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參數(shù)資料
| 型號： | SDA9400 |
| 廠商： | MICRONAS SEMICONDUCTOR HOLDING AG |
| 英文描述： | Scan Rate Converter using Embedded DRAM Technology Units |
| 中文描述： | 掃描頻率轉換器采用嵌入式DRAM技術股 |
| 文件頁數(shù)： | 31/94頁 |
| 文件大?。?/td> | 1180K |
| 代理商： | SDA9400 |
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SDA 9400
Micronas
31
Preliminary Data Sheet
The motion detection calculates two field difference signals and one frame difference signal. The
sensitivity of the field difference can be changed by the parameter SVALFI, and the sensitivity of the
frame difference can be changed by the parameter SVALFR.
Parameter SVALFI and SVALFR
The output values of the field and frame difference blocks are mapped to 1 bit signals by three look
up tables. The thresholds of the look up tables are programmable. THFI3, THFI2, THFI1, THFI0
control both look up tables for the field differences LUTFI. THFR3, THFR2, THFR1, THFR0 control
the look up table for the frame difference LUTFR. The thresholds are selected by the corresponding
line difference signals LDACT and LDDEL, respectively as described before.
Parameter THFI3, THFI2, THFI1, THFI0
Parameter THFR3, THFR2, THFR1, THFR0
The output of the look up table LUTFI FID1, the output of the LUTFR FRD, the output of the
threshold FID3 and the output of the threshold FRD3 are fed to a multiplexer. The output of the
multiplexer is fed to the global motion detection block. The multiplexer can be switched using the I2C
bus parameter SWGM. The output of the threshold FID3 is in addition fed to the movie mode and
phase detection block (see also
Global motion, movie mode and phase detection
on page 33). The
FID3 and FRD3 signal are also one bit signals. Both signals are independent of the parameters
described up to now. The FID3 signal depends only on the threshold THRMOV and the FRD3 signal
depends only on the threshold THRGM. So it is possible to optimise the movie mode and global
Parameter
0 (minimum value)
3 (maximum value)
SVALFI,
SVALFR
maximum sensitivity field/frame
difference
minimum sensitivity field/frame
difference
0...THFI0-1
THFI0...15
0...THFI1-1
THFI1...31
0...THFI2-1
THFI2...31
0...THFI3-1
THFI3...31
0
1
2
3
1
0
2
1
LUTFI
field difference
line difference
out
THFI0
THFI1
THFI2
THFI3 (I2C bus)
4
5
5
5
m
0...THFR0-1
THFR0...15
0...THFR1-1
THFR1...15
0...THFR2-1
THFR2...31
0...THFR3-1
THFR3...31
0
1
2
3
1
0
2
1
LUTFR
frame difference
line difference
out
THFR0
THFR1
THFR2
THFR3 (I2C bus)
4
4
5
5
m
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| SDA9488X | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Cost-effective Picture-In-Picture ICs |
| SDA9489X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PIP IV Advanced SOPHISTICUS High-End Picture-In-Picture ICs |
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