參數(shù)資料
型號: ADV7188
廠商: Analog Devices, Inc.
英文描述: Multiformat SDTV Video Decoder with Fast Switch Overlay Support
中文描述: 標清多格式視頻解碼器支持快速開關(guān)重疊
文件頁數(shù): 81/112頁
文件大?。?/td> 943K
代理商: ADV7188
ADV7188
Address
Rev. 0 | Page 81 of 112
Register
Bit Description
filter chosen is controlled by YSFM[4:0].
Bit
Notes
7 6 5 4 3 2 1 0 Comments
0 0 1 0 1 SVHS 4
0 0 1 1 0 SVHS 5
0 0 1 1 1 SVHS 6
0 1 0 0 0 SVHS 7
0 1 0 0 1 SVHS 8
0 1 0 1 0 SVHS 9
0 1 0 1 1 SVHS 10
0 1 1 0 0 SVHS 11
0 1 1 0 1 SVHS 12
0 1 1 1 0 SVHS 13
0 1 1 1 1 SVHS 14
1 0 0 0 0 SVHS 15
1 0 0 0 1 SVHS 16
1 0 0 1 0 SVHS 17
1 0 0 1 1 SVHS 18 (CCIR 601)
1 0 1 0 0 Reserved. Do not use.
~ ~ ~ ~ ~ Reserved. Do not use.
1 1 1 1 1 Reserved. Do not use.
0 0
0
1
Reserved.
WYSFMOVR. Enables the use of automatic
WYSFN filter.
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
0 0
Narrow
0 1
Medium
1 0
Medium
1 1
Wide
1 1 1 1
0 0 0 x x x Set to default
0
1
0
1
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
0
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
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
Set as default
Use 27 MHz crystal
Use 28.63636 MHz crystal
LLC pin active
LLC pin three-stated
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.
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
1 0 0 0 0
Set to default
0
Color kill disabled
1
Color kill enabled
1
Set to default
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
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
function to be switched on and off.
For SECAM color kill, threshold is set at
8%. See CKILLTHR[2:0]
0x2B
Misc Gain Control
Reserved.
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