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PDF ISD18B00 Data sheet ( Hoja de datos )
| Número de pieza | ISD18B00 | |
| Descripción | VOICE RECORD/PLAYBACK DEVICES | |
| Fabricantes | Nuvoton Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISD18B00 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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ISD18B00 DATASHEET
ISD18B00
SINGLE-CHIP, SINGLE-MESSAGE
VOICE RECORD/PLAYBACK DEVICE
Publication Release Date: Sep 05, 2013
- 1 - Revision 1.0
1 page  
ISD18B00 DATASHEET
4. PAD DESCRIPTION
PAD NAME I / O
FUNCTION
VSSD
RECL
PLAYE
PLAYL
RECE
NC
NC
NC
NC
MICIN
NC
MICOUT
NC
NC
SPK-
I Digital Ground: Ground path for digital circuits.
I Level-Triggered Record: Low active input, Level-hold.
I Edge-Triggered Playback: Low active input, Edge-trigger, toggle on-off.
I Level-Triggered Playback: Low active input, Level-hold.
I Edge-Triggered Record: Low active input, Edge-trigger, toggle on-off.
-- NC: No Connect
-- NC: No Connect
-- NC: No Connect
-- NC: No Connect
I Microphone Input: The MICIN transfers input signal to the on-chip
microphone amplifier.
-- NC: No Connect
O Microphone Output: Output of the microphone amplifier.
-- NC: No Connect
-- NC: No Connect
O SPK-: The negative signal of the differential speaker outputs.
VSSA
SPK+
VCCA
Rosc
FT
NC
NC
TryMe
I Analog Ground: Ground path for analog circuits.
O SPK+: The positive signal of the differential speaker outputs.
I Power Supply: Power supply for analog circuits.
I Oscillator Resistor: Connect an external resistor from this pin to VSSA to
select the sampling frequency
I Feed-Through (FT): Low active input, Level-hold, Feed-through microphone
input to speaker outputs while in active state.
-- NC: No Connect
-- NC: No Connect
I TryMe Mode : High active input, Level-hold. A special operating mode.
LEDP
NC
SE
VCCD
Tied to RECL or RECE for normal operations.
Tide to VCCD or leave unconnected for TryMe mode.
O LED output for Playback: During playback, this output is Low.
-- NC: No Connect
I Sound Effect: Low active input, Level-hold, optional beeping sound effect.
Tied to LEDR to activate sound effect during record.
Tied to VCCD if no sound effect desired.
I Power Supply: Power supply for digital circuits.
Publication Release Date: Sep 05, 2013
- 5 - Revision 1.0
5 Page 
ISD18B00 DATASHEET
Tr
TM
RECL
LEDR
TDeb
BEEP
(Optional)
MicIn
LEDP
TB1
TD1
PLAYE
or PLAYL
SPK+
SPK-
Tf
Illegal state
TB2
TP1
Illegal state
5.14. Power interruption
Any power interruption during an operation is strongly not recommended. If happened, it may result the
device becoming malfunction.
5.15. Power-On to Playback Operation :
If PLAYE or PLAYL is held at Low during power turns on, the device plays message accordingly with
respect to which play control being employed.
5.16. Power-On to Loop Playback Operation :
If PLAYL is hardwired to ground permanently, once power is on, the device performs looping playback
non-stop. This status will sustain unless power is turned off.
5.17. Automatic Playback after Record Operation :
If LEDP is connected to PLAYE , after a record operation, then the device will automatic play message
once, then powers down.
- 11 -
Publication Release Date: Sep 05, 2013
Revision 1.0
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ISD18B00.PDF ] | |
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