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參數(shù)資料
| 型號： | MSM7652 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | NTSC/PAL Digital Encoder(NTSC/PAL制式數(shù)字編碼器) |
| 中文描述： | NTSC / PAL數(shù)字編碼器（的NTSC / PAL制式數(shù)字編碼器） |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 306K |
| 代理商： | MSM7652 |
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Semiconductor
MSM7652
1
NTSC/PAL Digital Video Encoder
GENERAL DESCRIPTION
The MSM7652 is a digital NTSC/PAL encoder. By inputting digital image data conforming to
ITU Rec. 656 or ITURBT 601, it outputs selected analog composite video signals, analog S video
signals or Y, R-Y, B-Y signals. For the scanning system, interlaced or noninterlaced mode can be
selected.
Since the MSM7652 is provided with pins dedicated to overlay function, text and graphics can
be superimposed on a video signal.
In addition, this encoder has an internal 10-bit DAC. So, when compared with using a conventional
analog encoder, the number of components, the board space, and points of adjustment can
greatly be reduced, thereby realizing a low cost and high-accuracy system.
The MSM7652 provides the optional functions such as Closed Caption Signal Generation
Function.
The host interface provided conforms to Philips's I
2
C specifications, which reduces
interconnections between this encoder and mounting components.
The internal synchronization signal generator (SSG) allows the MSM7652 to operate in master
mode.
FEATURES
Video signal system: NTSC/PAL
Scanning system: interlaced/noninterlaced (NTSC : 262 lines/PAL : 312 lines)
Input digital level: conforms to ITU-R601 (CCIR601)
Input-output timing: conforms to ITU Rec. 656 or ITURBT 624-4
Input signal sampling ratio : Y:Cb:Cr = 4:2:2
Supported input formats
·
ITU Rec. 656
·
YCbCr 27 MHz format (8-bit input)
·
ITU-R601 13.5 MHz (8-bit (Y) + 8-bit (CbCr) input)
Output video signals
·
NTSC/PAL composite video signals and S video signals
·
Y, R-Y, B-Y analog signals (selectable)
Sampling frequency : 27 MHz
Internal SSG circuit (Can operate as a master in other operation modes than CCIR Rec. 656
mode)
Internal 3ch 10-bit DAC
3-bit title graphics can be displayed
Color bar function
I
2
C-bus host interface function
3.3 V single power supply (each I/O pin is 5 V tolerable)
Closed caption function
Package
56-pin plastic QFP (QFP56-P-910-0.65-2K)
(Product name: MSM7652GS-2K)
Peimnay
This version: Jun. 1998
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7653 | NTSC/PAL Digital Encoder(NTSC/PAL制式數(shù)字編碼器) |
| MSM7660 | Digital Video Decoder (NTSC/PAL Compatible)(與NTSC/PAL制式兼容的數(shù)字視頻譯碼器) |
| MSM7704-02GS-K | 2ch Single Rail CODEC |
| MSM7704 | 2ch Single Rail CODEC |
| MSM7704-01 | 2ch Single Rail CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7653 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Encoder |
| MSM7653GS-2K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Encoder |
| MSM7654 | 制造商:ROHM Semiconductor 功能描述: |
| MSM7654GA | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:NTSC/PAL Digital Video Encoder |
| MSM7660 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Digital Video Decoder (NTSC/PAL Compatible) |
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