INTRODUCTION
SN65020 is a 20 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
Single power supply 2.4V – 5.1V
20 seconds voice capacity is provided
Built in a tiny controller
One 4-bit I/O port is provided
64*4 bit RAM are provided
Maximum 16k program ROM is provided
Readable ROM code data
Built in a high quality speech synthesizer
Adaptive playing speed from 2.5k-20kHz is provided
Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output
System clock :1MHZ