PNX1701EH,557 NXP Semiconductors, PNX1701EH,557 Datasheet - Page 584
PNX1701EH,557
Manufacturer Part Number
PNX1701EH,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1701EH557.pdf
(832 pages)
Specifications of PNX1701EH,557
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
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1. Introduction
1.
The current MBS implementation can not perform film-mode detection.
Memory-based scaling is done independent of any video clocks by reading the video
data from memory and writing the scaled pictures back to the memory. A single
scaler can therefore be used to scale more than one video stream.
The memory-based scaler can perform the following operations:
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Chapter 19: Memory Based Scaler
PNX17xx Series Data Book – Volume 1 of 1
Rev. 1 — 17 March 2006
Vertical and horizontal scaling
–
De-interlacing
–
–
–
–
Anti-flicker filtering
Conversions between 4:2:0, 4:2:2 and 4:4:4
Indexed to true color conversion
Color expansion/compression (different quantizations for color components, e.g.,
RGB565 -> RGB32)
Deplanarization/planarization
Variable color space conversion with programmable matrix coefficients (mutually
exclusive with horizontal scaling)
Color-key and alpha processing
–
–
Linear and non-linear aspect-ratio conversion
Simple median
Majority-selection (median filtering with previous field, spatial temporal
average of 2 fields, same position from next or previous field depending on
whether three or two field majority selection) [Note: majority selection is done
on luma only]
Field insertion
straightforward but doable with programming tricks
Edge-Dependent De-interlacing (EDDI) --- a post-processing step done only
on luma
Conversion between color-key and alpha
Alpha scaling
1
and line doubling ( i.e. , repeating the same line twice). ... not
Preliminary data sheet
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