ADV7330KST Analog Devices Inc, ADV7330KST Datasheet - Page 45

• Manufacturer Part Number: ADV7330KST
• Manufacturer: Analog Devices Inc

Specifications of ADV7330KST

• Operating Supply Voltage (typ): 2.5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Package Type: LQFP
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Compliant

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.
REV. B
Figure 35. HD Sharpness Filter Control with Different Gain Settings for HS Sharpness Filter Gain Value
Address
00h
01h
02h
10h
11h
20h
20h
20h
20h
20h
20h
R2
R4
1
CH1
REF A
500mV
Register
Setting
FCh
10h
20h
00h
81h
00h
08h
04h
40h
80h
22h
Table XI.
500mV 4.00 s
Reference in
Figure 35
1
M 4.00 s
9.99978ms
a
b
c
d
e
f
ALL FIELDS
CH1
–45–
b
a
c
R2
R1
The effect of the sharpness filter can also be seen when using
the internally generated cross hatch pattern.
In toggling the sharpness filter enable bit [Address 11h, Bit 8],
it can be seen that the line contours of the crosshatch pattern
change their sharpness.
1
CH1
REF A
500mV
Address
00h
01h
02h
10h
11h
20h
500mV 4.00 s
1
Table XII.
M 4.00 s
9.99978ms
Register Setting
FCh
10h
20h
00h
85h
99h
ALL FIELDS
ADV7330
CH1
d
e
f