SN67D03B Datasheet, PDF (1/5 Pages) SONiX Technology Company – One Channel Direct Drive Speech Controller

SN67d03B
One Channel Direct Drive Speech Controller
INTRODUCTION
SN67d03B is a 3 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 – 5.5V
3 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
P1
P2
VDD
OSC
GND
BUO1
BUO2
TEST
I/O
Function Description
I Input port
I/O I/O port
I Positive power supply
I Oscillation component connection pin
I Negative power supply
O PWM output 1
O PWM output 2
I For Sonix test
Ver1.0
1
July 12, 2006