3/39

Pad Description

Signals

I/O

Function

Pad #

V2

V1

Vss

Rosc

TGC/INTP

TGB

TGA/OKY

Vdd

NC

K4

K3

K2

K1

RW1

RW2

RW3

RW4

OZ

OY

OX

Cout

OW

OS

Voltage output 1, to drive buzzer

Voltage output 2, to drive buzzer

Ground

Rosc

Trigger C or Interrupt input, mask optional

Trigger B input

Trigger A or one-key input, mask optional

Positive power supply

No connection

Matrix trigger column input 4

Matrix trigger column input 3

Matrix trigger column input 2

Matrix trigger column input 1

Matrix trigger row input 1, feed signal to K pin(s) when contact

Matrix trigger row input 2, feed signal to K pin(s) when contact

Matrix trigger row input 3, feed signal to K pin(s) when contact

Matrix trigger row input 4, feed signal to K pin(s) when contact

Output signal Z

Output signal Y

Output signal X

Current Output, to drive speaker through transistor

Output signal W

Output signal S

CLOCK

GENERATOR

CONTROL

LOGIC

Rosc

TIMING

GENERATOR

ADDRESS

GENERATOR

TRIGGER

TABLE

MPCM

Decoder

VOICE

ROM

Buzzer

Buffer

Speaker

Buffer

C OUT

V DD

V SS

RW1

RW2

RW3

RW4

TGA/OKY

TGB

TGC/INT

OS

OW

OX

OY

OZ

K1 K2 K3 K4

Varaible Pitch

V1

V2

Block Diagram

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

O

O

Power

I

I

I

I

Power

-

I

I

I

I

-

-

-

-

O

O

O

O

O

O

PID247*** 09/96

MSS0307/S0607/S0907/S1207/S1507/S1807

MOSEL VITELIC INC.

Specifications subject to change without notice, contact your sales representatives for the most recent information.

(Preliminary)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Varaible

Loudness