SAA7118 PDF даташит
Спецификация SAA7118 изготовлена «NXP Semiconductors» и имеет функцию, называемую «Multistandard video decoder with adaptive comb filter and component video input». |
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Детали детали
Номер произв | SAA7118 |
Описание | Multistandard video decoder with adaptive comb filter and component video input |
Производители | NXP Semiconductors |
логотип |
70 Pages
No Preview Available ! |
INTEGRATED CIRCUITS
DATA SHEET
SAA7118
Multistandard video decoder with
adaptive comb filter and component
video input
Preliminary specification
Supersedes data of 2000 Nov 27
File under Integrated Circuits, IC22
2001 May 30
No Preview Available ! |
Philips Semiconductors
Multistandard video decoder with adaptive
comb filter and component video input
Preliminary specification
SAA7118
CONTENTS
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2
3
4
5
6
7
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
10
10.1
10.2
FEATURES
Video acquisition/clock
Video decoder
Component video processing
Video scaler
Vertical Blanking Interval (VBI) data decoder
and slicer
Audio clock generation
Digital I/O interfaces
Miscellaneous
APPLICATIONS
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Decoder
Component video processing
Decoder output formatter
Scaler
VBI-data decoder and capture
(subaddresses 40H to 7FH)
Image port output formatter
(subaddresses 84H to 87H)
Audio clock generation
(subaddresses 30H to 3FH)
INPUT/OUTPUT INTERFACES AND PORTS
Analog terminals
Audio clock signals
Clock and real-time synchronization signals
Interrupt handling
Video expansion port (X-port)
Image port (I-port)
Host port for 16-bit extension of video data I/O
(H-port)
Basic input and output timing diagrams I-port
and X-port
BOUNDARY SCAN TEST
Initialization of boundary scan circuit
Device identification codes
11
12
13
14
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
16
16.1
16.2
16.3
16.4
16.5
17
18
18.1
18.2
18.3
18.4
18.5
19
20
21
22
LIMITING VALUES
THERMAL CHARACTERISTICS
CHARACTERISTICS
APPLICATION INFORMATION
I2C-BUS DESCRIPTION
I2C-bus format
I2C-bus details
Programming register RGB/Y-PB-PR
component input processing
Interrupt mask registers
Programming register audio clock generation
Programming register VBI-data slicer
Programming register interfaces and scaler
part
PROGRAMMING START SET-UP
Decoder part
Component video part and interrupt mask
Audio clock generation part
Data slicer and data type control part
Scaler and interfaces
PACKAGE OUTLINES
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DATA SHEET STATUS
DEFINITIONS
DISCLAIMERS
PURCHASE OF PHILIPS I2C COMPONENTS
2001 May 30
2
No Preview Available ! |
Philips Semiconductors
Multistandard video decoder with adaptive
comb filter and component video input
Preliminary specification
SAA7118
1 FEATURES
1.1 Video acquisition/clock
• Up to sixteen analog CVBS, split as desired (all of the
CVBS inputs optionally can be used to convert e.g.
Vestigial Side Band (VSB) signals)
• Up to eight analog Y + C inputs, split as desired
• Up to four analog component inputs, with embedded or
separate sync, split as desired
• Four on-chip anti-aliasing filters in front of the
Analog-to-Digital Converters (ADCs)
• Automatic Clamp Control (ACC) for CVBS, Y and C
(or VSB) and component signals
• Switchable white peak control
• Four 9-bit low noise CMOS ADCs running at twice the
oversampling rate (27 MHz)
• Fully programmable static gain or Automatic Gain
Control (AGC), matching to the particular signal
properties
• On-chip line-locked clock generation in accordance with
“ITU 601”
• Requires only one crystal (32.11 or 24.576 MHz) for all
standards
• Horizontal and vertical sync detection.
1.2 Video decoder
• Digital PLL for synchronization and clock generation
from all standards and non-standard video sources e.g.
consumer grade VTR
• Automatic detection of any supported colour standard
• Luminance and chrominance signal processing for
PAL B, G, D, H, I and N, combination PAL N, PAL M,
NTSC M, NTSC-Japan, NTSC 4.43 and SECAM
• Adaptive 2/4-line comb filter for two dimensional
chrominance/luminance separation, also with VTR
signals
– Increased luminance and chrominance bandwidth for
all PAL and NTSC standards
– Reduced cross colour and cross luminance artefacts
• PAL delay line for correcting PAL phase errors
• Brightness Contrast Saturation (BCS) adjustment,
separately for composite and baseband signals
• User programmable sharpness control
• Detection of copy-protected signals according to the
macrovision standard, indicating level of protection
• Independent gain and offset adjustment for raw data
path.
1.3 Component video processing
• RGB component inputs
• Y-PB-PR component inputs
• Fast blanking between CVBS and synchronous
component inputs
• Digital RGB to Y-CB-CR matrix.
1.4 Video scaler
• Horizontal and vertical downscaling and upscaling to
randomly sized windows
• Horizontal and vertical scaling range: variable zoom to
1⁄64 (icon) (note: H and V zoom are restricted by the
transfer data rates)
• Anti-alias and accumulating filter for horizontal scaling
• Vertical scaling with linear phase interpolation and
accumulating filter for anti-aliasing (6-bit phase
accuracy)
• Horizontal phase correct up and downscaling for
improved signal quality of scaled data, especially for
compression and video phone applications, with 6-bit
phase accuracy (1.2 ns step width)
• Two independent programming sets for scaler part, to
define two ‘ranges’ per field or sequences over frames
• Fieldwise switching between decoder part and
expansion port (X-port) input
• Brightness, contrast and saturation controls for scaled
outputs.
1.5 Vertical Blanking Interval (VBI) data decoder
and slicer
• Versatile VBI-data decoder, slicer, clock regeneration
and byte synchronization e.g. for World Standard
Teletext (WST), North-American Broadcast Text
System (NABTS), close caption, Wide Screen Signalling
(WSS) etc.
2001 May 30
3
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