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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） |
| 文件頁數(shù)： | 13/18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
13
7.0
APPENDIX: SOME PROGRAMMING TABLES
7.1
Synchronization Signals (6C, 6D, 70)
7.1.1
Subaddress 6C hex
Table 8. Program for RCV1 and RCV2 function at pin 6 and pin 7 in subaddress 6C-hex
BITS IN
SUBADDRESS 6Chex
SHORT NAME
FUNCTION DESCRIPTION
DEFAULT
AFTER RESET
7 6
5
4
3 2
1
0
PRCV2
0
RCV2 is active high, rising edge is timing reference
0
1
RCV2 is active low, falling edge is timing reference
SRVC2
CBLF & ORCV2
0
0
RCV2 is input, has no input data gating function,
but can be used for horizontal re-trigger, see TRCV2
00
0
1
RCV2 is output, horizontal (timing) reference signal in all lines,
begin and end freely programmable by BRCV and ERCV
1
0
RCV2 is input, and has input data gating function,
can also be used for horizontal re-trigger, see TRCV2
1
1
RCV2 is output, can be used as external composite blanking signal,
horizontal begin and end defined by BRCV and ERCV,
vertial first active line defined by FAL,
first inactive line defined by LAL (FAL – LAL, then all lines active).
PRCV1
0
RCV1 is active high, rising edge is timing reference
0
1
RCV1 is active low, falling edge is timing reference
ORCV1
0
RCV1 is input
0
1
RCV1 is input
TRCV2
0
Horizontal re-trigger by RCV1, RCV1 must be input
0
1
Horizontal re-trigger by RCV2, RCV2 must be input
SRCV1
0 0
VS (vertical sync), every field
00
0 1
FS (frame sync), odd_/even
1 0
FSEQ color field sequence indication
1 1
n.a.; don’t use this combination
0 0
0
0
0 0
0
0
00 hex
default after reset
IC is prepared to accept an odd/_even signal at RCV1
(rising edge at begin of first field)
0000 0000
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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