SONIX SN68340 Datasheet

SN68340

Speech Controller

 INTRODUCTION

SN68340 is a 340 seconds single chip 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, and
other logic functions can then be easily implemented.

 FEATURES

Single power supply 2.4V - 5.1V

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Built in a tiny controller

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340 seconds voice capacity are provided

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Two 4-bit I/O ports and two 4-bit output ports are provided

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256*4 bits RAM are provided

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Maximum 16k program ROM is provided

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Readable ROM code data

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Built in a high quality speech synthesizer

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Adaptive playing speed from 2.5k-20kHz is provided

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Built in a dual tone melody generator

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Speech/Dual tone melody mixer is provided

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Fixed current D/A output is provided to drive external connected transistor

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for sound output

Low Voltage Reset

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December 20, 2000

 PIN ASSIGNMENT

Symbol I/O Function Description

P20 I/O Bit0 of I/O port 2

P21 I/O Bit1 of I/O port 2

P22 I/O Bit2 of I/O port 2

P23 I/O Bit3 of I/O port 2

P30 I/O Bit0 of I/O port 3

P31 I/O Bit1 of I/O port 3

P32 I/O Bit2 of I/O port 3

P33 I/O Bit3 of I/O port 3

P40 O Bit0 of output port 4

P41 O Bit1 of output port 4

SN68340

Speech Controller

P42 O Bit2 of output port 4

P43 O Bit3 of output port 4

P50 O Bit0 of output port 5

P51 O Bit1 of output port 5

P52 O Bit2 of output port 5

P53 O Bit3 of output port 5

V

DD

I Positive power supply

OSC I Oscillation component connection pin

TEST I For testing only

RESET I Reset pin

GND I Negative power supply

V

O

O D/A current output

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December 20, 2000