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PDF ISD18C00 Data sheet ( Hoja de datos )
| Número de pieza | ISD18C00 | |
| Descripción | VOICE RECORD/PLAYBACK DEVICE | |
| Fabricantes | nuvoton | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISD18C00 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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ADVANCED INFORMATION ISD18C00 SERIES
ISD18C00 SERIES
SINGLE-CHIP, SINGLE-MESSAGE
VOICE RECORD/PLAYBACK DEVICE
6- TO 16-SECOND DURATION
Date: February 24, 2009
- 1 - Revision 0.4
1 page  
ADVANCED INFORMATION ISD18C00 SERIES
4. PIN CONFIGURATION
VSSD
REC
PLAYE
PLAYL
NC
NC
NC
NC
NC
MIC_sp+
NC
MIC_sp-
AGC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ISD18C00
28 RECLED
27 VCCD
26 XCLK
25 FT
24 NC
23 NC
22 NC
21 NC
20 NC
19 ROSC
18 VCCA
17 SP+
16 VSSA
15 SP-
Date: February 24, 2009
- 5 - Revision 0.4
5 Page 
ADVANCED INFORMATION ISD18C00 SERIES
8. RECLED operation
The RECLED output pin provides an active-LOW signal, which can be used to drive an LED as a
“record-in-progress” indicator. It returns to a HIGH state when the REC pin is released LOW or when
the recording is completed due to the memory being filled. This pin also pulses LOW to indicate the
end of a message has been reached.
9. ROSC operation
The duration of the device can be varied by changing the value of R1 (ROSC). This means the
ISD18C00 device can actually be between 8 to 16 seconds duration. See the curve below, which charts
typical durations when the ROSC is varied from 80 KΩ to 160 KΩ.
This feature allows frequency shifting where a recorded voice or sound can be played back faster or
slower than normal for special effects.
Chart 1: ISD Duration Versus ROSC at TA = 25°C and VCC = 3.0V
I18C10
I18C06
80 100 120 140
Typical ROSC (KΩ )
160
- 11 -
Date: February 24, 2009
Revision 0.4
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet ISD18C00.PDF ] | |
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