AK4137EQ Datasheet, PDF (4/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion

4. Block Diagram
[AK4137]
SDTI
ILRCK
IBICK
DSDIR
DSDIL
IDCLK
PDN
I2C
PSN
PCM
Input
Serial
Audio
I/F
DOP
DSD
Internal
OSC
DEM
UP/IF
PCM
FIR
COMB
DSD
BYPASS
SRC
SRC
BYPASS
SMUTE
Dither
REF
Internal
Regulator
X’tal
OSC
PCM
Output
Serial
Audio
I/F
DSD
Clock
Div.
SDTO/DSDOL
OLRCK/DSDOR
OBICK/ODCLK
MCKO
TEST1
TEST0
DVSS
DVDD
Figure 1. Block Diagram
5. Pin Configurations and Functions
OBIT0/TDO4
37
OBIT1
38
CM0/TDO5
39
CM1
40
CM2/TDO6
41
CM3
42
VSEL
43
DV18
44
DVSS
45
DVDD
46
NC
47
NC
48
AK4137
Top View
24
MCKO
23
SMSEMI
22
DITHER
21
ODIF0/TDO2
20
ODIF1/TDO1
19
CSN/SMUTE
18
SCL/CCLK /SD
17
SSDLAO/CWDTI/SLOW
16
CDTO
15
PSN
14
PDN
13
I2C
Rev. 0.2
Figure 2. Pin Layout
-4-
2014/06