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參數(shù)資料
| 型號： | MSM7661 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | NTSC/PAL Digital Dencoder(NTSC/PAL制式數(shù)字譯碼器) |
| 中文描述： | NTSC / PAL數(shù)字Dencoder（的NTSC / PAL制式數(shù)字譯碼器） |
| 文件頁數(shù)： | 1/40頁 |
| 文件大小： | 293K |
| 代理商： | MSM7661 |
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Semiconductor
MSM7661
1/40
NTSC/PAL Digital Video Decoder
GENERAL DESCRIPTION
The MSM7661 is an LSI device which converts digitally sampled NTSC or PAL video signals to
8-bit digital data based on ITU-RBT601.
The input video signals available are composite video signals and S video signals.
The composite video signals are converted to YUV data via a 2-dimensional Y/C separation
circuit.
The A-to-D converted data is data sampled at pixel clock frequency or double pixel clock
frequency (the built-in decimation filter is used). Input signal synchronization can lock
synchronization and color burst at high speed through internal digital processing.
FEATURES ( indicates a new feature compared with MSM7660)
Input video signals include the following two types of digital data that are A-to-D converted
at pixel frequency or double pixel frequency :
NTSC/PAL composite video signal
NTSC/PAL S video signal
°
8-bit Y/8-bit C (CbCr) output (conforms to ITU-RBT601)
YCbCr
4 : 2 : 2
YCbC4 : 1 : 1
2-dimensional Y/C separation using adaptive comb filter (this filter is bypassed for S video
signal input)
NTSC: 3 lines/2 lines
PAL: 2 lines (3 virtual lines)
Input signal synchronization can lock synchronization and color burst at high speed through
internal digital processing.
°
Sampling frequency
13.5 MHz (ITU-R601)
12.27 MHz (NTSC Square Pixel)
14.31818 MHz (NTSC 4Fsc)
14.75 MHz (PAL Square Pixel)
Internal AGC/ACC circuit
Switchable between AGC and MGC (fixed gain)
Built-in decimation filter located in the input stage allows easy configuration of an external
filter circuit (located ahead of A/D converter).
Automatic NTSC/PAL recognition (only for ITU-RBT.601)
Sleep mode
Multiplex signal recognition (Teletext)
Data during vertical blanking is output in 8 bits in Through mode.
°
I
2
C-bus interface
3.3 V single power supply (each I/O pin is 5 V tolerable)
Package:
64-pin plastic QFP (QFP64-P-1414-0.80-BK) (Product name: MSM7661GS-BK)
Peimnay
E2F0008-18-31
This version: Mar. 1998
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7662 | NTSC/PAL Digital Video Decoder(NTSC/PAL制式數(shù)字視頻譯碼器) |
| MSM7702-01MS-K | Single Rail CODEC |
| MSM7702 | Single Rail CODEC |
| MSM7702-01 | Single Rail CODEC |
| MSM7702-02 | Single Rail CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7661B | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Decoder |
| MSM7662 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Decoder |
| MSM7664 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Decoder |
| MSM7664TB | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Decoder |
| MSM76H052GS-K | 制造商:ROHM Semiconductor 功能描述: |
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