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參數(shù)資料
| 型號： | 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） |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 197K |
| 代理商： | SAA7187 |
Philips Semiconductors
Clock and synchronization signals of SAA7187 and SAA7188
Application note for digital video encoder
May 1994
15
7.2
Video Standard Parameters (61, 70, 60)
7.2.1
Subaddress 60 hex
Table 11. Basic video standard parameters in subaddress 61-hex
BITS IN
SUBADDRESS 61-hex
SHORT NAME
FUNCTION DESCRIPTION
DEFAULT
AFTER RESET
7 6
5
4
3 2
1
0
FISE
field frequency mode select
0
50 Hz, 312.5 lines per field, 5 V-sync serration pulses etc,
(start pre-equalization pulses 310 lines after field start)
864 (CCIR) pixels per line, i.e., 1778 LLC, 13.5 MHz
944 (SQP) pixels per line, i.e., 1888 LLC, 14.75 MHz
FSEQ generates 4 field sequence
1
60 Hz, 262.5 lines per field, 6 V-sync serration pulses etc,
(start pre-equalization pulses 259.5 lines after field start)
858 (CCIR) pixels per line, i.e., 1716 LLC, 13.5 MHz
780 (SQP) pixels per line, i.e., 1560 LLC, 12.27 MHz
FSEQ generates 8 field sequence
1
PAL
switch of subcarrier phase for V-component in alternative lines
0
no color subcarrier phase toggle switch, for NTSC encoding
0
1
PAL-switch, i.e., subcarrier phase switch (
±
45
°
toggle) for V-color
component in alternative lines, for PAL encoding
SCBW
chrominance bandwidth
0
extended chrominance bandwidth, e.g., option for S-video output
1
standard chrominance bandwidth
1
RTCE
Real Time Control enable
0
no Real Time Control applied, standard subcarrier generation, relies on
clock LLC stability
0
1
Real Time Control of subcarrier frequency generation,
RTC connection from appropriate Philips decoder needed
YGS
luminance gain select
0
luminance (black to white) is adjusted to 100 IRE
1
luminance (black to white) is adjusted to 92.5 IRE,
giving room for 7.5 IRE setup, e.g., for NTSC
1
INPI
PAL switch phase
0
nominal (standard) phase of PAL-switch
0
1
opposite to standard, e.g., to adjust pipeline delay in RTC mode
DOWN
analog output (DACs)
0
DACs in normal operation, analog output of encoded video signal
0
1
DACs are switched to lowest output voltage
0
reserved
0
0 0
0
1
0 1
0
1
15 hex
default after reset
0001 0101
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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