Data Sheet
ADV7180
Bits
(Shading Indicates Default State)
Subaddress
Register
Bit Description
Reserved
7
6
5
4
3
2
1
0
Comments
Notes
x
x
Reserved
1
BT.656-4; allows the
user to select an output
mode compatible with
ITU-R BT.656-3/-4
0
1
ITU-R BT.656-3 compatible
ITU-R BT.656-4 compatible
0x07
Autodetect
enable
AD_PAL_EN; PAL B/D/I/G/H
autodetect enable
0
1
Disable
Enable
Disable
AD_NTSC_EN; NTSC
autodetect enable
0
1
Enable
Disable
AD_PALM_EN; PAL M
autodetect enable
0
1
Enable
Disable
AD_PALN_EN; PAL N
autodetect enable
0
1
Enable
Disable
AD_P60_EN; PAL 60
autodetect enable
0
1
Enable
Disable
AD_N443_EN; NTSC 4.43
autodetect enable
0
1
Enable
Disable
AD_SECAM_EN; SECAM
autodetect enable
0
1
Enable
Disable
AD_SEC525_EN; SECAM
525 autodetect enable
0
1
1
Enable
0x08
0x0A
0x0B
0x0C
Contrast
CON[7:0]; contrast adjust;
this is the user control for
contrast adjustment
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Luma gain = 1
0x00 gain = 0,
0x80 gain = 1,
0xFF gain = 2
Brightness
Hue
BRI[7:0]; this register
controls the brightness
of the video signal
0
0
0x00 = 0 IRE,
0x7F = +30 IRE,
0x80 = −30 IRE
HUE[7:0]; this register
contains the value for
the color hue adjustment
Hue range =
−90° to +90°
Default Value Y
DEF_VAL_EN;
default value enable
0
1
Free-run mode dependent on
DEF_VAL_AUTO_EN
Force free-run mode on and output
blue screen
DEF_VAL_AUTO_EN;
default value automatic
enable
0
1
Disable free-run mode
When lock is lost,
free-run mode
can be enabled to
output stable
Enable automatic free-run mode
(blue screen)
timing, clock, and
a set color
DEF_Y[5:0]; default value is
Y; this register holds the Y
default value
0
0
0
1
1
1
1
1
0
1
1
1
Y[7:0] = {DEF_Y[5:0], 0, 0}
Default Y value
output in free-run
mode
0x0D
Default Value C
DEF_C[7:0]; default value
is C; the Cr and Cb default
values are defined in this
register
0
0
Cr[3:0] = {DEF_C[7:4], 0, 0, 0, 0}
Cb[3:0] = {DEF_C[3:0], 0, 0, 0, 0}
Default Cb/Cr
value output in
free-run mode;
default values give
blue screen output
Rev. G | Page 85 of 120
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