Rainbow Electronics ISD1700 - Manual (Page 17)

ISD1700 SERIES
Publication Release Date: January 23, 2007
- 17 - Revision 1.3-S2
Example #2: Recording using AnaIn input via push-button controls
ISD1700
R
OSC
ERASE
PLAY
REC
AGC
AnaIn
MIC -
MIC+
MISO
MOSI
SCLK
SS
FWD
VOL
24
23
25
26
19
10
11
20
18
22
9
7
6
5
4
*** At 8kHz sampling freq, Rosc = 80 K
Rosc ***
4.7 F μ
FT
0.1 F μ
: Digital ground; : Analog ground; : Ground for SP+; : Ground for SP-
3
RESET
0.1 F μ
Reset
Vcc Gnd
V
CCA
SP+
AUD/AUX
V
SSD
V
CCD
V
CCA
0.1 F μ
LED
1 K Ω
V
CCD
*
D1
2
1
28
17
V
CCA
V
CCD
V
CCP
V
SSA
V
CCP
V
SSP1
SP-
V
SSP2
V
CCP
0.1 F μ
0.1 F μ
*
*
21
8
14
16
12
0.1 F μ *
INT/RDY
27
** **
15
13
Speaker
or Buzzer
V
CCD
Optional
Ω 100 K
vAlert
Optional: based upon the applications
390 Ω
0.1 F μ
V
CC
8050C
Speaker
AUX
AUD