參數(shù)資料
型號(hào)： EM22312
廠商： ELAN Microelctronics Corp .
英文描述： 12 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，12秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
中文描述： 12秒ASPCM語(yǔ)音合成器（單工作電壓為2.4V - 5.0V，12秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器）
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 80K
代理商： EM22312
4
* This specification are subject to be changed without notice.
EM22309/12/16/21/30/42/60
9/12/16/21/30/42/61 SECONDS ASPCM VOICE SYNTHESIZER
10.21.1997
II. Trigger inputs
The full EM22300 series chips provide both normal trigger inputs and the ONEKEY trigger inputs. With
normal trigger inputs, EM22300 plays corresponding trigger groups. The ONEKEY trigger, however, plays
trigger groups sequentially or in random order by mask option. Besides, each trigger input has its own
trigger mode independent to other trigger inputs. Furthermore, debouncing circuits are provided to avoid false
trigger caused from noise or bouncing pulses of switches.
A. Trigger modes
There are four trigger modes which are selectable for each trigger input: level mode, one-shot with retrigger
mode, one-shot without retrigger mode, and level mode with SAF1 active. Trigger modes of each trigger
input are defined by mask option.
1.) Level mode
Under this mode, the trigger group corresponds to the trigger input pin (TR) will be played until the level
of the TR goes low.
2.) One-shot with retrigger mode
Under this mode, the rising edge of TR pin triggers the corresponding trigger group. The trigger is
accepted whenever a pulse is applied on the TR pin.
TRx
VO
group x
not
finished
complete group
group x
group x
group x
not
finished
complete group
TRx
TRy
VO
group x
complete
group
group x
group x
group x
group y
complete
group
complete
group
not
finished
not
finished
Device
EM22309/22312/22316/22321/22330/22342/22360
12
31
63
Available trigger groups
Max. source voice section number
Max. section combination
for each trigger group
Total section combinations
for all trigger groups
224
相關(guān)PDF資料
PDF描述
EM22316 16 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，16秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
EM22321 21 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，21秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
EM22330 30 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，30秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
EM22342 42 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，42秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
EM22360 60 Seconds ASPCM Voice Synthesizer(單工作電壓2.4V-5.0V，60秒語(yǔ)音容量的單片ASPCM語(yǔ)音合成器)
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