ADV7185KSTZ Analog Devices Inc, ADV7185KSTZ Datasheet - Page 32

• Manufacturer Part Number: ADV7185KSTZ
• Manufacturer: Analog Devices Inc

Specifications of ADV7185KSTZ

• Adc/dac Resolution: 10b
• Screening Level: Commercial
• Package Type: LQFP
• Pin Count: 80
• Lead Free Status / RoHS Status: Compliant

ADV7185
*Automatic Clock Generator Mode. Influences the mode of operation for the LLC. Only when not in Manual Mode.
NOTES
1
2
3
4
NOTES
1
2
*Chroma Manual Gain. Lower 8 bits, see CMG [11:8] for description.
Chroma Automatic Gain Control. Selects the basic mode of operation for the AGC in the chroma path.
Luma Automatic Gain Control. Selects the mode of operation for the gain control in the luma path.
Use LMG[11:0].
Blank level to sync tip.
Chroma Manual Gain. Can be used to program a desired manual chroma gain or read back the actual used gain value. CAGC[1:0] settings will decide in which mode
Chroma Automatic Gain Timing. Allows adjustment of the Chroma AGC tracking speed. Will only have effect if CAGC[1:0] is set to auto gain (10b).
Bit Description Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
RESERVED
ACLKN[2:0]*
Bit Description
CMG[11:8]
RESERVED
CAGT[1:0]
CMG[11:0] will operate.
Bit Description Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
CMG[7:0]*
Bit Description
CAGC[1:0]
RESERVED
LAGC[2:0]
RESERVED
2
1
2
1
0
0
0
0
1
1
1
1
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
0
0
1
1
X
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
1
0
0
1
1
0
0
1
1
X
0
1
0
1
0
0
0
0
1
1
1
1
Table XXXVIII. Chroma Gain Control 1 Register (Subaddress 2D)
Table XXXIX. Chroma Gain Control 2 Register (Subaddress 2E)
0
1
0
1
0
1
0
1
Table XXXVII. AGC Mode Control Register (Subaddress 2C)
1
X
Table XXXVI. Auto Clock Control Register (Subaddress 2B)
0
0
1
1
0
0
1
1
0
1
X
0
1
0
1
0
1
0
1
0
X
X
1
0
X
X
1
0
X
X
0
0
1
1
–32–
0
X
X
0
1
0
1
Set to Zero
Color Burst Line
Start Line 24 Color Burst Line
Active Video
Active Video (<304) PAL, (<264) NTSC
Active Video (<304) PAL, (<256) NTSC
Active Video (<319/320) PAL, (<273/274) NTSC
Invalid
Invalid
Set to One
Slow (TC = 2 sec)
Medium (TC = 1 sec)
Fast (TC = 0.2 sec)
Dependent on VID_QUAL
Manual Fixed Gain. Use CMG [11:0]
Use Luma Gain for Chroma
Automatic Gain. Based on color burst
Freeze Chroma Gain
Set to One
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; Man IRE
Control
AGC Auto Override through White Peak; Man
IRE Control
AGC Active Video with White Peak
AGC Active Video with Average Video
Freeze Gain
Set to One
4
4
4
4
3
REV. 0