MC44461 Datasheet, PDF (1/16 Pages) Motorola, Inc – PICTURE–IN–PICTURE (PIP) CONTROLLER

Order this document by MC44461/D
Advance Information
Picture-in-Picture
(PIP) Controller
The MC44461 Picture–in–Picture (PIP) controller is a member of
Motorola’s low cost PIP family. It is NTSC compatible and contains all the
analog signal processing, control logic and memory necessary to provide for
the overlay of a small picture from a second non synchronized source onto
the main picture of a television. All control and setup of the MC44461 is via a
standard two pin I2C bus interface. The device is fabricated using BICMOS
technology. It is available in a 56–pin shrink dip (SDIP) package.
The main features of the MC44461 are:
• Two NTSC CVBS Inputs
• Switchable Main and PIP Video Signals
• Single NTSC CVBS Output Allows Simple TV Chassis Integration
• Two PIP Sizes; 1/16 and 1/9 Screen Area
• Freeze Field Feature
• Variable PIP Position in 64–X by 64–Y Steps
• PIP Border with Programmable Color
• Programmable PIP Tint and Saturation Control
• Automatic Main to PIP Contrast Balance
• Vertical Filter
• Integrated 64 k Bit DRAM Memory Resulting in Minimal RFI
• Minimal RFI Allows Simple Low Cost Application into TV
• I2C Bus Control – No External Variable Adjustments Needed
• Operates from a Single 5.0 V Supply
• Economical 56–Pin Shrink DIP Package
MC44461
PICTURE–IN–PICTURE
(PIP) CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
56
1
B SUFFIX
PLASTIC PACKAGE
CASE 859
(SDIP)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC44461B TJ = –65° to +150°C
SDIP
For surface mount package availability, contact your local
Motorola sales office or authorized distributor.
Composite Video Simplified System Diagram
CV
Tuner/IF
Back Panel
Composite
Video Input
CV1
PIP
MC44461
CV2
IIC
CVin
Video
Processor
R
G
B
This document contains information on a new product. Specifications and information herein
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© Motorola, Inc. 1996
Rev 0
1