I5216 series, I5216 codec diagram, Preliminary – Rainbow Electronics ISD5216 User Manual
Page 7
I5216 SERIES
Advanced Information
PRELIMINARY
Publication Release Date: November 30, 2001
-7
Revision A1
5/8/01
PCM / I2S Interface
ANALOG OUT
8 bits or 16
bits
8 bits or 16
bits
WS SCK SDIO SDI
ANALOG IN
I5216 CODEC DIAGRAM
µ
/A-Law
Expander
or linear
Digital
Σ∆
Demodulator
Digital
Smoothing
Interpolation Filter
14 bit
14 bit
1 bit
µ
/A-Law
Compressor
or linear
Digital
High pass
Filter
15 bit
14 bit
Digital
Anti-Aliasing
Decimation Filter
Anti
Aliasing
Filter
SC
AMP
0
.8/
1/
1.
2/
1.
25/
1
.4
/1
.6
/1
.8
/2
3
( )
CIG0
CIG1
CIG2
1
(ADPD)
Analog
Σ∆
Modulator
1 bit
Digital
PLL
MCLK
WS
Sample frequency
1 bit D/A
&
SC
Filter
2
( )
HPF0
HSR0
2
LAW0
LAW1
( )
1
I2S0
( )
1
HSR0
( )
( )
MUTE
1
( )
MUTE
1
1
2
LAW0
LAW1
( )
3
COG0
COG1
COG2
( )
÷2
1
CKD2
( )
1
DAO
(DAPD)