0]
Description
0'0000
Automatic selection including a wide notch
response (PAL/NTSC/SECAM)
0'0001 (default)
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
WYSFM[4:0] Wideband Y-Shaping Filter Mode,
Address 0x18[4:0]
The WYSFM[4:0] bits allow the user to manually select a shaping
filter for good quality video signals, for example, CVBS with
time-base stability, luma component of YPrPb and luma
component of Y/C. The WYSFM bits are active only if the
WYSFMOVR bit is set to 1. See the general discussion of the
shaping filter settings in the
179H
Y-Shaping Filter section.
Table 31. WYSFM Function
WYSFM[4:0]
Description
0'0000
Do not use
0'0001
Do not use
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 (default)
SVHS 18 (CCIR 601)
1'0100 to 1’1111
Do not use
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