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參數(shù)資料
| 型號： | SAB9082H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 畫面疊加 |
| 英文描述： | Circular Connector; No. of Contacts:37; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-35 |
| 中文描述： | PICTURE-IN-PICTURE IC, PQFP100 |
| 封裝： | 14 X 20 X 2.80 MM, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 10/24頁 |
| 文件大小： | 102K |
| 代理商： | SAB9082H |
1999 Nov 12
10
Philips Semiconductors
Preliminary specification
NTSC Picture-In-Picture (PIP) controller
SAB9082
MPIPON (
DOUBLE WINDOW
)
Bit MPIPON is used to switch the main channel PIP on
(logic 1) or off (logic 0).
SPIPON
Bit SPIPON is used to switch the subchannel PIPs on
(logic 1) or off (logic 0).
P
RIO
TheprioritybitdecideswhetherthemainchannelPIP(Prio
set to logic 0) or the subchannel PIP (Prio set to logic 1)
will be on top when both PIPs overlap.
S1FLD
If S1FLD is set to logic 0, two fields are used for the live
PIP. When a 50/60 Hz or a 60/50 Hz mode is detected, the
SAB9082 automatically switches to the 1-Field mode
(1-Field resolution vertically).
If S1FLD is set to logic 1, only one field is used. This
causes joint line errors but saves memory. This bit should
not be set in normal modes.
SF
REEZE
With SFreeze set to logic 1, the current live subchannel
PIP will be frozen. If set to logic 0, it is unfrozen.
A
LG
O
FF
In double window mode, precautions are taken to prevent
a joint line error. Under some conditions, this feature
should be switched off. This can be realized by setting this
bit to logic 1. Normally, bit AlgOff should be set to logic 0.
DN
ONINT
Innormalmode(thisbitislogic 0),theSAB9082calculates
whether a signal is non-interlaced and reacts accordingly.
With bit DNonint set to logic 1, the display channel is
forced into the non-interlaced mode. In the non-interlaced
mode, only one field is used during the processing of the
PIPs.
P
IP
M
ODE
Byte PipMode determines the PIP modes for the SAB9082
are shown in Table 2.
Table 2
PIP modes
SHR
ED AND
SVR
ED
(
DOUBLE WINDOW
)
Bits SHRed<5:0> and SVRed<6:0> determine the
reduction factors in the double window mode.
The horizontal reduction is equal to SHRed/96; the vertical
reduction is equal to SVRed/96. SHRed should lie in the
range from 0 to 48; if set to logic 0, the PIP is off. SVRed
should lie in the range from 0 to 96; if set to logic 0, the PIP
is off.
When the horizontal reduction factor is 48/96,
704 samples are processed. The horizontal reduction
factor is linear; therefore, when it is 24/96, 352 samples
are processed. The same holds for the vertical reduction
factor but then with the number of lines. For NTSC, the
number of processed lines can be calculated from
SVRed/96
×
228 lines.
SHR
ED AND
SVR
ED
(
REPLAY
)
In the replay mode, the range of SHRed and SVRed is
limited as follows: SHRed = 12; SVRed = 24, 16 or 12.
This leads to a fixed horizontal reduction factor of
1
8
; and
to a variable vertical reduction factor of
1
4
,
1
6
or
1
8
. Note
that the resulting replay PIP can be expanded by using
SHBlow and/or SVBlow.
SHP
IC AND
SVP
IC
(
MULTISTANDARD
PIP
MODES
)
Bytes SHPic and SVPic control the picture size in the
multistandard PIP modes. The horizontal range is
256 steps of four 28 MHz clock periods. The vertical range
is 256 steps of one line/field.
In the double window and replay modes, the picture size is
determined by the reduction factors (SHRed and SVRed)
and bits HBlow and VBlow.
PipMode<2:0>
MODE
000
001
010
011
100
111
double window mode
replay PIP
multistandard PIP 3
multistandard PIP 6
reserved
multistandard PIP 6 split
相關PDF資料 |
PDF描述 |
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| SAB9083 | Circular Connector; No. of Contacts:37; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-35 |
| SAB9083H | Circular Connector; No. of Contacts:37; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-35 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAB9083 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard Picture-In-Picture PIP controller |
| SAB9083H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard Picture-In-Picture PIP controller |
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