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PDF ISD14B20 Data sheet ( Hoja de datos )
| Número de pieza | ISD14B20 | |
| Descripción | MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE | |
| Fabricantes | Winbond | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISD14B20 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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ISD14B20
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ISD14B20
SINGLE-CHIP, MULTIPLE-MESSAGE
VOICE RECORD/PLAYBACK DEVICE
10.6- TO 32-SECONDS DURATION
Publication Release Date: October 9, 2007
- 1 - Revision 0
1 page  
3. BLOCK DIAGRAM
ISD14B20
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MIC+_
AnaIn
AGC
Clock Control
Pre-
Amp
Amp
Antialiasing
Filter
Non-Volatile
Multi Level Storage
Array
Automatic
Gain Control
(AGC)
Device & Address Control
Switch
Smoothing
Filter
Amp
Power Conditioning
SP +
SP -
Address Trigger: NORM LED FT PlayE PlayL REC XCLK S0 S1 S2 S3 E0 E1 E2 E3
Direct Trigger: MODE LED FT FMC3 FMC2 FMC1 R/P M1 M2 M3 M4 M5 M6 M7 M8
VCCA VSSA VCCD VSSD VCCp VSSP1 VSSP2
Publication Release Date: October 9, 2007
- 5 - Revision 0
5 Page 
ISD14B20
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Norm/Mode
<S3:S0>
<E3:E0>
TASet
PlayL
LED
TDeb
Sp+
Sp-
TAHold
Start
TDeb
TASet
Stop
TSettle2
TAHold
Start
TDeb
Part of
Message
TEOM
End of
Message
• However, holding PlayL Low constantly will perform looping playback function, without power down,
from start address to end address.
Fig. 6: Looping playback function via PlayL
Norm/Mode
<S3:S0>
<E3:E0>
TASet
PlayL
TDeb
LED
TAHold
TEOM
TEOM
Sp+
Sp-
5.1.4. Playback (Supersedes Record) Operation
• Playback takes precedence over the Recording operation.
• If either PlayE or PlayL is activated during a recording cycle, the recording immediately ceases with
an EOM marker attached, and without power down, playback of the just-recorded message performs
accordingly. Then device powers down.
Fig. 7: An example of Playback supersedes Record
- 11 -
Publication Release Date: October 9, 2007
Revision 0
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet ISD14B20.PDF ] | |
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