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參數(shù)資料
| 型號： | EM22203 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 3 Seconds ASPCM Voice Synthesizer(3秒語音容量的ASPCM語音合成器) |
| 中文描述： | 3秒ASPCM語音合成器（3秒語音容量的ASPCM語音合成器） |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 57K |
| 代理商： | EM22203 |
EM22203/EM22206
3/6 SECONDS ASPCM VOICE SYNTHESIZER
1
* This specification are subject to be changed without notice.
6.12.1996
GENERAL DESCRIPTION
The EM22203 and EM22206 are single chip ASPCM voice synthesizers fully utilizing the VLSI technology.
They provide 3 and 6 seconds voice capacity with 6K Hz sample rate. The voice content can be partitioned into
sections with arbitrary length and several sections can be combined to form complete trigger group. In addition
to multiple normal trigger inputs, ONEKEY trigger is provided to achieve random or sequential group play by
triggering pin ONE. Besides, 4 trigger modes (level mode, one-shot with retrigger mode, one-shot without
retrigger mode, and level mode with SAF1 active) of each trigger input, 3 output functions (stop pulse, active
pulse and flash) and 4 output status (active high/inactive low; active low/inactive high, active high/inactive
floating, active low/inactive floating) of control outputs are also provided to meet diverse applications.
FEATURES
Single power supply: 2.4V~5.0V.
3 seconds voice capacity for EM22203 and 6 seconds voice capacity for EM22206 under 6K Hz sample
rate.
6K Hz / 8K Hz sample rates of each voice section is selective by mask option.
Normal triggers and ONEKEY trigger (random/sequential) are provided.
One of four trigger modes for each trigger input can be selected by mask option:
i.
Level mode
ii. One-shot with retrigger mode
iii. One-shot without retrigger mode
iv. Level mode with SAF1 active
Three control output signals (SAF pins) for indicating or external device controlling are provided:
i.
Three output functions, STOP, ACT and FLASH, are selectable for each control output (SAF) by mask
option.
ii. Four output configurations, active high/active low, active low/inactive high, active high/inactivefloat-
ing, and active low/inactive floating, are selectable for each control output by mask option.
Built-in 20ms debouncing circuit for trigger inputs.
Speaker output driver is provided.
Selective speaker output current: 3 mA or 5 mA by pin option.
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