ADV7181 AD [Analog Devices], ADV7181 Datasheet - Page 87

• Manufacturer Part Number: ADV7181
• Description: Multiformat SDTV Video Decoder
• Manufacturer: AD [Analog Devices]

Subaddress
0xF4
0xF8
0xF9
Register
Drive
Strength
IF Comp
Control
VS Mode
Control
Bit Description
DR_STR_S[1:0] Select the drive
strength for the Sync output signals.
DR_STR_C[1:0] Select the drive
strength for the Clock output signal.
DR_STR[1:0] Select the drive
strength for the data output signals.
Can be increased or decreased for
EMC or crosstalk reasons.
Reserved
IFFILTSEL[2:0] IF filter selection for
Pal and NTSC
Reserved
EXTEND_VS_MAX_FREQ
EXTEND_VS_MIN_FREQ
VS_COAST_MODE[1:0]
Reserved
Rev. 0 | Page 87 of 96
x x
7 6
0 0
0 0
5
0
0
1
1
0
0
4 3
0
1
0
1
0
0
Bits
0
0
1
1
0
0
0
1
1
2
0
1
0
1
0
0
0
0
1
1
1
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Comments
strength (2x)
strength (3x)
strength (2x)
strength (3x)
strength (2x)
strength (3x)
No delay
2 MHz
−3 dB
−6 dB
−10 dB
3 MHz
−2 dB
−5 dB
−7 dB
frequency to 66.25 Hz
(475 lines/frame)
frequency to 70.09 Hz
(449 lines/frame)
frequency to 42.75 Hz
(731 lines/frame)
frequency to 39.51 Hz
(791 lines/frame)
Low drive strength (1x)
Medium-low drive
Medium-high drive
High drive strength (4x)
Low drive strength (1x)
Medium-low drive
Medium-high drive
High drive strength (4x)
Low drive strength (1x)
Medium-low drive
Medium-high drive
High drive strength (4x)
Bypass mode
Reserved
Limit Maximum Vsync
Limit Maximum Vsync
Limit Minimum Vsync
Limit Minimum Vsync
Auto Coast mode
50 Hz Coast Mode
60 Hz Coast Mode
Reserved
5 MHz
−2 dB
+3.5 dB
+5 dB
6 MHz
+2 dB
+3 dB
+5 dB
Notes
0 dB
NTSC dilters
PAL Filters
This value sets up
the output coast
frequency.
ADV7181B