SONiX Technology Company SN66021
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.
| Part No. |
SN66021 |
| Datasheet |
SN66021
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| Manufacturer |
 SONiX Technology Company |
| Description |
4-Channel Speech Controller |
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FEATURES
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 256*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 March 8, 2001 SN66021 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
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