ADV7173KST Analog Devices Inc, ADV7173KST Datasheet - Page 33
![IC DAC VIDEO NTSC 6-CH 48LQFP](/photos/6/59/65923/505-48-lqfp_sml.jpg)
ADV7173KST
Manufacturer Part Number
ADV7173KST
Description
IC DAC VIDEO NTSC 6-CH 48LQFP
Manufacturer
Analog Devices Inc
Type
Video Encoderr
Datasheet
1.ADV7173KSTZ.pdf
(60 pages)
Specifications of ADV7173KST
Rohs Status
RoHS non-compliant
Applications
Multimedia
Voltage - Supply, Analog
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
48-LQFP
Number Of Dac's
6
Adc/dac Resolution
10b
Screening Level
Commercial
Package Type
LQFP
Pin Count
48
For Use With
EVAL-ADV7173EBM - BOARD EVAL FOR ADV7173
Voltage - Supply, Digital
-
Lead Free Status / RoHS Status
Not Compliant
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MODE REGISTER 7 MR7 (MR77–MR70)
(Address (SR4–SR0) = 07H)
Mode Register 7 is an 8-bit-wide register. Figure 51 shows the
various operations under the control of Mode Register 7.
MR7 BIT DESCRIPTION
Color Control Enable (MR70)
This bit is used to enable control of contrast and saturation of
color. If this bit is set (“1”), color controls are enabled; if this
bit is set (“0”), the color control features are disabled.
Luma Saturation Control (MR71)
When this bit is set (“1”), the luma signal will be clipped if it
reaches a limit that corresponds to an input luma value of
255 after scaling by the contrast control. This prevents the
chrominance component of the composite video signal being
clipped if the amplitude of the luma is too high. When this bit is
set (“0”), this control is disabled.
Hue Adjust Enable (MR72)
This bit is used to enable hue adjustment on the composite and
chroma output signals of the ADV7172/ADV7173. When this
bit is set (“1”), the hue of the color is adjusted by the phase
offset described in the Hue Control Register. When this bit is
set (“0”) hue adjustment is disabled.
MR77
BE WRITTEN TO
ZERO SHOULD
THESE BITS
MR77 MR76
MR76
MR75
OUTPUT CONTROL
0
1
CSO_HSO
MR75
HSO OUT
CSO OUT
RESPONSE ENABLE
MR74
0
1
SHARPNESS
MR74
DISABLE
ENABLE
ENABLE CONTROL
MR73
0
1
BRIGHTNESS
MR73
DISABLE
ENABLE
Brightness Enable Control (MR73)
This bit is used to enable brightness control on the ADV7172/
ADV7173 by enabling the programmable “setup level” or ped-
estal described in the Brightness Control Register to be added to
the scaled Y data. When this bit is set (“1”), brightness control
is enabled. When this bit is set (“0”), brightness control is disabled.
Sharpness Response Enable (MR74)
This bit is used to enable the sharpness of the luminance signal
on the ADV7172/ADV7173 (MR04–MR02 = 100). The various
responses of the filter are determined by the Sharpness Response
Register. When this bit is set (“1”) the luma response is altered
by the amount described in the Sharpness Response Register.
When this bit is set (“0”), the sharpness control is disabled (see
Figures 19, 20, and 21 for luma signal responses).
CSO_HSO Output Control (MR75)
This bit is used to determine whether HSO or CSO TTL out-
put signal is output at the CSO_HSO pin. If this bit is set (“1”),
then the CSO TTL signal is output. If this bit is set (“0”), then
the HSO TTL signal is output.
Reserved (MR77–MR76)
A Logic “0” must be written to these bits.
MR72
HUE ADJUST
0
1
ENABLE
MR72
DISABLE
ENABLE
LUMA SATURATION
MR71
0
1
CONTROL
MR71
DISABLE
ENABLE
MR70
COLOR CONTROL
0
1
ENABLE
MR70
DISABLE
ENABLE
ADV7172/ADV7173