參數(shù)資料
型號(hào)： ADV7189BKSTZ
廠商： Analog Devices Inc
文件頁數(shù)： 81/104頁
文件大?。?/td> 0K
描述： IC DECODER VIDEO W/ADC 80LQFP
標(biāo)準(zhǔn)包裝： 1
類型： 視頻解碼器
應(yīng)用： 機(jī)頂盒，視頻播放器，錄音機(jī)
電壓 - 電源，模擬： 3.15 V ~ 3.45 V
電壓 - 電源，數(shù)字： 1.65 V ~ 2 V
安裝類型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（14x14）
包裝： 托盤
產(chǎn)品目錄頁面： 788 (CN2011-ZH PDF)
ADV7189B
Rev. B | Page 78 of 104
Bits
Subaddress
Register
Bit Description
7
6
5
4
3
2
1
0
Comments
Notes
0
No delay
1
0
Luma 1 clk (37ns) delayed
1
0
Luma 2 clk (74ns) early
LTA[1:0]. Luma timing adjust allows
the user to specify a timing
difference between chroma and
luma samples.
1
Luma 1 clk (37ns) early
CVBS mode
LTA[1:0] = 00b;
S-Video mode
LTA[1:0] = 01b;PrPb
mode LTA[1:0] = 01b
Reserved
0
Set to 0
0
Not valid setting
0
1
Chroma +2 pixels (early)
0
1
0
Chroma +1 pixel (early)
0
1
No delay
1
0
Chroma 1 pixel (late)
1
0
1
Chroma 2 pixels (late)
1
0
Chroma 3 pixels (late)
CTA[2:0]. Chroma timing adjust
allows a specified timing difference
between the luma and chroma
samples
1
Not valid setting
CVBS mode
CTA[2:0] = 011b
S-Video mode
CTA[2:0] = 101b
YPrPb mode
CTA[2:0] = 110b
0
Use values in LTA[1:0] and
CTA[2:0] for delaying
luma/chroma
AUTO_PDC_EN. Automatically
programs the LTA/CTA values so
that luma and chroma are aligned
at the output for all modes of
operation.
1
LTA and CTA values
determined automatically
0
No swapping
0x27
Pixel Delay
Control
SWPC. Allows the Cr and Cb
samples to be swapped.
1
Swap the Cr and Cb O/P
samples
0x2B
0
Update once per video
line
PW_UPD. Peak white update
determines the rate of gain.
1
Update once per field
Peak white must
be enabled.
See LAGC[2:0]
Reserved
1
0
Set to default
0
Color kill disabled
CKE. Color kill enable allows the
color kill function to be switched
on and off.
1
Color kill enabled
For SECAM color kill,
threshold is set at
8%.
See CKILLTHR[2:0]
Misc Gain
Control
Reserved
1
Set to default
0
Manual fixed gain
Use CMG[11:0]
0
1
Use luma gain for chroma
1
0
Automatic gain
Based on color burst
CAGC[1:0]. Chroma automatic gain
control selects the basic mode of
operation for the AGC in the
chroma path.
1
Freeze chroma gain
Reserved
1
Set to 1
0
Manual fixed gain
Use LMG[11:0]
0
1
AGC Peak white algorithm
off
Blank level to sync tip
0
1
0
AGC Peak white algorithm
on.
Blank level to sync tip
0
1
Reserved
1
0
Reserved
1
0
1
Reserved
1
0
Reserved
LAGC[2:0]. Luma automatic gain
control selects the mode of
operation for the gain control in
the luma path.
1
Freeze gain
0x2C
AGC Mode
Control
Reserved
1
Set to 1
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