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Y–C PICTURE–IN–PICTURE
(PIP) CONTROLLER
The MC44462 Y–C PIP controller is a low cost member of a family of high
performance PIP controllers and video signal processors for television. It is a
follow–up to the MC44461 PIP and has a modified input selection to allow
higher performance in TV systems which have S–Video inputs on the back
panel. The S–Video input is separate luma (luminance) and chroma
components. 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 MC44462 is via a standard two pin
SEMICONDUCTOR
TECHNICAL DATA
2
I C 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 MC44462 are:
• Switchable PIP Composite Video Signals – Video 1 and Video 2
• S–Video Output Allows High Performance in TV
• Two PIP Sizes; 1/16 and 1/9 Screen Area
• Freeze Field Feature
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1
• Variable PIP Position in 64–X by 64–Y Steps
• PIP Border with Programmable Color
B SUFFIX
PLASTIC PACKAGE
CASE 859
• Programmable PIP Tint and Saturation Control
• Automatic Main to PIP Contrast Balance
• Vertical Filter
(SDIP)
• Integrated 64 k Bit DRAM Memory Resulting in Minimal RFI
ORDERING INFORMATION
Operating
• Minimal RFI Allows Simple Low Cost Application into TV
2
Temperature Range
Device
Package
• I C Bus Control – No External Variable Adjustments Needed
MC44462B T = –65° to +150°C
SDIP
• Operates from a Single 5.0 V Supply
• Economical 56–Pin Shrink DIP Package
J
YC–PIP System Diagram
S
W
CV
Comb
Filter
(MC141625)
Y
C
CV
(unused)
Main
Tuner/IF
IIC
M
T
R
X
Video
Processor
Cable
Y
R
G
B
Y
main in
Back Panel
S–VHS Inputs
Y
main out
YC PIP
MC44462
C
Y
in
C
main in
C
in
C
main out
CV
1
2
Back Panel
Composite
Video Input
CV
CV
IIC
This document contains information on a product under development. Motorola reserves the
right to change or discontinue this product without notice.
MOTOROLA ANALOG IC DEVICE DATA
Motorola, Inc. 1996
Issue 2
1