Datasheet > SN65020

SN65020

更新时间： 2022-11-26 03:46:06

品牌	Logo	应用领域
松翰 - SONIX		驱动控制器
页数	文件大小	规格书
5页	133K
描述
One Channel Direct Drive Speech Controller

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SN65020 数据手册

SN65020

One Channel Direct Drive Speech Controller

INTRODUCTION

SN65020 is a 20 seconds one-channel single chip voice synthesizer IC which

contains a PWM Direct Drive Circuit. There is one 4-bit I/O port and built in a

tiny controller. By programming through the tiny controller, user’s applications

including section combination, trigger modes, output status, and other logic

functions can be easily implemented.

FEATURES

Single power supply 2.4V – 5.1V

20 seconds voice capacity is provided

Built in a tiny controller

One 4-bit I/O port is provided

64*4 bit RAM are provided

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 output BUO1 and BUO2 directly

connected to Speaker for sound output

System clock :1MHZ

PIN ASSIGNMENT

Symbol

P20

I/O

Function Description

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

P21

P22

P23

V_DD

Positive power supply

Oscillation component connection pin

For testing only

OSC

TEST

GND

BUO1

BUO2

Negative power supply

PWM output 1

PWM output 2

December 20, 2000

12 3 4 5

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