SN65012 Datasheet, PDF (1/5 Pages) SONiX Technology Company – One Channel Direct Drive Speech Controller

SN65012
One Channel Direct Drive Speech Controller
„ INTRODUCTION
SN65012 is a 12 seconds one-channel single chip voice synthesizer IC which
contains a PWM Direct Drive Circuit. There is one 4-bit I/O port and built in a
tiny controller. By programming through the tiny controller, user’s applications
including section combination, trigger modes, output status, and other logic
functions can be easily implemented.
„ FEATURES
Š Single power supply 2.4V – 5.1V
Š 12 seconds voice capacity is provided
Š Built in a tiny controller
Š One 4-bit I/O port is provided
Š 64*4 bits RAM are provided
Š Maximum 16k program ROM is provided
Š Readable ROM code data
Š Built in a high quality speech synthesizer
Š Adaptive playing speed from 2.5k-20kHz is provided
Š Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly
connected to Speaker for sound output
Š System clock : 1MHz
„ PIN ASSIGNMENT
Symbol
P20
P21
P22
P23
V_DD
OSC
TEST
GND
BUO1
BUO2
I/O
Function Description
I/O Bit0 of I/O port 2
I/O Bit1 of I/O port 2
I/O Bit2 of I/O port 2
I/O Bit3 of I/O port 2
I Positive power supply
I Oscillation component connection pin
I For testing only
I Negative power supply
O PWM output 1
O PWM output 2
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December 20, 2000