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MC44460

Motorola
Part Number MC44460
Manufacturer Motorola
Description PICTURE-IN-PICTURE (PIP) CONTROLLER
Published Sep 14, 2005
Detailed Description Order this document by MC44460/D Advance Information MC44460 Picture-in-Picture (PIP) Controller The MC44460 Picture–...
Datasheet PDF File MC44460 PDF File

MC44460
MC44460

Overview
Order this document by MC44460/D Advance Information MC44460 Picture-in-Picture (PIP) Controller The MC44460 Picture–in–Picture (PIP) controller is a low cost member of a family of high performance PIP controllers and video signal processors for television.
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 MC44460 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 MC44460 are: • Two NTSC CVBS Inputs PICTURE–IN–PICTURE (PIP) CONTROLLER SEMICONDUCTOR TECHNICAL DATA • • • • • • • • • • • • • • 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 Representative Block Diagram Decoder Clamp Caps Sync Out 28 Low Pass Filter Band Pass Filter Y Decoder ACC Main Out Decoder Xtal Decoder PLL 16 FSC PLL 37 49 38 39 7 NTSC Encoder 0° 90° 4X S/C Osc + PLL PIP Switch NTSC Decoder V U 57.
28 MHz Y U V Clamp Multiplexer Y V U 6–Bit ADC 3 6 Vert 6 6 3.
0 MHz LPF 3.
0 MHz LPF 3.
0 MHz LPF 52 53 54 U DAC V DAC Y DAC 6 6 Digital Logic 1 2 3 4 5 10 30 Filter PLL 33 Filter Tracking 40 41 42 ADC Mid–Ref 51 29 31 32 Sync In H PLL 503 kHz Res 56 1 B SUFFIX PLASTIC PACKAGE CASE 859 (SDIP) ORDERING INFORMATION Device MC44460B Operating Temperature...


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