I5216 SERIES
Advanced Information
PRELIMINARY
CAR STEREO APPLICATION
To Microcontroller
I2C interface and
Address setting
Vcc
.1µF
.1µF
1
2
3
28
27
26
25
24
23
VCCD
SCL
A1
VCCD
MCLK
INT
20.48 MHz
Vcc
4.7KΩ
4.7KΩ
4
5
6
SDA
A0
RAC
SDIO
SDI
Vcc
I2S SERIAL I/O
1.5kΩ
VSSD
VSSD
VSSA
MIC+
MIC-
MICBS
ACAP
SP-
VSSA
7
8
22
.1µF
.1µF
ISD521
WS 21
48 KHz
9
10
11
12
13
14
20
SCK
NC
3.072 MHz
Electret Microphone
WM-54B Panasonic
19
18
17
16
15
AUX OUT
AUX IN
VCCA
.1µF
VSSA
SP+
1.5kΩ
1µF
PDIP
Publication Release Date: November 30, 2001
Revision A1
-13