ADV7180
Data Sheet
Rev. I | Page 96 of 116
Main Map
Bit Description
Bits
(Shading Indicates Default State)
Comments
Notes
Subaddress
Register
7
6
5
4
3
2
1
0
0xC3
ADC Switch 1
MUX0[2:0]; manual
muxing control for MUX0;
this setting controls which
input is routed to the ADC
for processing
LQFP
LFCSP
MAN_MUX_EN = 1
0
No connect
0
1
AIN1
0
1
0
AIN2
No connect
0
1
AIN3
No connect
1
0
AIN4
AIN2
1
0
1
AIN5
AIN3
1
0
AIN6
No connect
1
No connect
Reserved
0
MUX1[2:0]; manual
muxing control for MUX1;
this setting controls which
input is routed to the ADC
for processing
LQFP
LFCSP
MAN_MUX_EN = 1
0
No connect
0
1
No connect
0
1
0
No connect
0
1
AIN3
No connect
1
0
AIN4
AIN2
1
0
1
AIN5
AIN3
1
0
AIN6
No connect
1
No connect
Reserved
0
0xC4
ADC Switch 2
MUX2[2:0]; manual
muxing control for MUX2;
this setting controls which
input is routed to the ADC
for processing
LQFP
LFCSP
MAN_MUX_EN = 1
0
No connect
0
1
No connect
0
1
0
AIN2
No connect
0
1
No connect
1
0
No connect
1
0
1
AIN5
AIN3
1
0
AIN6
No connect
1
No connect
Reserved
0
MAN_MUX_EN; enable
manual setting of the
input signal muxing
0
Disable
This bit must be set
to 1 for manual
muxing
1
Enable
0xDC
Letterbox
Control 1
LB_TH[4:0]; sets the
threshold value that
determines if a line is
black
0
1
0
Default threshold for the detection of
black lines
01101 to 10000—increase threshold,
00000 to 01011—decrease threshold
Reserved
1
0
1
Set as default
0xDD
Letterbox
Control 2
LB_EL[3:0]; programs the
end line of the activity
window for LB detection
(end of field)
1
0
LB detection ends with the last line of
active video on a field, 1100b: 262/525
LB_SL[3:0]; programs the
start line of the activity
window for LB detection
(start of field)
0
1
0
Letterbox detection aligned with the
start of active video, 0100b: 23/286 NTSC
0xDE
ST Noise
Readback 1
(read only)
ST_NOISE[10:8]
x
ST_NOISE_VLD
x
When = 1, ST_NOISE[10:0] is valid
0xDF
ST Noise
Readback 2
(read only)
ST_NOISE[7:0]
x
0xE1
SD Offset Cb
SD_OFF_Cb[7:0]; adjusts
the hue by selecting the
offset for the Cb channel
0
312 mV offset applied to the Cb channel
1
0
0 mV offset applied to the Cb channel
1
+312 mV offset applied to the Cb channel
0xE2
SD Offset Cr
SD_OFF_Cr[7:0]; adjusts
the hue by selecting the
offset for the Cr channel
0
312 mV offset applied to the Cr channel
1
0
0 mV offset applied to the Cr channel
1
+312 mV offset applied to the Cr channel
0xE3
SD Saturation Cb
SD_SAT_Cb[7:0]; adjusts
the saturation by affecting
gain on the Cb channel
0
Gain on Cb channel = 42 dB
1
0
Gain on Cb channel = 0 dB
1
Gain on Cb channel = +6 dB