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參數(shù)資料
| 型號(hào)： | SAA7158 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Back END IC |
| 中文描述： | 后端芯片 |
| 文件頁(yè)數(shù)： | 2/18頁(yè) |
| 文件大?。?/td> | 117K |
| 代理商： | SAA7158 |
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July 1994
2
Philips Semiconductors
Preliminary specification
Back END IC
SAA7158
FEATURES
Line Flicker Reduction (LFR) by means of MEDIAN filtering
Vertical zoom
Digital colour transient improvement
Digital luminance peaking
Movie phase detection
4:4:4 YUV data throughput selectable, standard is 4:1:1 Y/U/V
D/A conversion
UART interface.
GENERAL DESCRIPTION
Application Environment
The Back END IC (abbreviated as BENDIC) is designed to cooperate with an 8051 type of microprocessor, the ECO3
(SAA4951) memory controller and Texas Instruments TMS4C2970 memories, but other configurations may be
applicable. Fig.1 shows the block diagram of the feature box. The nominal clock frequency of the IC is 27 MHz or 32 MHz,
with a maximum of 36 MHz.
The system supports the digital Y/U/V bus for selection of different video signal sources. The Y/U/V bus and the BENDIC
data input are fully synchronous with respect to the clock signal. A line reference signal BLN for timing control purposes
has to be provided by external elements which always controls the system timing, independent of active signal sources
or desired functions.
Analog Characteristics
The BENDIC contains 3 independent, high speed digital to analog converters for luminance and colour difference signal
processing and conversion. The resolution of the two DA converters for the colour difference signals is 8 bit. The
luminance peaking up to 6 dB at high frequencies widens the resolution of the luminance channel. To avoid aliasing
effects due to time discrete amplitude limiting the resolution of 9-bit is offered for the luminance conversion. All output
stages provide high performance output stages for driving lines with low impedance line termination.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1.
SOT188-2; 1996 November 26.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
DD
digital supply voltage
analog supply voltage
operating ambient temperature
4.5
4.75
0
5.5
5.25
+
70
V
V
°
C
T
amb
EXTENDED
TYPE NUMBER
PACKAGE
PINS
PIN POSITION
MATERIAL
CODE
SOT188
(1)
SAA7158WP
68
PLCC
plastic
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7158WP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Back END IC |
| SAA7160E | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PCI Express based audio and video bridge |
| SAA7160E/V1,557 | 制造商:NXP Semiconductors 功能描述: |
| SAA7160E/V2,557 | 制造商:NXP Semiconductors 功能描述: |
| SAA7160ET | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PCI Express based audio and video bridge |
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