mn662740re Panasonic Corporation of North America, mn662740re Datasheet

mn662740re

Manufacturer Part Number

mn662740re

Description

Signal Processing Lsi For Cd Players

Manufacturer

Panasonic Corporation of North America

Datasheet

1.MN662740RE.pdf (4 pages)

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For Audio Equipment

MN662740RE

Signal Processing LSI for CD Players

on a single chip, combines an optics servo for the CD

player (focus, tracking, and traverse servos), digital signal

processing (EFM demodulation and error correction),

digital servo processing for the spindle motor, digital

filter, and D/A converter, so thus covers all signal

processing functions from the head's RF amplifier onward.

(Optics servo)

(Digital signal processing)

The MN662740RE is a CD signal processing LSI that,

Audio data serial interface for input and output

Focus, tracking, and traverse servos

Automatic adjustment functions for FO/TR gain,

FO/TR offset, and FO/TR balance

Built-in D/A converter for drive voltage output

Built-in dropout countermeasures

Anti-shock functions

Built-in track cross counter

Support for both linear motor and screw-based traverse

mechanisms

Support for 3- and 1-beam systems

Built-in DSL and PLL

Frame synchronization detection, holding, and insertion

Subcode data processing

CIRC error detection and correction

Audio data interpolation

Soft muting

Digital attenuation (256 levels)

Software attenuation (256 levels)

Audio data peak level detection function

Auto cue detection function

Digital audio interface (EIAJ format)

Overview

Features

Q data CRC check

Built-in Q data register

C1 decoder: duplex error correction

C2 decoder: triplex error correction

Built-in 16-K bits of RAM for de-interleaving

Four-sample average, hold of previous values

(Spindle motor servo)

(Audio circuits)

(Other)

CD Players

CLV digital servo

Digital filter using 8-fold oversampling

Built-in D/A converter (1-bit D/A converter)

Built-in differential operational amplifier (2nd order

Built-in playback pitch control function ( 13%)

Guaranteed operation for double-speed playback

low pass filter)

except for D/A converter output and 4 f

output

Operating voltage 3.0 to 5.5V

Applications

mode serial

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mn662740re Summary of contents

Page 1

... For Audio Equipment MN662740RE Signal Processing LSI for CD Players Overview The MN662740RE signal processing LSI that single chip, combines an optics servo for the CD player (focus, tracking, and traverse servos), digital signal processing (EFM demodulation and error correction), digital servo processing for the spindle motor, digital filter, and D/A converter, so thus covers all signal processing functions from the head's RF amplifier onward ...

Page 2

... MN662740RE Block Diagram 51 AV SS2 50 AV DD2 LRCKIN/MSEL BCLKIN/SSEL SRDATEIN/PSEL 70 IOSEL 66 CLVS 67 CRC 13 BLKCK 62 CLDCK 56 SBCK 55 SUBC 68 DEMPH 69 RESY FLAG6/RESY 80 SSEL 14 SQCK 15 SUBQ 53 PCK 52 EFM 48 PLLF 47 DSLF 45 I REF 46 DRF 44 ARF 76 RSEL 78 PSEL 9 MLD 7 MCLK 8 MDATA CK384/EFM 49 VCOF 19 SMCK 63 FCLK 20 PMCK ...

Page 3

... For Audio Equipment Package Dimensions (Unit: mm) QFS080-P-1414 16.2±0.2 14.0±0 0.65 0.15 SEATING PLANE 1.1±0.1 +0.10 0.3 -0.05 MN662740RE 0.55±0.1 ...

Page 4

Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...

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