I5216 SERIES
Advanced Information
PRELIMINARY
TRANSFORMER APPLICATION
To Microcontroller
I2C interface and
Vcc
Address setting
.1µF
27
26
.1µF
2
VCCD
SCL
A1
VCCD
MCLK
INT
13.824 MHz
4.7KΩ
4.7KΩ
3
4
5
6
7
8
9
Vcc
SDA
A0
RAC 25
Vcc
24
23
22
21
20
19
18
PCM OUT
PCM IN
1.5kΩ
SDIO
SDI
VSSD
VSSD
VSSA
MIC+
MIC-
MICBS
ACAP
SP-
.1µF
.1µF
VSSA
ISD521
8 KHz
WS
2.048 MHz
SCK
Electret Microphone
WM-54B Panasonic
10
12
13
14
NC
AUX OUT
AUX IN
VCCA
TO AUXILIARY INPUT
17
16
15
.1µF
VSSA
SP+
1.5kΩ
.1µF
1µF
PDIP
600Ω
N=1
N=1
TIP
RING
600Ω
Publication Release Date: November 30, 2001
Revision A1
-11