參數(shù)資料
型號: SAA7118E
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: Multistandard video decoder with adaptive comb filter and component video input
中文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.05 MM HEIGHT, PLASTIC, MO-192, SOT-700-1, BGA-156
文件頁數(shù): 34/169頁
文件大?。?/td> 665K
代理商: SAA7118E
2001 May 30
34
Philips Semiconductors
Preliminary specification
Multistandard video decoder with adaptive
comb filter and component video input
SAA7118
8.1.2.3
Brightness Contrast Saturation (BCS) control and decoder output levels
The resulting Y (CVBS) and C
B
-C
R
signals are fed to the BCS block, which contains the following functions:
Chrominance saturation control by DSAT7 to DSAT0
Luminance contrast and brightness control by DCON7 to DCON0 and DBRI7 to DBRI0
Raw data (CVBS) gain and offset adjustment by RAWG7 to RAWG0 and RAWO7 to RAWO0
Limiting Y-C
B
-C
R
or CVBS to the values 1 (minimum) and 254 (maximum) to fulfil “ITU Recommendation 601/656”
handbook, full pagewidth
LUMINANCE 100%
255
+
235
+
128
+
16
0
white
black
CB-COMPONENT
+
255
+
240
+
212
+
212
+
128
+
16
+
44
0
blue 100%
blue 75%
yellow 75%
yellow 100%
colourless
CR-COMPONENT
+
255
+
240
+
128
+
16
+
44
0
red 100%
red 75%
cyan 75%
cyan 100%
colourless
MHB730
Fig.19 Y-C
B
-C
R
range for scaler input and X-port output.
“ITU Recommendation 601/656” digital levels with default BCS (decoder) settings DCON[7:0] = 44H, DBRI[7:0] = 80H and DSAT[7:0] = 40H.
Equations for modification to the Y-C
B
-C
R
levels via BCS control I
2
C-bus bytes DBRI, DCON and DSAT.
Int-----------------
Luminance:
Chrominance:
It should be noted that the resulting levels are limited to 1 to 254 in accordance with “ITU Recommendation 601/656”
Y
OUT
Y
128
(
)
×
DBRI
+
=
C
R
C
B
(
)
OUT
Int---64
C
R
C
B
,
128
(
)
×
128
+
=
a. Y output range.
b. C
B
output range.
c. C
R
output range.
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參數(shù)描述
SAA7118E/V1,518 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1,551 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1,557 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1/M5 功能描述:視頻 IC COMPONENT + VIDEO PROCESSOR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1/M5,518 功能描述:視頻 IC COMPONENT + VIDEO PROCESSOR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel