SAB9077 PDF даташит
Спецификация SAB9077 изготовлена «NXP Semiconductors» и имеет функцию, называемую «Picture-In-Picture PIP controller». |
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Детали детали
Номер произв | SAB9077 |
Описание | Picture-In-Picture PIP controller |
Производители | NXP Semiconductors |
логотип |
32 Pages
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INTEGRATED CIRCUITS
DATA SHEET
SAB9077H
Picture-In-Picture (PIP) controller
Preliminary specification
File under Integrated Circuits, IC02
1996 Aug 07
No Preview Available ! |
Philips Semiconductors
Picture-In-Picture (PIP) controller
Preliminary specification
SAB9077H
FEATURES
Display
• 50/60 Hz PIP modes possible
• Twin PIP in interlaced mode at 8-bit resolution
• Sub-title mode features built in
• Large display fine positioning area, both channels
independent
• Only 2 Mbit needed as external VDRAM
(2 × 1 Mbit or 1 × 2 Mbit)
• Four 8-bit Analog-to-Digital Converters (ADCs; > 7-bit
performance) with clamp circuit
• Most PIP modes handle interlaced pictures without joint
line error
• Two PLLs which generate the line-locked clocks for the
acquisition channels
• Display PLL to generate line-locked clock for the display
• Three 8-bit Digital-to-Analog Converters (DACs)
• 4 : 1 : 1 data format
• Data reduction factors 1 to 1, 1 to 2, 1 to 3 and 1 to 4,
horizontal and vertical independent.
GENERAL DESCRIPTION
The SAB9077H is a picture-in-picture controller for
multi-standard TV-sets. The circuit contains ADCs,
reduction circuitry, memory control, display control and
DACs.
It inserts one or two live video signals with original or
reduced sizes into a live video signal. All video signals are
expected to be analog base band signals. The conversion
into the digital environment and back to the analog
environment is done on chip. Internal clocks are generated
by two acquisition PLLs and a display PLL.
The two PIP channels and a large external memory offer a
wide range of PIP modes. The emphasis is put on single
PIP, double PIP, split-screen mode and many multi-PIP
modes.
I2C-bus programmable
• Single and double PIP modes can be set
• Full field still mode available
• Several aspect ratios can be handled
• Reduction factors can be set freely
• Selection of vertical filtering type
• Freeze of live pictures
• Fine tuned display position, H (8-bit), V (8-bit),
both channels independent
• Fine tuned acquisition area, H (4-bit), V (8-bit),
both channels independent
• Eight main borders, sub-borders and background
colours available
• Border and background brightness adjustable, 30%,
50%, 70% and 100% IRE
• Several type of decoder input signals can be set.
1996 Aug 07
2
No Preview Available ! |
Philips Semiconductors
Picture-In-Picture (PIP) controller
Preliminary specification
SAB9077H
QUICK REFERENCE DATA
SYMBOL
VDD
IDD
fsys
floop
tjitter
ς
PARAMETER
supply voltage
supply current
system frequency
PLL loop bandwidth frequency
PLL short term stability time
PLL damping factor
CONDITIONS
note 1
jitter during 1 line (64 µs)
MIN.
4.5
−
−
4
−
−
TYP.
5.0
200
27
−
−
0.7
MAX. UNIT
5.5 V
− mA
− MHz
− kHz
4 ns
−−
Note
1. The internal system frequency is 1728 times the HSync input frequency for both the acquisition and display PLLs.
ORDERING INFORMATION
TYPE
NUMBER
SAB9077H
NAME
QFP100
PACKAGE
DESCRIPTION
plastic quad flat package; 100 leads (lead length 1.95 mm);
body 14 × 20 × 2.8 mm
VERSION
SOT317-2
1996 Aug 07
3
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