adv7180 Analog Devices, Inc., adv7180 Datasheet - Page 95

• Manufacturer Part Number: adv7180
• Description: 10-bit, 4 X Oversampling Sdtv Video Decoder
• Manufacturer: Analog Devices, Inc.

Subaddress
0xF4
0xF8
0xF9
0xFB
0xFC
Register
Drive Strength
IF Comp
Control
VS Mode
Control
Peaking Control
Coring
Threshold 2
Bit Description
DR_STR_S[1:0]. Selects the
drive strength for the sync
output signals.
DR_STR_C[1:0]. Selects
the drive strength for the
clock output signal.
DR_STR[1:0]. Selects 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.
PEAKING_GAIN[7:0].
DNR_TH2[7:0].
7
x
0
0
0
0
(Shading Indicates Default State)
6
x
0
0
1
0
Rev. B | Page 95 of 112
5
0
0
1
1
0
0
0
0
4
0
1
0
1
0
0
0
0
Bits
3
0
0
1
1
0
0
0
1
1
0
0
2
0
1
0
1
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
Medium-low drive strength (2×)
Medium-low drive strength (2×)
Medium-low drive strength (2×)
Bypass mode
2 MHz
−6 dB
−10 dB
Reserved
3 MHz
Limits maximum vsync frequency to
66.25 Hz (475 lines/frame)
Limits maximum vsync frequency to
70.09 Hz (449 lines/frame)
Limits minimum vsync frequency to
42.75 Hz (731 lines/frame)
Limits minimum vsync frequency to
39.51 Hz (791 lines/frame)
Autocoast mode
50 Hz coast mode
60 Hz coast mode
Reserved
Increases/decreases the gain for high
frequency portions of the video signal.
Specifies the maximum edge that is
interpreted as noise and therefore
blanked.
LQFP-64
Low drive strength (1×)
Medium-high drive strength (3×)
High drive strength (4×)
Low drive strength (1×)
Medium-high drive strength (3×)
High drive strength (4×)
Low drive strength (1×)
Medium-high drive strength (3×)
High drive strength (4×)
−3 dB
−2 dB
−5 dB
−7 dB
Comments
5 MHz
6 MHz
LFCSP-40
−2 dB
+3.5 dB
+5 dB
+2 dB
+3 dB
+5 dB
Notes
NTSC filters
PAL filters
This value sets up
the output coast
frequency
0 dB
ADV7180