參數(shù)資料
型號(hào)： ADV7183AKST
廠商： ANALOG DEVICES INC
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： Multiformat SDTV Video Decoder
中文描述： COLOR SIGNAL DECODER, PQFP80
封裝： LEAD FREE, MS-026-BEC, LQFP-80
文件頁(yè)數(shù)： 80/104頁(yè)
文件大?。?/td> 894K
代理商： ADV7183AKST
ADV7183A
Table 187. Register 0x27 to 0x2A
Subaddress
Register
0x27
Rev. A | Page 80 of 104
Bit Description
LTA[1:0]
. Luma timing adjust
allows the user to specify a
timing difference between
chroma and luma samples.
Bit
4
0
0
1
1
0
0
1
1
Comments
No Delay
Luma 1 clk (37 ns) delayed
Luma 2 clk (72 ns) early
Luma 1 clk (37 ns) early
Set to 0
Not a valid setting
Chroma + 2 pixels (early)
Chroma + 1 pixel (early)
No Delay
Chroma – 1 pixel (late)
Chroma – 2 pixels (late)
Chroma – 3 pixels (late)
Not a valid setting
Use values in LTA[1:0] and
CTA[2:0] for delaying
luma/chroma
LTA and CTA values
determined automatically
No swapping
Swap the Cr and Cb
Notes
CVBS mode
LTA[1:0] = 00b;
S-Video mode
LTA[1:0]= 01b,
YPrPb mode
LTA[1:0] = 01b
7
6
0
5
0
0
0
0
1
1
1
1
3
0
1
0
1
0
1
0
1
2
0
1
0
0
1
0
0
0
1
0
1
Pixel
Delay
Control
Reserved
CTA[2:0]
. Chroma timing
adjust allows a specified
timing difference between
the luma and chroma
samples.
CVBS mode
CTA[2:0] = 011b,
S-Video mode
CTA[2:0] = 101b,
YPrPb mode
CTA[2:0] = 110b
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
0
1
SWPC.
Allows the Cr and Cb
samples to be swapped.
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