General Description

The HT84XXX family is a series of programmable speech synthesizers and tone generators designed for user-defined voice and melody applications. It provides various sampling rates and beats, tone levels, tempos for the speech synthesizer and melody generator. The HT84XXX series has two built-in high quality, current type D/A outputs with 16 levels of volume control. The users commands enable the user to program the powerful custom function such as to build-in a tiny controller. The Magic Voice™ provides various operational functions similar to arithmetic operation, logic operation, branch decision, random counter, and a programmable timer. The Magic Voice™ series are suitable for versatile voice and sound effect applications.

The HT84XXX Magic Voice™ is Easy For mat™ supported.

Features

● Operating voltage: 2.4V~5.0V

● Programmable tone melody generator

● ADPCM or μ-law PCM, PCM synthesis

● Wide range of sampling rate for voice synthesis

● Minimum sampling rate step: 100Hz

● Voice melody mixed output

● Programmable 2 channels of melody mixed output

● Programmable 2 channels of voice mixed output

● 13 kinds of melody beats

● 5 octaves of tone level and 18 tempos

● 16 levels of digital volume control

● Two current type D/A outputs

● Eight programmable I/O pins

● Four programmable input pins

● Provides 36 sec to 384 sec of voice capacity

● Timer controller

● Voice fill-in function

● Powerful user-defined functions

● Power-on initial setting

● 28-pin SKDIP package

Applications

● High-end educational leisure products

● Alert and warning systems

● Speech synthesizers and sound effect generators