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參數(shù)資料
| 型號： | ISD14B20X |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 10.6- TO 32-SECONDS DURATION |
| 中文描述： | 單芯片，多留言語音記錄/播放設(shè)備10.6至32-SECONDS期限 |
| 文件頁數(shù)： | 15/24頁 |
| 文件大小： | 403K |
| 代理商： | ISD14B20X |
ISD14B20
Publication Release Date: October 9, 2007
- 15 -
Revision 0
When R
OSC
resistor value is changed during playback, the tone of a recorded message will alter either
faster or slower.
If the ground side of R
OSC
resistor is floated or tied to V
CC
, then the current operation will be freezed.
The operation will resume when the resistor is connected back to ground.
5.3.2.
LED
Operation
LED
turns on during recording. Also,
LED
pulses Low at the end of message. The Low period must
be sufficiently greater than debounce time.
5.3.3. Feed-Through mode Operation
As
FT
is held Low, the Mic+ pin will be reconfigured as AnaIn input then the AnaIn signal will be
transmitted to the speaker outputs. Under this mode, Mic- pin is not used (must be floated).
After
FT
is enabled, If
REC
is triggered, then AnaIn signal will be recorded into memory while the
Feed-Through path remains on.
If
FT
is already enabled, activating either
PlayE
or
PlayL
will first disable the FT path then play the
recorded message. Once playback completes, FT path will be resumed.
During an operation, activating the
FT
pin is not allowed.
5.3.4. Power-On Playback Operation
If
PlayE
is kept at Low during power turns on, the device plays message once, then powers down.
If
PlayL
is held at Low during power turns on and constantly maintained at Low, the device will play the
message repeatedly, with insignificant dead time between messages regardless of sampling
frequencies. This status will sustain unless power is turned off or
PlayL
somehow returns to High.
5.3.5. Automatic Single Message Playback
If
LED
is connected to
PlayE
, once
PlayE
is triggered, then the device plays message repeatedly
without power down between the looping playback. However, if
PlayE
is triggered again during
playback, then playback will stop.
5.3.6. Power is interrupted Abruptly
During the device is in operation, it is strongly recommended that the supply power cannot be
interrupted. Otherwise, it may cause the device to become malfunctioning.
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|---|---|
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| ISD15102FYI | 功能描述:IC VOICE REC/PLAY 3V 2MIN 48LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 語音錄制和重放 系列:ISD15100 標準包裝:14 系列:- 接口:串行 濾波器通頻帶:1.7kHz 持續(xù)時間:8 ~ 32 秒 安裝類型:通孔 封裝/外殼:28-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:28-PDIP 其它名稱:90-21300+000 |
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