Отправлено AK 21 ноября 2001 г. 05:01 В ответ на: Интересный вопрос. отправлено Леонид Иванович 21 ноября 2001 г. 02:51

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 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.

Features:
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Operating voltage: 2.4V~5.0V
Programmable tone melody generator
ADPCM or u-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 6 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

• http://www.holtek.com/docum/consumer/84xxx.htm

• Спасибо! — Леонид Иванович   (22.11.2001 03:31, 75 байт)
• Also: siren driver — AK   (21.11.2001 05:05, 441 байт, ссылка)