MITSUBISHI SOUND PROCESSOR ICs
S E R IE S
S E R IE S
M65850P/FP
DIGITAL ECHO(DIGITAL DELAY)
50
KARAOKE
PIN DESCRIPTION
Pin No.
I/O
I
Symbol
Name
Function
P
FP
2
Low pass filter 1
input
1
2
LPF1 IN
LPF1 OUT
OP1 OUT
OP1 IN
CC1
To form input-side low pass filter by
connecting external capacitor and resistor
Low pass filter 1
output
3
O
O
I
Operational
amplifier1 output
3
4
To form A-D conversion integrator by
connecting external capacitor
Operational
amplifier 1 input
4
5
Current control 1
Current control 2
5
ADM control of A-D converter
ADM control of D-A converter
6
-
6
7
-
CC2
GND
7
GND
8
-
Low pass filter 2
output
8
9
LPF2 OUT
LPF2 IN
OP2 OUT
OP2 IN
REF
O
I
To form input-side low pass filter by
connecting external capacitor and resistor
Low pass filter 2
input
9
10
11
12
13
14
15
Operational
amplifier 2 output
10
11
12
13
14
-
O
I
To form D-A conversion integrator by
connecting external capacitor
Operational
amplifier 2 input
•
Reference
Analog reference voltage 1/2Vcc
-
•
To form clock generator by connecting
external resistor
Clock generator
input
CLOCK
VCC
I
To apply 3.5 ~ 5.5 V power
(Rated voltage : 5 V)
Supply voltage
No connection
-
1
-
NC
16
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