SN52020 Datasheet, PDF (3/11 Pages) SONiX Technology Company – 2-Channel Speech Controller

SN52020
2-Channel Speech Controller
1. INTRODUCTION
SN52020 is a 20 seconds single chip 2-channel voice synthesizer IC which contains
I/O pins and a tiny controller. By programming through the tiny controller, users’
applications including section combination, trigger modes, output status, high
performance melody, multiple voices, and other logic functions can be implemented.
2. FEATURES
Single power supply 2.4V – 5.5V
Built in a tiny controller
20 seconds voice capacity are provided
64*4 bits RAM are provided
ROM Size
− Maximum 64K*10 bits ROM size
− 64K program ROM is provided
Readable ROM code data
I/O Ports
− One 4-bit I/O ports P3
− The driving/sink current of P3.2 & P3.3 are 8mA/16mA
Built in a high quality speech synthesizer
Two independent voice channels
Adaptive playing speed from 4k-40kHz is provided for all 2 channels individually
A 6-bit*8-bit Multiplier is embed to modulate the volume of synthesized voices
One digital mixers (with saturation control) are provided
Built in an 8-level volume control Analog Push-Pull Direct Drive circuit.
System clock: 2M Hz (RC-type or Crystal Option)
Low Voltage Reset
Built-in WDT function
Built-in Event Mark Function
Ver: 1.0
3
March 2,2005