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SN66090 Datasheet 4-channel Speech Controller

Manufacturer: SONiX Technology Company

Overview: SN66090 4-Channel Speech Controller „ INTRODUCTION SN66090 is a 90 seconds single chip 4-channel voice synthesizer IC which contains I/O ports 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.

General Description

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 VO1 VO2 O O 2

Key Features

  • Single power supply 2.4V.
  • 5.1V Built in a tiny controller 90 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.

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