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Part: M65824AFP
Category:
Multimedia
-> Audio
-> Processors
Description: CD Player Digital Signal Processor With Built-in DAC
Company: Mitsubishi Electronics America, Inc.
Datasheet: Download M65824AFP datasheet File size : 1522 kB
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Datasheet text preview:
Specifications
M I T S U B I S H I SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC DESCRIPTION The M65824AFP is a CMOS IC developed for compact disc players. (suitable for CD-DA:Compact Disc-Digital Audio) It has built-in memory,adjustment-free PLL and D/A converter with DSP function. FEATURES Adjustment free EFM-PLL circuit(Includes VCO) ±8 frames jitter margin Digital CLV servo control Attenuation(-12dB) 4 times over sampling IIR type digital filter Digital de-emphasis function D/A converter A smaller package Analog LPF Digital audio interface External D/A mode RECOMMENDED OPERATING CONDITIONS Supply voltage range(interface)·············································································DVDD=2.7 to 5.5V Supply voltage range(internal logic system and analog)······················DSPS,AVDD=2.7 to 3.3V Rated supply voltage(interface)························································································DVDD=5.0V Rated supply voltage(internal logic sys tem and analog)·································DSPS,AVDD=3.0V Rated power dissipation···········································································································100mW SYSTEM BLOCK DIAGRAM
Subcode Interface
M65824AFP
Display Inter polation DeEMP
M
Motor Driver
Optical Pick-up
RF-Amp Pick-up Servo Auto
Adjustment
PLL Slicer
EFM De-modulator OSC CLK 18kSRAM
PLL CLK
CLV Digital Servo MCU I/F
ECC
C1:2error C2:2error
4fs Digital Fi l t e r
D/A
L R
System Control Microprocessor
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M I T S U B I S H I SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
1.BUILT-IN FUNCTIONS
Functional block D/A converter Memory PLL Description: · 64fs 1bit D/A converter · S/N:74dB(theoretically) · 18kSRAM(built-in) · ±8 fames jitter margin · Adjustment free VCO · Slice level control · EFM demodulation · Frame sync.detection,protection&interpolation · Frame sync.signal output · Subcode P to W decoding,serial output · Subcode Q register · Subcode Q-CRC Check · Subcode sync.signal output(S0/S1) · Emphasis detection,built-in de-emphasis circuit control · C1:Duplex,C2:Duplex · De-scramble · De-interleave · Error monitor output · Averaging/Holding · Muting control · 4 times over sampling digital filter · Digital de-emphasis (IIR type digital filter) · Automatic emphasis flag detection · PWM output · Low disc rotation detection · CLV digital servo control · Muting control · Attenuation(-12dB) · Subcode Q register interface · Digital audio interface output ON/OFF · Clock accuracy input · TLC voltage "hold" · LPF output "open" · PWM output "regular acceleration"
EFM demodulator
Subcode decoding
CRC decoding
Data interpolator D/A interface Digital filter De-emphasis CLV digital servo
Mic r o c o mputer interface
Digital audio interface HFD
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M I T S U B I S H I SOUND PROCESSOR ICs
M65824AFP
CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC
2. PIN CONFIGURATION
AVSS ADJCLK LOCK/DRD TEST I/O ACLRB
C423/DSCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
AVDD IREF
RAGND ROUT/LRCK RAVDD LAVDD LOUT/DO LAGND
DOTX XI DVSS XO TEST SBCO SCCK SYCLK EFFK KILLB EST1 EST2 HF TLC LPF
EXP2 EXP1 M LAB MSD MCK DVSS2 DVDD2 PWM SCAND CRCF SBQS DSPS DVDD
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