HT85XXX Datasheet, PDF (1/11 Pages) Holtek Semiconductor Inc – Green Voice

HT85XXX
Green Voice^TM
Features
· 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
· 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¢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
Note: The voice capacity is based on a sampling rate of 4-bit ADPCM 5.25kHz.
*: under development.
HT85096
2048Kb
96 sec
Green Voice^TM and Easy Format^TM are trademark of Grow With Me, Inc.
1
August 24, 2000