KK8040

BLOCK DIAGRAM

PIN DESCRIPTION

Pin. No.

Pin Name

Pull-Down

Resistor

Functions

1

OSC1

-

A resistor is connected between both terminals to from a ring

2

OSC2

-

oscillator, or external reference signals are applied to OSC1.

3

TST2

Provided

LSI Test Input/Output.

4

MT

Provided

For binary selection: Controls Start and Stop of Performance.

For direct selection: Selects Melody 1 and Controls Start and Stop of it’s

Performance.

5

SEL2

Provided

For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.

For direct selection: Selects Melody 3 and Controls Start and Stop of it’s

Performance.

6

SEL1

Provided

For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.

For direct selection: Selects Melody 2 and Controls Start and Stop of it’s

Performance.

7

B/E

-

BUSY or END Signal Output Terminal.

8

-

Power Supply Terminal (0V).

9

TST1

Provided

LSI Test Input.

10

ENV1

-

Connects Resistor and Capacitor to add Envelope to Main Melody.

11

ENV2

-

Connects Resistor and Capacitor to add Envelope to Accompaniment.

12

MO

-

Output Terminal or Acoustic Signals that have not been Amplified.

13

P1

Connects PNP/NPN Transistors, resistors and Capacitors to form

14

OUT1

Provided

a Low-Frequency Linear Amplifier Circuit.

15

OUT2

16

-

3.0V to 5.0V Operating Voltage

OSCILLATOR

CONTROL

DRIVER

RHYTHM

ROM

MELODY

ROM

ENVELOPE

MIXER

TEMPO ROM

MELODY ROM

ADDRESS

COUNTER

CONTROL ROM

TONE

GENERATOR

RHYTHM

GENERATOR

ENVELOPE

MIXER

ACCOMPANMENT

GENERATOR

OSC1

SEL1

P1

SEL2

OUT1

MT

OUT2

ENV1

MO

B/ E

ENV2

OSC2

2