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參數(shù)資料
| 型號： | HT81R36 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | EasyVoice Speech |
| 中文描述： | EasyVoice講話 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 230K |
| 代理商： | HT81R36 |
HT81XXX
EasyVoice
TM
Speech
Selection Table
Part No.
Mask
HT81003
HT81006
HT81009
HT81012
HT81018
OTP
HT81R03
HT81R09
HT81R18
HT81R36
Voice Capacity
3 sec
6 sec
9 sec
12 sec
18 sec
36 sec
Note:
The voice capacity is calculated based on 5kHz sampling rate.
For 3-second capacity HT81003/HT81R03 devices, refer to the its relevant data sheet.
Rev. 1.40
1
March 1, 2005
Features
Operating voltage: 2.4V~5V
Directly drives an external transistor
PWM function directly driver speaker
Low standby current (1 A typ. for V
DD
=3V)
Minimal external components
240 notes table ROM for key functions
Programmable silence length and end-pulse width
(minimal end-pulse width is 1.3ms at 8kHz sampling
rate)
Controllable volume
FLAG1 options
End-pulse output
3Hz, 3HzB flash
6Hz, 6HzB flash
Busy output
OFF
FLAG2 options
3Hz flash
6Hz flash
Busy output
OFF
6 keys (Directed)
8 keys (Matrix key)
Key options
Sequential/Directed
Repeat (KEY2~KEY6)
STOP key (KEY6)
Key debounce time: 1.2ms, 22ms, 45ms
(based on a 8kHz sampling rate)
One shot/Normal
Pull-high resistance: 0, 50k , 100k , 200k
Section options
Retriggerable
Non-retriggerable
Dice form or 16-pin DIP package
General Description
TheEasyVoice
TM
isasingle-chipvoicesynthesizerLSI.
The chip when triggered drives a speaker directly or
through an external transistor with a PWM output. Negli-
gible current is consumed in the standby state.
The HT81XXX provides direct key or Matrix key input
and 2 programmable FLAG outputs. With 2.4V~5.0V
power supply, a complete synthesized voice playback
system can be easily built with very few external compo-
nents.
The customer s voice sources are recorded section by
section into an internal mask ROM. The instructions of
section playback arrangement of each key are stored in
the table ROM. The key features are also programma-
ble. With such a flexible structure, the EasyVoice
TM
is
excellent for versatile voice applications.
Applications
Leisure products
Alarm clocks
Alert and warning system
Sound effect generators
EasyVoice
TM
is a trademark of Holtek Semiconductor Inc.
相關PDF資料 |
PDF描述 |
|---|---|
| HT81XXX | EasyVoiceTM Speech |
| HT82A821R | USB Audio MCU |
| HT82A821R_07 | USB Audio MCU |
| HT82A822R | USB Audio MCU |
| HT82A822R_07 | USB Audio MCU |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HT81XXX | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:EasyVoiceTM Speech |
| HT82003(28SDIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up Counter |
| HT82003(28SOP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up Counter |
| HT82011(28SDIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech Synthesizer |
| HT82011(28SOP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speech Synthesizer |
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