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參數(shù)資料
| 型號： | EM22206 |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 6 Seconds ASPCM Voice Synthesizer(6秒語音容量的ASPCM語音合成器) |
| 中文描述： | 6秒ASPCM語音合成器（6秒語音容量的ASPCM語音合成器） |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 57K |
| 代理商： | EM22206 |
EM22203/EM22206
3/6 SECONDS ASPCM VOICE SYNTHESIZER
* This specification are subject to be changed without notice.
6
6.12.1996
B. Normal triggers and ONEKEY trigger
Normal trigger plays its corresponding trigger group with its own trigger mode. On the contrary, ONEKEY
trigger plays multiple voice groups with random or sequential order selected by mask option. Maximum
ONEKEY play groups, which cannot exceed the total used trigger group, is defined by mask option. By
triggering pin ONE, EM22203/EM22206 plays groups within group 1 to this maximum ONEKEY play
group number.
If the play mode of ONEKEY trigger is selected to be ‘SEQUENTIAL’, the ‘RESET’ function can be
enabled/disabled by mask option. When ‘RESET’ is enabled, user can reset the sequential playing sequence
to group one by triggering TR8.
example:
a..) ONEKEY sequential play with "RESET" disabled, the maximum ONEKEY play group is optioned
to be 5:
playing sequence: group1, group2, group8, group3, group4, group5, group1, group2, ... (playing
sequence is not affected although TR8 is accepted).
b.) ONEKEY sequential play with ‘RESET’ enabled, the maximum ONEKEY play group is optioned
to be 5:
playing sequence: group1, group2, group8, group1, group2, group3, group4, group5, group1,
group2, ...
(the playing sequence is reset to group 1 after TR8 is accepted).
c.) ONEKEY random play, the maximum ONEKEY play group is optioned to be 6:
playing sequence: group4, group1, group6, group2, group3, ...
(trigger group lager than 6 will never appear).
C. Debouncing circuit
To prevent possible unwanted trigger caused from bouncing pulses or noise, any bouncing pulse shorter
than 20ms is ignored by the debouncing circuit. User should be awared that sufficient trigger pulse width
should be applied on trigger inputs when interfacing EM22203/EM22206 to microprocessors.
III. Control output signals
EM22203/EM22206 offers three configurable control output pins (SAF1, SAF2 and SAF3) for external
control. There are three output functions for each control output pin optional by mask option. These functions
are defined as followed:
Output type
STOP
ACT
FLASH
Description
Output a 40ms active pulse as soon as section playing is stop
Output a steady active pulse while voice section is playing
Output flash pulses while voice section is playing
Whether an SAF pin issues control output signal or not is defined section by section in coding procedure.
If the issue of an SAF pin is enabled by a section, it will send out control output signal according to the
option of output function (STOP, ACT or FLASH).
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