adv7322 Analog Devices, Inc., adv7322 Datasheet - Page 57

• Manufacturer Part Number: adv7322
• Description: Multiformat 11-bit Hdtv Video Encoder
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
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 Figure 73. Input data was
generated by an external signal source.
R2
R4
1
CH1
REF A
500mV
Figure 73. HD Sharpness Filter Control with Different Gain Settings for HS Sharpness Filter Gain Values
500mV 4.00Ps
1
M 4.00Ps
9.99978ms
ALL FIELDS
Rev. PrA | Page 57 of 88
CH1
a
b
c
R2
R1
1
CH1
REF A
Table 34. Sharpness Control
Address
0x00
0x01
0x02
0x10
0x11
0x20
0x20
0x20
0x20
0x20
0x20
1
See Figure 73.
500mV
500mV 4.00Ps
Register Setting
0xFC
0x10
0x20
0x00
0x81
0x00
0x08
0x04
0x40
0x80
0x22
1
M 4.00Ps
9.99978ms
ALL FIELDS
CH1
Reference
a
b
c
d
e
f
d
e
f
ADV7322
1