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HT84144

Holtek Semiconductor Inc
Part Number HT84144
Manufacturer Holtek Semiconductor Inc
Description Magic VoiceTM
Published Mar 26, 2005
Detailed Description HT84XXX Magic VoiceTM Features · · · · · · · · · Operating voltage: 2.4V~5.0V Programmable tone melody generator ADPCM ...
Datasheet PDF File HT84144 PDF File

HT84144
HT84144

Overview
HT84XXX Magic VoiceTM Features · · · · · · · · · Operating voltage: 2.
4V~5.
0V Programmable tone melody generator ADPCM or m-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 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 user¢s commands enable the user to program the powerful custom function such as to build-in a tiny controller.
The Magic VoiceTM provides various operational functions similar to arithmetic operation, logic operation, branch decision, random counter, and a programmable timer.
The Magic VoiceTM series are suitable for versatile voice and sound effect applications.
The HT84XXX Magic VoiceTM is Easy FormatTM supported.
ROM Selection Table The HT84XXX series provides various voice capacity as shown below: Part No.
ROM Voice Length HT84036 768Kb 36 sec HT84072 1536Kb 72 sec HT84144 3072Kb 144 sec HT84192 4096Kb 192 sec HT84384 8192Kb 384 sec Note: The voice capacity is based on a sampling rate of 21Kb/s Magic Voice is a trademark of Holtek Sem...


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