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HT85XXX Datasheet

  • HT85XXX

  • Green Voice

  • 161.86KB

  • 11頁(yè)

  • HOLTEK

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HT85XXX
TM
Green Voice
Features
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Operating voltage: 2.4V~5.0V
Driver speaker (32W) V
DD
=4.5V,
I
DD
=90mA
Programmable tone melody generator
ADPCM,
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
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13 kinds of melody beats
5 octaves of tone level and 18 tempos
16 levels of digital volume control
Eight programmable I/O pins
Four programmable input pins
Provides 36 sec to 96 sec of voice capacity
Timer controller
Voice fill-in function
Powerful user-defined functions
Power-on initial setting
28-pin SKDIP package
General Description
The HT85XXX family is a series of programma-
ble speech synthesizers and tone generators de-
signed 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 HT85XXX series has a built-in high quality,
current type D/Aoutputs with 16 levels of volume
control. The user壟s commands enable the user to
program the powerful custom function such as to
build-in a tiny controller. The Green Voice pro-
vides various operational functions similar to
arithmetic operation, logic operation, branch de-
cision, random counter, and a programmable
timer. The Green Voice series are suitable for
versatilevoiceandsoundeffect applications.
The HT85XXX Green Voice series is Easy For-
mat
TM
supported.
Selection Table
The HT85XXX series provides various voice capacity as shown below:
Part No.
ROM
Voice
Length
HT85036
768Kb
36 sec
HT85048
1024Kb
48 sec
HT85072
1536Kb
72 sec
HT85096
2048Kb
96 sec
Note: The voice capacity is based on a sampling rate of 4-bit ADPCM 5.25kHz.
*: under development.
Green Voice
TM
and Easy Format
TM
are trademark of Grow With Me, Inc
.
1
August 24, 2000

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