參數(shù)資料
型號(hào)： AD7183
廠商： Analog Devices, Inc.
英文描述： Advanced Video Decoder with 10-Bit ADC and Component Input Support
中文描述： 先進(jìn)的視頻解碼器，10位ADC和組件輸入支持
文件頁(yè)數(shù)： 23/41頁(yè)
文件大小： 484K
代理商： AD7183
REV. 0
ADV7183
–23–
Table VII. Video Enhancement Control Register (Subaddress 02)
Bit Description Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
YPM[2:0]
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
C = 4.5 dB, S = 9.25 dB
2
C = 4.5 dB, S = 9.25 dB
3
C = 4.5 dB, S = 5.75 dB
C = 1.25 dB, S = 3.3 dB
No Change; C = 0, S = 0
C = –1.25 dB, S = –3 dB
C = –1.75 dB, S = –8 dB
C = –3.0 dB, S = –8 dB
No Coring
Truncate if Y < black + 8
Truncate if Y < black + 16
Truncate if Y < black + 32
Set to Zero
COR[1:0]
4
0
0
1
1
0
1
0
1
RESERVED
NOTES
1
Y Peaking Filter Mode. Allows the user to boost/attenuate luma signals around the color subcarrier frequency. Used to enhance the picture and improve the contrast.
2
C = Composite (2.6 MHz)
3
S = S-Video (3.75 MHz)
4
Coring Selection. Controls optional coring of the Y output signal depending on its level.
0
0
0
Table VIII. Output Control Register (Subaddress 03)
Bit Description
OM_SEL[1:0]
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register Setting
1
0
0
1
1
0
1
0
1
LLC-Compatible
SCAPI Mode
CAPI Mode
Not Valid Setting
OF_SEL[3:0]
2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
16-bit @ LLC2 4:2:2 CCIR656
8-bit @ LLC 4:2:2 CCIR656
12-bit @ LLC2 4:1:1
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Drivers Dependent on
OE
Pin
Drivers Three-Stated Regardless of
OE
Pin
All Lines Filtered and Scaled
Active Video Region Only
TOD
3
0
1
VBI_EN
4
0
1
NOTES
1
Output Mode Selection. Selects the output mode as in the timing and interface type.
2
Allows the user to choose from a set of output formats.
3
Three-State Output Drivers. Allows the user to three-state the output drivers regardless of the state of the
OE
pin.
4
Allows VBI data (lines 1 to 21) to be passed through with only a minimum amount of filtering performed.
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