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參數(shù)資料
| 型號： | EM22012 |
| 英文描述： | Dual PWM with Linear; Temperature Range: 0°C to 70°C; Package: 24-EPTSSOP |
| 中文描述： | EM22000系列-簡單的語音合成器具有PWM直接驅動 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大?。?/td> | 80K |
| 代理商： | EM22012 |
EM
EM
EM22000 SERIES
22000 SERIES
SIMPLE VOICE SYNTHESIZER
* This specification are subject to be changed without notice.
2
10.15.2001
Preliminary
FUNCTION DESCRIPTIONS
In coding procedure, voice sources are separated into voice sections with arbitrary length. The sample rate
of each section is selected as either 6.4K Hz or 8K Hz. Pause time of voice section is defined by each voice
section. The maximum pause time can not exceed duration of the playing part of voice section.
A complete trigger group is formed by combining source voice sections.
For example,
Group1: sec3+sec1+sec3+sec5.
Group2: sec4+sec1+sec2+sec2+sec5.
The maximum section combination number in a trigger group and the total available section combination
number for all trigger groups are limited. These limitations varying with devices as following :
PIN DESCRIPTIONS
Symbol
I/O
Function
TR1
I
Trigger input
TR2
I
Trigger input
TR3
I
Trigger input
TR4
I
Trigger input (only for EM22009/22012/22015)
SAF1
O
Control Output 1
SAF2
O
Control Output 2
SAF3
O
Control Output 3
VO1
O
Voice output to drive speaker
VO2
O
Voice output to drive speaker
OSC
I
Oscillation component connection pin
VDD1
I
Positive power supply
VDD2
I
Positive power supply
GND1
I
Negative power supply
GND2
I
Negative power supply
TEST
I
For testing only
Start of the section
end of playing part
end of the section
Playing part of voice section
Pause of the section
m second
< m second
A voice section
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