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MC44462

更新时间: 2024-11-14 22:39:59
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摩托罗拉 - MOTOROLA 控制器
页数 文件大小 规格书
7页 187K
描述
Y-C PICTURE-IN-PICTURE (PIP) CONTROLLER

MC44462 数据手册

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Order this document from Analog Marketing  
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  
56  
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, Inc. 1996  
Issue 2  

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