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SN66020

SONiX Technology Company
Part Number SN66020
Manufacturer SONiX Technology Company
Description 4-Channel Speech Controller
Published Apr 16, 2005
Detailed Description SN66020 4-Channel Speech Controller „ INTRODUCTION SN66020 is a 20 seconds single chip 4-channel voice synthesizer IC w...
Datasheet PDF File SN66020 PDF File

SN66020
SN66020



Overview
SN66020 4-Channel Speech Controller „ INTRODUCTION SN66020 is a 20 seconds single chip 4-channel voice synthesizer IC which contains I/O pins and a tiny controller.
By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, high performance melody, multiple voices, and other logic functions can be implemented.
„ FEATURES Š Š Š Š Š Š Š Š Š Š Š Š Š Š Š Š Single power supply 2.
4V – 5.
1V Built in a tiny controller 20 seconds voice capacity are provided One 4-bit input port, two 4-bit I/O ports and one 4-bit output port are provided 128*4 bits RAM are provided Maximum 64k program ROM is provided Readable ROM code data Built in a high quality speech synthesizer Four independent voice channels Adaptive playing speed from 4k-40kHz is provided for all 4 channels individually Automatic repetition for every channel A 6-bit*8-bit Multiplier is embed to modulate the volume of synthesized voices Two digital mixers (with saturation control) are provided Two 8-bit current output DA converters (Channel 1 + Channel 2 → DA1, Channel 3 + Channel 4 → DA2 ) System clock: 2M Hz ( R-type or Crystal Option) Low Voltage Reset 1 December 20, 2000 SN66020 4-Channel Speech Controller „ PIN ASSIGNMENT Symbol P10 P11 P12 P13 P20 P21 P22 P23 P30 P31 P32 P33 P40 P41 P42 P43 VDD GND OSC/XIN XOUT CKSEL I/O Function Description I I I I Bit0 of input port 1 Bit1 of input port 1 Bit2 of input port 1 Bit3 of input port 1 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/O Bit0 of I/O port 3 I/O Bit1 of I/O port 3 I/O Bit2 of I/O port 3 I/O Bit3 of I/O port 3 O O O O I I I O I Bit0 of output port 4 Bit1 of output port 4 Bit2 of output port 4 Bit3 of output port 4 Positive power supply Negative power supply Oscillator / Crystal In Crystal Out Clock type select ‘L’ → R type (1M) ‘H’ → 2M Crystal Internal pull low.
D/A current output, for channel 1 and 2 D/A current output, for channel 3 and 4...



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