SN67d07

One Channel Direct Drive Speech Controller

Preliminary

October 11, 2001

1

INTRODUCTION

SN67d07 Series is a 7 seconds one-channel single chip voice synthesizer IC

which contains a PWM Direct Drive Circuit. There are two IO pins (one input,

one IO), which can be configured as two trigger pins, or one trigger and one

output.

By filling a coding form, users’ applications, including section

combination, trigger modes, and different output status, can be easily

implemented.

FEATURES

Single power supply 2.4V – 5.1V

7 seconds voice capacity is provided

1-bit input port (P1) and 1-bit I/O port (P2) are provided

16*1 bits RAM are provided

Built in a high quality speech synthesizer

Two different playing rate, 6KHz and 8KHz.

Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly

connected to Speaker for sound output

System clock: 2MHZ

Low Voltage Reset

PIN ASSIGNMENT

Symbol

I/O

Function Description

P1

I

Input port

P2

I/O I/O port

VDD

I

Positive power supply

OSC

I

Oscillation component connection pin

GND

I

Negative power supply

BUO1

O

PWM output 1

BUO2

O

PWM output 2