SAA4992H Datasheet, PDF (21/36 Pages) NXP Semiconductors – Field and line rate converter with noise reduction

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NAME
Upconv3
MelzLfbm
Melzmemc
MelDeint
MixCtrl
UpcColShiFac
Motion estimator
Motest1
PenOdd
SpcThr
BmsThr
SNERT
ADDRESS
HEX
READ/
WRITE⁽¹⁾
7
6
5
4
3
2
1
0
DESCRIPTION⁽²⁾
02B
write; S
X SAA4991WP type local fallback method instead of more robust local
fallback (complex or SAA4991WP type fallback)
X SAA4991WP film mode memory control (normal or SAA4991WP
type); should be set in SAA4991WP film mode to ensure that only
original lines are selected as output when UpcShFac is 0 or 32
X
use (as in SAA4991WP) horizontal motion compensated median for
upconverter de-interlacing (normal or SAA4991WP type
de-interlacing)
XXX
Upconverter sensitivity:
0 to 3: smoothness dependent weighting between vector shifted
pixels and static pixels. 0 = sensitive to unsmoothness for taking more
of the static pixels ‘conservative’, up to 3 = hardly sensitive to
unsmoothness for taking more of static pixels ‘confident in vector
shifting’.
4 to 7: static weighting between vector shifted pixels and static pixels.
4 = take most of vector shifted pixels ‘confident in vector shifting’, up to
7 = take most of the static pixels ‘conservative’.
0C4
write; F
X X X X X X temporal interpolation factor used in chrominance upconverter; value
ranges from 0 (for current field position) to 32 (for previous field
position)
02C
write; S
X X X additional penalty on vector candidates with odd vertical component
(0, 8, 16, 32, 64, 128, 256 or 511)
XXX
Active when EstMode = 0; replace the spatial prediction of one
estimator (left or right) by that of the other if the match error of the
former exceeds that of the latter by more than (0, 8, 16, 32, 64, 128,
256 or 511). A higher threshold means the two estimators are very
independent.
XX
Active when EstMode = 0; select as estimated vector the output of the
right estimator unless its match error exceeds that of the left estimator
by more than (0, 8, 16 or 32). This parameter should normally be set
to logic 0.