M65854 Mitsubishi, M65854 Datasheet - Page 3

• Manufacturer Part Number: M65854
• Description: DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
• Manufacturer: Mitsubishi

Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
PIN DESCRIPTION
MCLKCONT
MIC1IN
ALC1
MIC1NFIN
MIC1OUT
MIC1VOLIN
MIC2IN
ALC2
MIC2NFIN
MIC2OUT
MIC2VOLIN
MICOUT
LPF1IN1
LPF1IN2
LPF1OUT
ADINTOUT
ADINTIN
ADCONT
REF
GND
VCC
Symbol
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
Microphone 1 volume input
Microphone 2 volume input
Low pass filter 1 input 1
Low pass filter 1 input 2
Reference power output
Low pass filter 1output
Microphone 2 negative
feedback input
Microphone 1 negative
feedback input
Microphone 1 input
A/D integrator output
Microphone 1 input
Microphone output
A/D integrator input
Microphone 2 input
Microphone 2 input
Power supply
ALC1 control
ALC2 control
Clock control
A/D control
Ground
Nam
MITSUBISHI
ELECTRIC
MITSUBISHI SOUND PROCESSOR ICs
I/O
—
—
—
—
—
—
—
O
O
O
O
O
I
I
I
I
I
I
I
I
I
Pre-filter before A/D convertor for
digital delay
M65854FP
Controls built-in clock generation circuit with
external R
To connect MIC1
To connect ALC attack / recovery time
setting capacitor
To connect MIC2
To connect ALC attack/recovery time
setting capacitor
Mixing output of MIC1 and MIC2
Composes D/A conversion integrator with
external capacitor
To determine adaptive time constant of
A/D convertor with ADM system
To connect 1/2 Vcc output and filter capacitor
To connect low cut-off frequency of MIC1
amplifier setting capacitor
To connect capacitor to reduce noise generated
at time of volume change
To connect low cut-off frequency of MIC2
amplifier setting capacitor
To connect capacitor to reduce noise generated
at time of volume change
Function
(
3
/
KARAOKE
50
1 4 )
S
S
E
E
R
R
I
I
E
E
S
S