CD PLAYER DIGITAL SIGNAL PROCESSOR WITH BUILT-IN DAC

MITSUBISHI SOUND PROCESSOR ICs

M65824AFP

ELECTRIC

MITSUBISHI

/23

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 s ys tem and analog)······················DSPS,AVDD=2.7 to 3.3V

Rated supply voltage(interface)························································································DVDD=5.0V

Rated supply voltage(internal logic s ys tem and analog)·································DSPS,AVDD=3.0V

Rated power dissipation···········································································································100mW

Specifications

SYSTEM BLOCK DIAGRAM

M65824AFP

M

Motor

Driver

Optical

Pick-up

RF-Amp

Pick-up

Servo

Auto

Adjustment

System Control Microprocessor

MCU I/F

CLV

Digital Servo

PLL CLK

OSC CLK

PLL

Slicer

EFM

De-modulator

Subcode

Interface

18kSRAM

ECC

C1:2error

C2:2error

Inter

polation

De-

EMP

4fs Digital

Filter

D/A

L

R

Display

1