參數(shù)資料
型號: SAA7118H
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, PQFP160
封裝: 28 X 28 MM, 3.40 MM HEIGHT, PLASTIC, MS-022, SOT322-2 , QFP-160
文件頁數(shù): 34/169頁
文件大?。?/td> 665K
代理商: SAA7118H
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.
相關(guān)PDF資料
PDF描述
SAA7120 Digital Video Encoder (ConDENC)
SAA7120H-01 Digital Video Encoder (ConDENC)
SAA7121 Digital Video Encoder (ConDENC)
SAA7124HZ Digital Video Encoder ECO-DENC
SAA7124 Digital Video Encoder ECO-DENC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7118H/V1,557 功能描述:視頻 IC VIDEO DECODER 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
SAA7118HBB 功能描述:視頻 IC VIDEO DECODER W/FILTER 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
SAA7120 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder (ConDENC)
SAA7120H 制造商:NXP Semiconductors 功能描述:Video/TV Circuit, Color Encoder Circuit, 44 Pin, Plastic, QFP
SAA7120H-01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder (ConDENC)