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PDF M65727FP Data sheet ( Hoja de datos )
| Número de pieza | M65727FP | |
| Descripción | MPEG2 MOTION ESTIMATION LSI | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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DISTRIBUTION RESTRICTED. COPYRIGHT RESERVED 1995
Specifications (Ver. 2.0)
MPEG2 MOTION ESTIMATION LSI (M65727FP)
December 1, 1995
Mitsubishi Electric Corporation
CONTACT MITSUBISHI ELECTRONICS REGARDING DISTRIBUTION
1
1 page  
DISTRIBUTION RESTRICTED. COPYRIGHT RESERVED 1995
Frame Mode (per frame)
*Block size
16x16 and 16x8 (Top*), 16x8 (Bottom**) simultaneously
*Search range
Vertical direction: ±7.5(*A) / ±15.5 pixel (Switchable)
It corresponds to 2 sets of fields each ±3.5 pixel / ±7.5 pixel location for
16x8 blocks.
However, ±8.0(*A) / ±16.0 are used during expansion respectively
Horizontal direction: ±7.5 / ±15.5 / ±31.5 / ±63.5 / ±127.5 pixel
(Selectable)
*Search methods Integer-pel precision exhaustive search
Half-pel precision 9 points around the best integer-pel precision vector
(Including the integer precision location)
*Evaluation function Full sampled mean absolute error
*Execution cycle Depends on the search range
The execution cycle mentioned here refers to the throw-in period of MB,
not the 1MB processing time.
ex. 1 (Horizontal ±7.5, vertical ±7.5) (550) cycles/ ΜΒ
ex. 2 (Horizontal ±15.5, vertical ±7.5) (550) ∗2 cycles / ΜΒ
ex. 3 (Horizontal ±7.5, vertical ±15.5) (806) cycles / ΜΒ
ex. 4 (Horizontal ±15.5, vertical ±15.5) (806) ∗2 cycles / ΜΒ
∗Search window image inputs
When vertical ±7.5 is searched: 512 pixels / (550) cycles
When vertical ±15.5 is searched: 768 pixels / (806) cycles
*Processing capability
27MHz operation: Processing the search range over horizontal ±7.5 and
vertical ±7.5 for the ITU-R 601 image size is possible.
40MHz operation: Processing the search range over horizontal ±7.5 and
vertical ±15.5 for the ITU-R 601 image size is possible.
*, **: "Top" and "Bottom" mentioned here indicate the field parities. In the
following explanation, a frame with the top field side as the first line is assumed.
*A: The mode of vertical search range is ±7.5 can be used only under 27MHz
operation.
CONTACT MITSUBISHI ELECTRONICS REGARDING DISTRIBUTION
5
5 Page 
DISTRIBUTION RESTRICTED. COPYRIGHT RESERVED 1995
The above control signals are inputted within one execution cycle in the
prearranged sequence by assuming DSYNC repeatedly. The control information
are used at the next execution cycle.
2.2.5 Others
TEST
VDD
GND
Used for testing the M65727 and is not released to users.
Power supply pin
Grounding pin
CONTACT MITSUBISHI ELECTRONICS REGARDING DISTRIBUTION
11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet M65727FP.PDF ] | |
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