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參數(shù)資料
| 型號(hào)： | SAA7187 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital video encoder (DENC2-SQ)(數(shù)字視頻編碼器) |
| 中文描述： | 數(shù)字視頻編碼器（DENC2 -倚）（數(shù)字視頻編碼器） |
| 文件頁(yè)數(shù)： | 16/18頁(yè) |
| 文件大?。?/td> | 197K |
| 代理商： | SAA7187 |
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Philips Semiconductors
Clock and synchronization signals of SAA7187 and SAA7188
Application note for digital video encoder
May 1994
16
7.2.2
Subaddress 70 hex
Table 12. Program for subcarrier phase reset (SC-H) in subaddress 70-hex
BITS IN
SUBADDRESS 70hex
SHORT NAME
FUNCTION DESCRIPTION
7 6
5
4
3 2
1
0
VTRIG
vertical trigger phase offset
x
x
x
x
x
half line number, in which vertical/field trigger input occurs
SBLBN
Vertical Blanking Interval (VBI)
0
blanking is enforced in all lines outside FAL-to-LAL,
(First Active Line to Last Active Line, see subaddress 7B, 7C, and 7D)
1
blanking is only enforced only during equalization and serration (vertical sync) pulses,
i.e., 9 (60Hz) or 7.5 (50Hz) lines, signal insertion a/o encoding also outside FAL-to-LAL,
e.g., data, time code or test signal insertion in regular VBI
PHRES
color subcarrier reset mode, to support SC-H coupling
0 0
continuously running color subcarrier oscillation, e.g., for remote genlock RTC mode
0 1
color subcarrier phase reset every second line
1 0
color subcarrier phase reset every eighth field (PAL)
1 1
color subcarrier phase reset every fourth field (NTSC)
7.2.3
Subaddress 60 hex
Table 13. Program for cross color reduction in analog CVBS-out under subaddress 60-hex
BITS IN
SUBADDRESS 60hex
SHORT NAME
FUNCTION DESCRIPTION
7 6
5
4
3 2
1
0
0
0
0 0
0
0
reserved
CCRS
Cross Color Reduction, reducing cross talk from luminance into chrominance as support for
the testination receiver / decoder filter are active only from FAL-to-LAL, i.e., active video
0 0
standard CVBS, straight addition of luminance and chrominance signals
0 1
notch filter at 4.5 Mhz in luminance signal before adding chrominance,
e.g., for PAL color subcarrier or NTSC sound carrier
1 0
notch filter at 3.3 Mhz in luminance signal before adding chrominance, wide and deep,
e.g., for NTSC color subcarrier
1 1
notch filter at 3.3 Mhz in luminance signal before adding chrominance, more narrow than
other one, e.g., for NTSC color subcarrier
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA7188A | Digital Video Encoder (DENC2-M)(數(shù)字視頻編碼器(DENC2-M)) |
| SAA7201 | Integrated MPEG2 AVG Decoder(綜合MPEG音頻視頻圖表譯碼器) |
| SAA7201H | Integrated MPEG2 AVG decoder |
| SAA7212 | Integrated MPEG2 AVG Decoder(綜合MPEG音頻視頻圖表譯碼器) |
| SAA7212H | Integrated MPEG AVG decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7187WP | 制造商:NXP Semiconductors 功能描述: |
| SAA7188 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M |
| SAA7188A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Video Encoder DENC2-M |
| SAA7188AWP | 制造商:NXP Semiconductors 功能描述:COLOR SIGNAL ENCODER, PQCC68 |
| SAA7191B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Multistandard Colour Decoder, Square Pixel DMSD-SQP |
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