ISD1740PYI Nuvoton Technology Corporation of America, ISD1740PYI Datasheet - Page 18

• Manufacturer Part Number: ISD1740PYI
• Description: IC VOICE REC/PLAY 40-SEC 28-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: ISD1700, ChipCorder®r

Specifications of ISD1740PYI

• Interface: SPI
• Duration: 40 Sec
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ISD-COB1790 - BOARD DEMO FOR ISD1790ISD-COB1760 - BOARD DEMO FOR ISD1760ISD-COB1750 - BOARD DEMO FOR ISD1750ISD-COB1740 - BOARD DEMO FOR ISD1740ISD-COB1730 - BOARD DEMO FOR ISD1730ISD-COB17240 - BOARD DEMO FOR ISD17240ISD-COB17210 - BOARD DEMO FOR ISD17210ISD-COB17150 - BOARD DEMO FOR ISD17150ISD-ES17XX_USB_PB - BOARD DEMO FOR ISD1700 SERIES
• Filter Pass Band: -
• Lead Free Status / RoHS Status: Supplier Unconfirmed, Lead free / RoHS Compliant

10.1
To ensure the highest quality of voice reproduction, it is important to follow good audio design
practices in layout and power suppl
A
Design Considerations for ISD1700 Family
G
S
*** At 8kHz sampling freq, Rosc = 80 K
pplication Notes in our websites.
ingle-Chip Board Layout Diagrams
ood Audio Design Practices
http://www.Nuvoton-usa.com/products/isd_products/chipcorder/applicationinfo/apin11.pdf
http://www.Nuvoton-usa.com/products/isd_products/chipcorder/applicationinfo/apin12.pdf
Example #3: Connecting the SPI Interface to a microcontroller
AN-CC1002 Design Considerations for ISD1700 Family.pdf
2 0
G
OOD
A
UDIO
To uC
SPI
D
Rosc ***
ESIGN
0.1 F
μ
4.7 F
μ
P
24
23
25
26
19
22
10
11
7
6
5
4
20
18
RACTICES
9
REC
PLAY
ERASE
AGC
SS
SCLK
MOSI
MISO
AnaIn
R
FWD
MIC -
MIC+
VOL
FT
OSC
y decoupling. See recommendations from below links or other
: Digital ground;
ISD1700
PRELIMINARY ISD1700 SERIES
- 18 -
AUD/AUX
INT/RDY
RESET
: Analog ground;
V
V
V
SP-
V
SP+
V
V
LED
V
SSP1
SSP2
CCA
SSA
CCP
CCD
SSD
28
14
21
16
12
15
13
17
27
3
2
1
8
1 KΩ
0.1 F
V
0.1 F
CCD
Optional
μ
100 K
V
μ
CCP
: Ground for SP+;
Publication Release Date: Nov 6, 2008
or Buzzer
Speaker
D1
V
Ω
CCD
*
0.1 F
0.1 F
μ
*
vAlert
μ
Optional: based upon the applications
AUD
AUX
V
CCA
*
V
V
*
: Ground for SP-
**
V
CCA
CCD
CCP
390 Ω
0.1 F
μ
Vcc
Reset
Speaker
0.1 F
V
**
μ
CC
8050C
Revision 1.31
Gnd