参数资料
型号: ADV7311KST
厂商: Analog Devices Inc
文件页数: 46/84页
文件大小: 0K
描述: IC VID ENC 6-12BIT DAC'S 64LQFP
产品变化通告: ADV7xxx Obsolescence 16/Jan/2012
标准包装: 1
类型: 视频编码器
应用: DVD,SD/HD
电压 - 电源,模拟: 2.5V
电压 - 电源,数字: 2.5V
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(14x14)
包装: 托盘
REV. A
–50–
ADV7310/ADV7311
HD Sharpness Filter and Adaptive Filter Application
Examples
HD Sharpness Filter Application
The HD sharpness filter can be used to enhance or attenuate
the Y video output signal. The following register settings were
used to achieve the results shown in the figures below. Input
data was generated by an external signal source.
Table XII.
Address
Register Setting
Reference
*
00h
FCh
01h
10h
02h
20h
10h
00h
11h
81h
20h
00h
a
20h
08h
b
20h
04h
c
20h
40h
d
20h
80h
e
20h
22h
f
*See Figure 44.
The effect of the sharpness filter can also be seen when using
the internally generated cross hatch pattern.
Table XIII.
Address
Register Setting
00h
FCh
01h
10h
02h
20h
10h
00h
11h
85h
20h
99h
f
e
d
a
b
c
1
R4
R2
CH1 500mV
M 4.00 s
CH1
ALL FIELDS
REF A
500mV 4.00 s
1
9.99978ms
R2
R1
1
CH1 500mV
M 4.00 s
CH1
ALL FIELDS
REF A
500mV 4.00 s
1
9.99978ms
Figure 44. HD Sharpness Filter Control with Different Gain Settings for HS Sharpness Filter Gain Value
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