SNC204S Просмотр технического описания (PDF) - Sonix Technology Co., Ltd

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SNC204S

Direct Drive Speech Controller

Sonix Technology Co., Ltd 

SNC204S

Direct Drive Speech Controller

1. INTRODUCTION

SNC204S is a single channel voice synthesizer IC with PWM direct drive circuit. It

built-in a 4-bit tiny controller with one 4-bit I/O port. By programming through the tiny

controller in SNC204S, user’s varied applications including voice section combination,

key trigger arrangement, output control, and other logic functions can be easily

implemented.

2. FEATURES

Single power supply 2.4V – 5.5V

13 seconds voice capacity are provided (@6KHZ sample rate)

Built in a 4-bit tiny controller

Where P3.2, P3.3 can direct drive LED (8mA for driving, 16mA for sink)

One 4-bit I/O port is provided

32*4 bits RAM are provided

40K*10 ROM size are provided for voice data and program

Maximum 16K program ROM is provided

Readable ROM code data

Built in a high quality speech synthesizer

Adaptive playing speed from 2.5k-20kHz is provided

Built in a PWM Direct Drive circuit and a fixed current D/A output

8-level volume control for PWM Direct Drive output

System clock: 2MHz

Low Power Detect

Ver: 1.2

2

Sept 20, 2007

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