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參數(shù)資料
| 型號： | SAB9076H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 畫面疊加 |
| 英文描述： | Circular Connector; No. of Contacts:10; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:12-98 |
| 中文描述： | PICTURE-IN-PICTURE IC, PQFP100 |
| 封裝： | PLASTIC, SOT-317-2, QFP-100 |
| 文件頁數(shù)： | 20/32頁 |
| 文件大?。?/td> | 235K |
| 代理商： | SAB9076H |
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1996 Aug 13
20
Philips Semiconductors
Preliminary specification
Picture-In-Picture (PIP) controller
SAB9076H
SA 21H
AND
SA 2AH H
ORIZONTAL
R
EPETITION
O
FFSET
REGISTERS FOR ROW
0
TO
3
The horizontal repetition offsets (MHRPO and SHRPO
bits) are strongly related to the horizontal distance (MHDIS
and SHDIS bits). These registers set for each row a certain
grid of possible starting points for the PIPS in that row.
Every grid point has a number 0 (the most left PIP), 1, 2 or
3. The MHRPO and SHRPO bits determine the first PIP
number which will be displayed. This mechanism can be
set for each row.
SA 22H
AND
SA 2BH H
ORIZONTAL
R
EPETITION
N
UMBER
REGISTERS FOR ROW
0
TO
3
The horizontal repetition numbers (MHRPN and SHRPN
bits) determine how many times the PIPs are repeated in
a row, once the first PIP is displayed. The repeated PIPs
stay in the grid determined by the MHDIS and SHDIS bits
for that row. This mechanism can be set for each row
independent.
SA 23H
AND
SA 24H; SA 2CH
AND
SA 2DH P
ICTURE SIZE
REGISTERS
The MHPIC and SHPIC bits determine the horizontal PIP
size in 256 steps of 4 pixels. The MVPIC and SVPIC bits
determine the vertical PIP size in 256 steps of 1 line.
SA 25H
AND
SA 29H; SA 2EH
AND
SA 32H P
ICTURE
D
ISTANCE REGISTERS
For each row the distance between starting points of PIPs
can be set with the bits MHDIS and SHDIS in 256 steps of
4 pixels. The distance between two rows can be set with
the MVDIS and SVDIS bits in 256 steps of 1 line.
Acquisition Channel ADCs
Both channels convert the analog input signals to digital
signals by means of two ADCs for each channel. The input
levels of the ADCs of each channel are equal and can be
set by the AV
refT
and AV
refB
pins.
The reference levels are made internally by a resistor
network which divides the analog supply voltage to a
default set of preferred levels. External capacitors are
needed to filter AC components on the reference levels.
The resolution of the ADCs is 8 bit. Differential
Non-Linearity (DNL) is 7-bit; Integral Non-Linearity (INL) is
6-bit, and the sampling is carried out at the system
frequency of 27 MHz for the Y input. The U/V inputs are
multiplexed and sampled at 13.5 MHz. The analog input
signals are amplified to make maximum use of the
dynamic range of the ADCs. A bias voltage V
bias
is used
for decoupling AC components on internal references. The
inputs should be AC-coupled and an internal clamping
circuit will clamp the input to AV
refB
for the luminance
AV
AV
–
2
channels and to
for the
chrominance channels. The clamping starts at the active
edge of the burst key.
Output DACs
The digitally processed signals are converted to analog
signals by three 8-bit DACs. The output voltages of these
DACs are default set by the DAV
refT
pin for the top level
and DAV
refB
pin for the bottom level. Default values are
1.5 V.
External Memory
For the external memory two VDRAMs of type Mitsubishi
M5M442256 are used. They have a storage capacity of
262 144 words of 4-bit each and will be used in parallel.
It is also possible to use a 2 Mbit VDRAM with a storage
capacity of 262 144 words of 8 bit each. An overview of the
timing diagrams is given in Fig.9.
-----------------------------------------
2
LSB
+
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAB9077 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series II; Body Material:Metal; Series:JT; No. of Contacts:10; Connector Shell Size:12; Connecting Termination:Crimp; Circular Shell Style:Box Mount Receptacle; Body Style:Straight RoHS Compliant: No |
| SAB9077H | Circular Connector; No. of Contacts:10; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:12-98 |
| SAB9079 | Circular Connector; No. of Contacts:15; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-15 |
| SAB9079HS | Circular Connector; No. of Contacts:15; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-15 |
| SAB9080 | Circular Connector; No. of Contacts:18; Series:JT02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:14; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:14-18 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAB9077 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Picture-In-Picture PIP controller |
| SAB9077H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Picture-In-Picture PIP controller |
| SAB9077HB-S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Picture-in-Picture Circuit |
| SAB9079 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multistandard Picture-In-Picture PIP controller |
| SAB9079HS | 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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