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