isd14b00 Winbond Electronics Corp America, isd14b00 Datasheet - Page 19

• Manufacturer Part Number: isd14b00
• Description: Single-chip, Multiple-message Voice Record/playback Device 10.6- To 32-seconds Duration
• Manufacturer: Winbond Electronics Corp America

8. TYPICAL APPLICATION CIRCUIT
Example #1: Operations via start and end addresses under address trigger mode (
The following typical application examples on ISD14B20 series are for references only. They make
no representation or warranty that such applications shall be suitable for the use specified. It’s
customer’s obligation to verify the design in its own system for the functionalities, voice quality,
current consumption, and etc.
In addition, the below notes apply to the following application examples:
It is important to have a separate path for each ground and power back to the related terminals to
minimize the noise. Besides, the power supplies should be decoupled as close to the device as
possible.
Also, it is crucial to follow good audio design practices in layout and power supply decoupling. See
recommendations in Application Notes from our websites.
* The suggested values are for references only. Depending on system requirements, they can
be adjusted for functionalities, voice quality and degree of performance.
V
To switches or
CC
address I/Os
4.7 k Ω∗
4.7 k
4.7 k Ω∗
Ω∗
4.7 F*
0.1 F*
4.7 F*
0.1 F*
Rosc*
μ
μ
μ
μ
Rosc
FT
Mic+_AnaIn
AGC
REC
PLAYE
PLAYL
S0
E3
E2
E1
E0
Mic-
S2
S1
S3
ISD1916
NORM
XCLK
V
V
V
V
V
V
V
LED
SP+
SP-
SSP1
SSP2
CCD
SSD
CCA
CCP
SSA
- 19 -
0.1 F
1 KΩ
μ
0.1 F
V
0.1 F
10 F*
CCA
μ
μ
μ
Speaker
Publication Release Date: October 9, 2007
D1
V
CCD
0.1 F
μ
10 F*
V
10 F*
10 F*
CCP
μ
μ
μ
V
V
V
CCA
CCD
CCP
Vcc
NORM
ISD14B20
)
Gnd
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