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Panasonic Electronic Components Datasheet

MN662740RE Datasheet

Signal Processing LSI for CD Players

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MN662740RE pdf
For Audio Equipment
MN662740RE
Signal Processing LSI for CD Players
Overview
The MN662740RE is a CD signal processing LSI that,
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.
Features
(Optics servo)
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
(Spindle motor servo)
CLV digital servo
(Audio circuits)
Digital filter using 8-fold oversampling
Built-in D/A converter (1-bit D/A converter)
Built-in differential operational amplifier (2nd order
low pass filter)
(Other)
Built-in playback pitch control function (±13%)
Guaranteed operation for double-speed playback
except for D/A converter output and 4 fs mode serial
output
Operating voltage 3.0 to 5.5V
Applications
CD Players
(Digital signal processing)
Built-in DSL and PLL
Frame synchronization detection, holding, and insertion
Subcode data processing
Q data CRC check
Built-in Q data register
CIRC error detection and correction
C1 decoder: duplex error correction
C2 decoder: triplex error correction
Built-in 16-K bits of RAM for de-interleaving
Audio data interpolation
Four-sample average, hold of previous values
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)
Audio data serial interface for input and output


Panasonic Electronic Components Datasheet

MN662740RE Datasheet

Signal Processing LSI for CD Players

No Preview Available !

MN662740RE pdf
MN662740RE
Block Diagram
51
AVSS2
AVDD2
50
LRCKIN/MSEL
BCLKIN/SSEL
SRDATEIN/PSEL
IOSEL 70
CLVS 66
CRC 67
BLKCK 13
CLDCK 62
SBCK 56
SUBC 55
DEMPH 68
RESY 69
FLAG6/RESY
SSEL 80
SQCK 14
SUBQ 15
PCK 53
EFM 52
PLLF 48
DSLF 47
IREF
DRF
45
46
ARF 44
RSEL 76
PSEL 78
MLD 9
MCLK 7
MDATA 8
CK384/EFM
VCOF 49
SMCK 19
FCLK 63
PMCK 20
CSEL 77
MSEL 79
X2 59
X1 58
STAT 17
For Audio Equipment
75 OUTR
73 OUTL
74
72 AVSS1
AVDD1
65 FLAG
64 IPFLAG
6 TX
A/D CONVERTER
24 ECM
23 PC
2 LRCK
3 SRDATA
1 BCLK
16 DMUTE
21 TRV
26 KICK
29
61
VREF
BYTCK/TRVSTOP
25 ECS
22 TVD
27 TRD
28 FOD
31 TBAL
30 FBAL
54 TOFS
41 TES
12 TLOCK
11 FLOCK
42 PLAY
40
LDON
43 WVEL
10 SENSE
SERVO
INPUT PORT TIMING GENERATOR


Part Number MN662740RE
Description Signal Processing LSI for CD Players
Maker Panasonic
Total Page 3 Pages
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1 MN662740RE Signal Processing LSI for CD Players Panasonic
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