ADV7181 AD [Analog Devices], ADV7181 Datasheet - Page 85

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

Subaddress
0xC4
0xDC
0xDD
0xDE
0xDF
0xE0
0xE1
0xE2
0xE3
0xE4
0xE5
Register
ADC
SWITCH 2
Letterbox
Control 1
Letterbox
Control 2
SD Offset
Cb
SD Offset
Cr
SD
Saturation
Cb
SD
Saturation
Cr
NTSC V Bit
Begin
Bit Description
ADC2_SW[3:0]. Manual muxing
control for ADC2.
Reserved
ADC_SW_MAN_EN. Enable manual
setting of the input signal muxing.
LB_TH [4:0]. Sets the threshold value
that determines if a line is black.
Reserved
LB_EL[3:0]. Programs the end line of
the activity window for LB detection
(end of field).
LB_SL[3:0]. Program the start line of
the activity window for LB detection
(start of field).
Reserved
Reserved
Reserved
SD_OFF_CB [7:0]. Adjusts the hue by
selecting the offset for the Cb
channel.
SD_OFF_CR [7:0]. Adjusts the hue by
selecting the offset for the Cr
channel.
SD_SAT_CB [7:0]. Adjusts the
saturation of the picture by
affecting gain on the Cb channel.
SD_SAT_CR [7:0]. Adjusts the
saturation of the picture by
affecting gain on the Cr channel.
NVBEG[4:0]. How many lines after
l
NVBEGSIGN
NVBEGDELE. Delay V bit going high
by one line relative to NVBEG (even
field).
NVBEGDELO. Delay V bit going high
by one line relative to NVBEG (odd
field).
COUNT
rollover to set V high.
Rev. 0 | Page 85 of 96
7 6
0
1
1 0
0 1
0 0
0 0
0 0
1 0
1 0
1 0
1 0
0
1
x
0
1
5
x
1
0
0
0
0
0
0
0
0
0
1
4 3
x
0
0
0
0
1
0
0
0
0
0
Bits
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
1
Comments
Disable
Enable
detection of black lines.
the last line of active video
on a field.
1100b: 262/525.
aligned with the start of
active video,
0100b: 23/286 NTSC.
Chroma gain = 0 dB
Chroma gain = 0 dB
programming
programming
No delay
Additional delay by 1 line
No connection
No connection
No connection
No connection
No connection
AIN6
No connection
No connection
No connection
No connection
No connection
No connection
No connection
AIN5
No connection
No connection
Default threshold for the
Set as default
LB detection ends with
Letterbox detection
NTSC default (BT.656)
Set to low when manual
Not suitable for user
No delay
Additional delay by 1 line
Notes
SETADC_sw_
man_en = 1
ADV7181B