M65853 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M65853

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

MITSUBISHI ELECTRIC  

PRELIMINARY M65853FP 50 soNmoeticpear;aTmheistriisc

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DIGITAL ECHO

WITH

MITSUBISHI SOUND PROCESSOR ICs

MICROPHONE MIXING CIRCUIT

SE

KARAOKE

RI

ES

Pin No. Symbol

22 VCC

23 DACONT

24 DAINTIN

25 DAINTOUT

26 LPF2IN1

27 LPF2IN2

28 LPF2OUT

29 VOLIN

30 RIN2

31 LIN2

32 RIN1

33 LIN1

34 VCFIL

35 ROUT

36 LOU

37 PS1

38 PS2

39 LATCH

40 CLOCK

41 DATA

Nam

Power supply

D/A control

D/A Integrator input

D/A integrator output

I/O

Function

—

—

To determine adaptive time constant of

D/A convertor with ADM system

I

Composes D/A conversion integrator with

external capacitor

O

Low pass filter 2 input 1

Low pass filter 2 input 2

Low pass filter 2 output

Echo effect / Echo feed back

volume input

Rch line input2

I

I Post-filter after D/A convertor for digital

delay

O

To connect capacitor to reduce noise generated

I at time of volume change

I Rch line input2

Lch line input2

Rch line input1

I Lch line input2

I Rch line input 1

Lch line input1

Vocal cut filter

I Lch line input1

— Processes frequencies lower than the vocal band

Rch output

O Rch mixing output

Lch output

O Lch mixing output

Phase shift input 1

Phase shift input 2

I

Determines a constant at time of phase shift

I

LATCH

I Latch input via serial bus

CLOCK

I Clock input via serial bus

DATA

I Data input via serial bus

42 MIC SW

Microphone SW

I L: MIC OFF H: MIC ON

MITSUBISHI

ELECTRIC

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