ADV7181BCP Analog Devices Inc, ADV7181BCP Datasheet - Page 77

• Manufacturer Part Number: ADV7181BCP
• Description: IC VIDEO DECODER NTSC 64-LFCSP
• Manufacturer: Analog Devices Inc
• Type: Video Decoderr

Specifications of ADV7181BCP

• Applications: Recorders, Set-Top Boxes
• Voltage - Supply, Analog: 3.15 V ~ 3.45 V
• Voltage - Supply, Digital: 1.65 V ~ 2 V
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Adc/dac Resolution: 9b
• Screening Level: Industrial
• Package Type: LFCSP EP
• Pin Count: 64
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-ADV7181BEB - BOARD EVALUATION FOR ADV7181
• Lead Free Status / RoHS Status: Compliant, Contains lead / RoHS non-compliant

Table 184. Registers 0x2B and 0x2C
Subaddress
0x2B
0x2C
Register
Misc Gain
Control
AGC Mode
Control
Bit Description
PW_UPD. Peak white update
determines the rate of gain.
Reserved.
CKE. Color kill enable allows
the color kill function to be
switched on and off.
Reserved.
CAGC[1:0]. Chroma automatic
gain control selects the basic
mode of operation for the AGC
in the chroma path.
Reserved.
LAGC[2:0]. Luma automatic
gain control selects the mode
of operation for the gain
control in the luma path.
Reserved.
1
1
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6
0
1
0
0
0
0
1
1
1
1
5
1
0
0
1
1
0
0
1
1
4
0
1
0
1
0
1
0
1
0
1
Bit
3
0
1
1
2
0
1
1
0
1
0
0
1
1
0
0
1
0
1
0
1
Comments
Update once per
video line
Update once per
field
Set to default
Color kill disabled
Color kill enabled
Set to default
Manual fixed gain
Use luma gain for
chroma
Automatic gain
Freeze chroma gain
Set to 1
Manual fixed gain
AGC no override
through white
peak. Man IRE
control.
AGC auto-override
through white
peak. Man IRE
control.
AGC no override
through white
peak. Auto IRE
control.
AGC auto-override
through white
peak. Auto IRE
control.
AGC active video
with white peak
AGC active video
with average video
Freeze gain
Set to 1
Peak white must be
enabled. See LAGC[2:0].
For SECAM color kill,
threshold is set at 8%.
See CKILLTHR[2:0]
(
Use CMG[11:0].
Based on color burst.
Use LMG[11:0].
Blank level to sync tip.
Blank level to sync tip.
Blank level to sync tip.
Blank level to sync tip.
Notes
Table 192
).
ADV7181