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| 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(zhuǎn)換器采用嵌入式DRAM技術(shù)股 |
| 文件頁數(shù)： | 33/94頁 |
| 文件大小： | 1180K |
| 代理商： | SDA9400 |
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SDA 9400
Micronas
33
Preliminary Data Sheet
Input write parameter
The postprocessing block has the task to delete isolated groups of set motion flags (erosion) and to
homogenize the motion areas in horizontal and vertical direction that correspond to a moving object
(extension, smearing). The table below shows the several parameters in sequence. They can be
switched off (1) or on (0). It is recommended to enable all parameters.
Input write parameter
6.3.7
Global motion, movie mode and phase detection
The global motion detection is used to generate a global motion value GMOTION. GMOTION is a
one bit signal and can be read out by the I2C-bus. GMOTION equal zero means, the complete
picture is still, GMOTION equal one means, there is motion in the picture. This value can also be
used internal to switch between different scan rate conversion algorithms (see also
Output sync
controller (OSC)
on page 40).
Furthermore a movie mode (MOVMO) and phase (MOVPH) detector is included. MOVMO and
MOVPH are one bit signals and can be read out by I2C-bus or can be used internal to influence the
motion detection for scan rate conversion as well as the scan rate conversion itself (see also
Output
sync controller (OSC)
on page 40). The diagram below shows the block diagram of the global
motion, movie mode and phase detection algorithm.
1X
1X
0
0
1
FRD
0
FRD + FID1 + FID2
Parameter
Subaddress
Description
AMMON
1Ch
Automatic movie mode for the motion detection for scan
rate conversion
Frame or field based motion value for scan rate conver-
sion
FRAFION
1Ch
Parameter
Subaddress
Description
HPE1OFF
VLEROFF
HPS1OFF
HPE2OFF
HPEXOFF
VLEXOFF
21h
22h
23h
24h
25h
26h
Horizontal pixel erosion 1
Vertical line erosion
Horizontal pixel smearing 1
Horizontal pixel erosion 2
Horizontal pixel extension
Vertical line extension
AMMON
MOVMO
FRAFION
mval
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