adv7321 Analog Devices, Inc., adv7321 Datasheet - Page 56

• Manufacturer Part Number: adv7321
• Description: Multiformat 216 Mhz Video Encoder With Six Nsv 12-bit Dacs
• Manufacturer: Analog Devices, Inc.

ADV7320/ADV7321
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 74. Input data was
generated by an external signal source.
Table 34. Sharpness Control
Address
0x00
0x01
0x02
0x10
0x11
0x20
0x20
0x20
0x20
0x20
0x20
1
See Figure 74.
R2
R4
1
CH1
REF A
Register Setting
0xFC
0x10
0x20
0x00
0x81
0x00
0x08
0x04
0x40
0x80
0x22
500mV
Figure 74. HD Sharpness Filter Control with Different Gain Settings for HS Sharpness Filter Gain Values
500mV 4.00Ps
1
M 4.00Ps
9.99978ms
Reference
a
b
c
d
e
f
ALL FIELDS
1
Rev. 0 | Page 56 of 88
CH1
a
b
c
R1
R2
1
CH1
REF A
500mV
500mV 4.00Ps
1
M 4.00Ps
9.99978ms
ALL FIELDS
CH1
d
e
f