參數(shù)資料
型號(hào)： HMP8115
廠商： Intersil Corporation
英文描述： NTSC/PAL Video Decoder
中文描述： NTSC / PAL視頻解碼器
文件頁(yè)數(shù)： 26/43頁(yè)
文件大?。?/td> 183K
代理商： HMP8115
26
TABLE 16. COLOR PROCESSING REGISTER
SUB ADDRESS = 06
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Color Gain
Control Select
If a value of “10”, the color gain adjust register is used to specify the amount of color gain
to be applied.
00 = No gain control (gain = 1x)
01 = Automatic gain control
10 = Fixed gain control
11 = Freeze automatic gain control
01
B
5-4
Color Killer
Select
00 = Force color on
01 = Enable color killer
10 = reserved
11 = Force color off
01
B
3-2
Color Coring
Select
Coring may be used to reduce low-level noise around zero (code 128) in the CbCr sig-
nals.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
00
B
1
Contrast Control
Select
This bit specifies whether the contrast control affects just the Y data (“0”) or both the Y
and CbCr data (“1”). To avoid color shifts when changing contrast, this bit should be a “1”.
0 = Contrast controls only Y data
1 = Contrast controls Y and CbCr data
1
B
0
Color Lowpass
Filter Select
This bit selects the bandwidth of the CbCr data.
0 = 850kHz
1 = 1.5MHz
0
B
TABLE 17. LUMA PROCESSING REGISTER
SUB ADDRESS = 08
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Y Filtering
Select
The chroma trap filter may be used to remove any residual color subcarrier information
from the Y channel. During S-video operation, it should be disabled. During PAL opera-
tion, it should be enabled. The 3MHz lowpass filter may be used to remove high-frequen-
cy noise.
00 = No filtering
01 = Enable chroma trap filter
10 = Enable 3.0MHz lowpass filter
11 = reserved
00
B
5-4
Black Level Y
Coring Select
Coring may be used to reduce low-level noise around black in the Y signal.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
00
B
3-2
High Frequency Y
Coring Select
Coring may be used to reduce high-frequency low-level noise in the Y signal.
00 = No coring
01 = 1 code coring
10 = 2 code coring
11 = 3 code coring
01
B
1-0
Sharpness
Frequency Select
If a value of “01” or “10”, the sharpness adjust register is used to specify the amount of
sharpness to be applied.
00 = Bypass sharpness control
01 = Maximum gain at 2.6MHz
10 = Maximum gain at color subcarrier frequency
11 = reserved
00
B
HMP8115
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HMP8115CN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
HMP8116 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
HMP8116CN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
HMP8117 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
HMP8117_07 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:NTSC/PAL Video Decoder
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