SN67D07B Datasheet, PDF (1/5 Pages) SONiX Technology Company – One Channel Direct Drive Speech Controller

SN67d07B
One Channel Direct Drive Speech Controller
„ INTRODUCTION
SN67d07B 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
Š Single power supply 2.4V – 5.5V
Š 7 seconds voice capacity is provided
Š 1-bit input port (P1) and 1-bit I/O port (P2) are provided
Š 16*1 bits RAM are provided
Š Built in a high quality speech synthesizer
Š Two different playing rate, 6KHz and 8KHz.
Š Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected
to Speaker for sound output
Š System clock: 2MHZ
Š Low Voltage Reset
„ PIN ASSIGNMENT
Symbol
P1
P2
VDD
OSC
GND
BUO1
BUO2
TEST
TEST1
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
I For Sonix test
Ver1.0
1
October 2, 2006