參數(shù)資料
型號: SAA7114E
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI data slicer and high performance scaler
中文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.05 MM HEIGHT, PLASTIC, MO-192, SOT700-1, LBGA-156
文件頁數(shù): 33/147頁
文件大?。?/td> 759K
代理商: SAA7114E
2004 Mar 03
33
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
Fig.19 CVBS (raw data) range for scaler input, data slicer and X port output.
CVBS levels with default settings RAWG[7:0] = 64 and RAWO[7:0] = 128.
Equation for modification of the raw data levels via bytes RAWG and RAWO:
It should be noted that the resulting levels are limited to 1 to 254 in accordance with “ITU Recommendation 601/656”
CVBS
OUT
Int------64
CVBS
nom
128
(
)
×
RAWO
+
=
LUMINANCE
+
255
+
209
+
71
+
60
1
white
sync bottom
black shoulder
black
SYNC
LUMINANCE
+
255
+
199
+
60
1
white
sync bottom
black shoulder = black
SYNC
MGD700
a. Sources containing 7.5 IRE black level offset
(e.g. NTSC M).
b. Sources not containing black level offset.
8.1.4
S
YNCHRONIZATION
The prefiltered luminance signal is fed to the synchronization stage. Its bandwidth is further reduced to 1 MHz in a
low-pass filter. The sync pulses are sliced and fed to the phase detectors where they are compared with the sub-divided
clock frequency. The resulting output signal is applied to the loop filter to accumulate all phase deviations. Internal signals
(e.g. HCL and HSY) are generated in accordance with analog front-end requirements. The loop filter signal drives an
oscillator to generate the line frequency control signal LFCO; see Fig.20.
The detection of ‘pseudo syncs’ as part of the Macrovision copy protection standard is also achieved within the
synchronization circuit.
The result is reported as flag COPRO within the decoder status byte at subaddress 1FH.
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PDF描述
SAA7114 PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC combfilter, VBI-data slicer and high performance scaler
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7114E/V2,518 功能描述:視頻 IC DIGITAL VIDEO 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
SAA7114H 制造商:NXP Semiconductors 功能描述: 制造商:Philips Semiconductor 功能描述:
SAA7114H/V2 制造商:NXP Semiconductors 功能描述:7114H/V2557
SAA7114H/V2,518 功能描述:視頻 IC DIGITAL VIDEO 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
SAA7114H/V2,557 功能描述:視頻 IC DECODR W/FILTR 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