參數(shù)資料
型號(hào)： SAA4998H
廠商： NXP Semiconductors N.V.
英文描述： Field and line rate converter with noise reduction and embedded memory
中文描述： 場(chǎng)和符合降噪和嵌入式存儲(chǔ)器率轉(zhuǎn)換器
文件頁(yè)數(shù)： 27/39頁(yè)
文件大?。?/td> 175K
代理商： SAA4998H
2
2
P
P
F
r
S
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LeastErrSum
0A9
read; F
X X X X X X X X least error sum (summation over a field period of the smallest match
error that the estimator has found for each block: indicates reliability of
the estimation process)
X X X X X X X X Y vector range error count (number of vectors that have a vertical
component that is out of range for upconversion at the chosen
temporal position) (15 to 8)
X X X X X X X X Y vector range error count (7 to 0)
X X X X X X X X read out of [number of input (run-) lines
40] used in previous field
X X X X X X X X Write of [number of input (run-) lines
40] to be used in new field
(actual maximum number of input lines in normal operation: 292;
register value 252). Nominally this is to be set as an exact copy of the
value read from RefLineCountPrev before a new field starts. In case
the effective number of input (run-) lines has increased,
RefLineCountNew should, for one field, be set to 255. This will occur
e.g. with decreasing vertical zoom magnification or changing from
525 lines video standard to 625 lines standard. If this is not done, a
deadlock will occur with too few lines processed correctly by the
motion estimator.
X X X X X X X X pan-zoom vector 0 (8-bit X value)
YvecRangeErrCntmsb
0AA
read; F
YvecRangeErrCntlsb
RefLineCountPrev
RefLineCountNew
0AB
0AC
0AD
read; F
read; F
write; F
PanZoomVec0-X
PanZoomVec0-Y
FalconIdent
0B0
0B1
read; F
read
S
0
SAA4998H identification: fixed bit, reading this bit as zero means
SAA4998H is present
X X X X X X X pan-zoom vector 0 (7-bit Y value)
X X X X X X X X pan-zoom vector 1 (8-bit X value)
PanZoomVec0-Y
PanZoomVec1-X
PanZoomVec1-Y
StatusJump0
F
0B2
0B3
read; F
read
S
X
1
: both field memories are in use by the motion estimation and motion
compensation function; see Fig.1
0
: field memory 2 is in use by the motion estimation and motion
compensation function; field memory 3 for PIP application; see Fig.1
X X X X X X X pan-zoom vector 1 (7-bit Y value)
X X X X X X X X pan-zoom vector 2 (8-bit X value)
PanZoomVec1-Y
PanZoomVec2-X
PanZoomVec2-Y
StatusJump1
PanZoomVec2-Y
F
0B4
0B5
read; F
read
S
F
1
logic 1
X X X X X X X pan-zoom vector 2 (7-bit Y value)
NAME
SNERT
ADDRESS
(HEX)
READ/
WRITE
(1)
7
6
5
4
3
2
1
0
DESCRIPTION
(2)
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