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參數資料
| 型號： | SAA7187 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital video encoder (DENC2-SQ)(數字視頻編碼器) |
| 中文描述： | 數字視頻編碼器（DENC2 -倚）（數字視頻編碼器） |
| 文件頁數： | 5/18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
5
3.1.3
Pin 6 RCV1 can assume output as well as
input function and carries field synchronizing
raster control information. Via two SRCV1x
bits, PRCV1 bit and ORCV1 bit in
subaddress 6Chex one of three types of field
sync signals can be determined for RCV1
output.
Pin 6 as Output:
RCV1
Table 3. Selection of RCV1 output signal function on pin 6
F = relevant function, x = other function/signal definition, – = don’t care
BITS UNDER
SUBADDRESS 6Ch
BITS UNDER
SUBADDRESS 61h
SHORT NAME
FUNCTION
RESULTING SIGNAL
7 6
5
4
3
2
1
0
7 6
5
4
3
2
1
0
–
x
x
x
x
x
x
F
FISE
select field frequency (V-pulse sequence)
select number of clocks/line (defines FSEQ as 4 or 8 field se-
quence)
x
x
x
x
F
x
x
x
PRCV1
Select RCV1 signal polarity
x
x
x
F
x
x
x
x
ORCV1
Input or Output of RCV1 signal
F F
x
x
x
x
x
x
SRCV1
Select RCV1 signal function
x
x
0
x
–
input
RCV1 is input, see Table 6
0 0
1
0
0
VS 50Hz
Active
high
for
2.5
lines at begin of every field
0 0
1
1
0
VS 50Hz
Active
low
for
2.5
lines at begin of every field
0 0
1
0
1
VS 60Hz
Active
high
for
3
lines at begin of every field
0 0
1
1
1
VS 60Hz
Active
low
for
3
lines at begin of every field
0 1
1
0
0
FS 50Hz
Low
in first (
odd
) field,
312.5
lines
High in second (even) field, 312.5 lines
0 1
1
1
0
FS 50Hz
High
in first (
odd
) field,
312.5
lines
Low in second (even) field, 312.5 lines
0 1
1
0
1
FS 60Hz
Low
in first (
odd
) field,
262.5
lines
High in second (even) field, 262.5 lines
0 1
1
1
1
FS 60Hz
High
in first (
odd
) field,
262.5
lines
Low in second (even) field, 262.5 lines
1 0
1
0
0
FSEQ 50Hz
High
in the
first
field of
8
field sequence
1 0
1
1
0
FSEQ 50Hz
Low
in the
first
field of
8
field sequence
1 0
1
0
1
FSEQ 60Hz
High
in the
first
field of
4
field sequence
1 0
1
1
1
FSEQ 60Hz
Low
in the
first
field of
4
field sequence
1 1
–
–
x
n.a.
reserved, do not use
相關PDF資料 |
PDF描述 |
|---|---|
| SAA7188A | Digital Video Encoder (DENC2-M)(數字視頻編碼器(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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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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