參數(shù)資料
型號(hào)： ADV7184
廠(chǎng)商： Analog Devices, Inc.
英文描述： Multiformat SDTV Video Decoder with Fast Switch Overlay Support
中文描述： 標(biāo)清多格式視頻解碼器支持快速開(kāi)關(guān)重疊
文件頁(yè)數(shù)： 80/108頁(yè)
文件大?。?/td> 925K
代理商： ADV7184
ADV7184
Address
Rev. 0 | Page 80 of 108
Register
Bit Description
of Y/C, YPbPr, B/W input signals; it is also
used when a good quality input CVBS
signal is detected. For all other inputs, the
Y- shaping filter chosen is controlled by
YSFM[4:0].
Bit
Notes
7 6 5 4 3 2
0 0
0
1
1 0 Comments
1
1 SVHS 2
0
0 SVHS 3
0
1 SVHS 4
1
0 SVHS 5
1
1 SVHS 6
0
0 SVHS 7
0
1 SVHS 8
1
0 SVHS 9
1
1 SVHS 10
0
0 SVHS 11
0
1 SVHS 12
1
0 SVHS 13
1
1 SVHS 14
0
0 SVHS 15
0
1 SVHS 16
1
0 SVHS 17
1
1 SVHS 18 (CCIR 601)
0
0 Reserved. Do not use.
~ ~ Reserved. Do not use.
1
1 Reserved. Do not use.
Set to default
Auto selection of best filter
Manual select filter using
WYSFM[4:0]
0
0 Narrow
0
1 Medium
1
0 Wide
1
1 Widest
Narrow
Medium
Medium
Wide
Set as default
x
x Set to default
Use 27 MHz crystal
Use 28..63636 MHz crystal
LLC pin active
LLC pin three-stated
0
0 No Delay
1
0 Luma 1 clk (37 nS) delayed
1
0 Luma 2 clk (74 nS) early
1
1 Luma 1 clk (37 nS) early
Set to Zero
Not 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 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 O/P samples
0 Update once per video line
1 Update once per field
0
Set to default
Color kill disabled
0 0 0
0 0 1
0 0 1
0 0 1
0 0 1
0 1 0
0 1 0
0 1 0
0 1 0
0 1 1
0 1 1
0 1 1
0 1 1
1 0 0
1 0 0
1 0 0
1 0 0
1 0 1
~ ~ ~
1 1 1
Reserved.
WYSFMOVR. Enables the use of automatic
WYSFN filter.
1 1 1 1
0 0 0 x
0
1
0
1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0
0 0
0 1
1 0
1 1
PSFSEL[1:0]. Controls the signal bandwidth
that is fed to the comb filters (PAL).
NSFSEL[1:0]. Controls the signal bandwidth
that is fed to the comb filters (NTSC).
0x19
Comb Filter Control
Reserved.
Reserved.
EN28XTAL
0
0x1D
ADI Control 2
TRI_LLC
LTA[1:0]. Luma timing adjust allows the
user to specify a timing difference between
chroma and luma samples.
CVBS mode LTA[1:0] = 00b
S-Video mode LTA[1:0]= 01b
YPrPb mode LTA[1:0] = 01b
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 to align luma and
chroma at the output for all modes of
operation.
1
0
1
1 0 0 0
0
0x27
Pixel Delay Control
SWPC. Allows the Cr and Cb samples to be
swapped.
PW_UPD. Peak white update determines
the rate of gain.
Peak white must be enabled.
See LAGC[2:0]
Reserved.
CKE. Color kill enable allows the color kill
For SECAM color kill, threshold
0x2B
Misc Gain Control
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