參數(shù)資料
型號: 935262601518
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL ENCODER, PQFP44
封裝: PLASTIC, SOT-307, QFP-44
文件頁數(shù): 53/59頁
文件大?。?/td> 232K
代理商: 935262601518
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SAA7128H;
SAA7129H
SAA7128H;
SAA7129H
Information as of 2000-08-23
SAA7128H; SAA7129H; Digital video encoder
The SAA7128H; SAA7129H encodes digital C
B-Y-CR video data to an NTSC, PAL or SECAM CVBS or S-video signal. Simultaneously,
RGB or bypassed but interpolated C
B-Y-CR signals are available via three additional DACs. The circuit at a 54 MHz multiplexed digital D1
input port accepts two ITU-R BT.656 compatible C
B-Y-CR data streams with 720 active pixels per line in 4:2:2 multiplexed formats, for
example MPEG decoded data with overlay and MPEG decoded data without overlay, whereas one data stream is latched at the rising, the
other one at the falling clock edge.
It includes a sync/clock generator and on-chip DACs.
l
Monolithic CMOS 3.3 V device, 5 V IC-bus optional
l
Digital PAL/NTSC/SECAM encoder
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System pixel frequency 13.5 MHz
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54 MHz double-speed multiplexed D1 interface capable of splitting data into two separate channels (encoded and baseband)
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Three Digital-to-Analog Converters (DACs) for CVBS (CSYNC), VBS (CVBS) and C (CVBS) two times oversampled with 10-bit
resolution (signals in brackets optional)
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Three DACs for RED (C
R), GREEN (Y) and BLUE (CB) two times oversampled with 9-bit resolution (signals in brackets optional)
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Alternatively, an advanced composite sync is available on the CVBS output for RGB display centring
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Real-time control of subcarrier
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Cross-colour reduction filter
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Closed captioning encoding and World Standard Teletext (WST) and North-American Broadcast Text System (NABTS) teletext
encoding including sequencer and filter
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Copy Generation Management System (CGMS) encoding (CGMS described by standard CPR-1204 of EIAJ); 20 bits in lines 20/283
(NTSC) can be loaded via IC-bus
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