AK4137EQ Datasheet, PDF (6/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion

[AK4137]
No. Pin Name
16 CDTO
SDA
17 CDTI
SLOW
SCL
18 CCLK
SD
I/O Function
O I2C=”L”: Control Data Output Pin in Serial Control Mode
I/O I2C=”H”: Control Data In/Out Pin in Serial Control Mode
I I2C=”L”: Control Data Input Pin in Serial Control Mode
I Digital Filter Select Pin in Parallel Control Mode
I I2C=”H”: Control Data Clock Input Pin in Serial Control Mode
I I2C=”L”: Control Data Clock Pin in Serial Control Mode
I Digital Filter Select Pin in Parallel Control Mode
CSN
I Chip Select Pin in Serial Control Mode , I2C=”L”
19
SMUTE
ODIF1
20 _TDO1
21
ODIF0
TDO2
22 DITHER
23 SMSEMI
24 MCKO
25 SMT1
26 SMT0
27 ^SDTO
DSDOL
OBICK
28
Soft Mute Pin in Parallel Control Mode
I
When this pin is changed to “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
I Audio Interface Format #1 Pin for Output PORT
O Test Output pin
I Audio Interface Format #0 Pin for Output PORT
O Test Output pin
I
Dither Enable Pin
“H”: Dither ON, “L”: Dither OFF
I
Soft Mute Semi Auto Mode
“L”: Manual Mode , “H”: Semi Auto Mode
O Master Clock Output Pin
I Soft Mute Timer select #1 Pin
I Soft Mute Timer select #0 Pin
O
Audio Serial Data Output Pin for Output PORT
When the PDN pin = “L”, the SDTO pin outputs “L”.
O DSD Data Pin in DSD Mode
Audio Serial Data Clock Pin for Output PORT
I/O
When the PDN pin = “L” in master mode,
the OBICK pin outputs “L”.
ODCLK
I/O DSD Clock Pin in DSD Mode
OLRCK
29
I/O
Output Channel Clock Pin for Output PORT
When the PDN pin = “L” in master mode, the OLRCK pin outputs “L”.
DSDOR
O DSD Data Pin in DSD Mode
TDM Format Select Pin
TDM
30
I
“L”(connected to DVSS): Stereo Mode
“H”(connected to DVDD): TDM mode for Output
TDO3
O Test Output pin
X’tal Output Pin
31 XTO
O
When the PDN pin = “L” or CM3-0 = “LHHL” or “LHHH” or “Hxxx”
XTO outputs “L”.
32
CLKMOD
E
I
Master Clock Select Pin
“L”(connected to DVSS): X'tal Mode
“H”(connected to DVDD): External Master Clock or TDM=”H”
Rev. 0.2
2014/06
-6-