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參數資料
| 型號： | EM22009 |
| 英文描述： | Dual PWM with Linear; Temperature Range: 0°C to 70°C; Package: 32-QFN |
| 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： | 1/14頁 |
| 文件大小： | 80K |
| 代理商： | EM22009 |
EM
EM
EM22000 SERIES
22000 SERIES
SIMPLE VOICE SYNTHESIZER
1
* This specification are subject to be changed without notice.
10.15.2001
Preliminary
GENERAL DESCRIPTION
EM22000 series is a series of single chip ASPCM voice synthesizers fully utilizing the VLSI technology.
It provide 3 seconds to 15 seconds of voice capacity with 6.4K Hz sample rate. The voice content can be partitioned
into sections with arbitrary length and several sections can be combined to form a complete trigger group. In
addition to multiple normal trigger inputs, 4 trigger modes (level mode, one-shot with re-trigger mode, one-shot
without re-trigger mode and level hold mode with SAF3 active) of each trigger input, 3 output functions (stop pulse,
active pulse and flash) and 2 output status (active high/inactive low; active low/inactive high) of control outputs
are also provided to meet diverse applications.
FEATURES
Single power supply: 2.2V~5.2V.
3 seconds to 15 seconds voice capacity under 6.4 KHz sample rate.
Device
22003
22006
22009
22012
22015
Capacity
3 sec.
6 sec.
9 sec.
12 sec.
15 sec.
6.4K Hz, 8K Hz sample rates of each voice section is selective by mask option.
Three trigger configuration can be selected by mask option to normal trigger inputs or keyboard scan inputs.
i. 4 trigger inputs by pure trigger (note : only 3 trigger inputs for EM22003/EM22006)
ii. 8 trigger inputs by keyboard scan (note : only 6 trigger inputs for EM22003/EM22006)
iii. 12 trigger inputs by keyboard scan (note : only 8 trigger inputs for EM22003/EM22006)
One of four trigger modes for each trigger input can be selected by option :
i. Level mode
ii. One-shot with re-trigger mode
iii. One-shot without re-trigger mode
iv. Level mode with SAF3 active
Three control output pins (SAF) for indicating or external device controlling are provided :
i. Three output functions, STOP, ACT and FLASH, are selective for each control output (SAF) by mask
option.
ii. Two output configurations, active high/inactive low, active low/inactive high, are selective for each
control output by mask option.
Built-in de-bounce circuit for about 20 ms.
Flash with volume function is provided.
Built in PWM driver to drive buzzer or speaker directly.
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