[AK4492]
D0
Addr Register Name
09H DSD2
R/W
D7
0
R
0
D6
0
R
0
D5
0
R
0
D4
0
R
0
D3
0
R
0
D2
D1
DSDPATH DSDF DSDSEL1
R/W
0
R/W
0
R/W
0
Default
DSDSEL[1:0]: DSD data stream select
Table 21. DSD data stream select
DSD data stream
DSDSEL1 DSDSEL0
fs = 32 kHz
2.048 MHz
4.096 MHz
8.192 MHz
N/A
fs = 44.1 kHz
2.8224 MHz
5.6448 MHz
11.2896 MHz
N/A
fs = 48 kHz
3.072 MHz
6.144 MHz
12.288 MHz
N/A
0
0
1
1
0
1
0
1
(default)
DSDF: Cut-off frequency of DSD Filter Control
Table 29. DSD Filter Select
Cut Off Frequency
@fs = 44.1 kHz,
DSDF bit
DSD64fs DSD128fs DSD256fs
0
1
39 kHz
76 kHz
78 kHz
152 kHz
156 kHz (default)
304 kHz
DSDPATH: DSD Data Input Pin Select
0: A3, B1, B2 (default)
1: J1, H1, G1
Table 4. PCM/DSD/EXDF Mode Control
Pin Assignment
DSDPATH
D/A Conv.
Mode
DP bit
0
EXDF bit
0
bit
J1 pin H1 pin G1 pin A3 pin
B1 pin B2 pin
x
PCM
DSD
BICK SDATA LRCK Not Use Not Use Not Use
(default) (default)
0
1
1
x
Not Use Not Use Not Use DCLK
DSDL
DSDR
(default)
x
1
x
DSD
DCLK
BCK
DSDL
DINL
DSDR Not Use Not Use Not Use
DINR Not Use Not Use Not Use
0
1
EXDF
(x: Do not care)
016011073-E-00
2016/12
- 90 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
