AK4490EQ Datasheet, PDF (59/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490]
Addr Register Name
07H Control 6
R(I2C)/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
SYNCE
R
R
R
R
R
R
R
R/W
0
0
0
0
0
0
0
0
SYNCE: Synchronization control
0: Disable (default)
1: Enable
This register enables the function that synchronizes multiple AK4490s when using more than one
AK4490s in a system.
Addr Register Name
08H Control 7
R(I2C)/W
Default
SC1-0: Sound control bit
SC1
0
0
1
1
D7
D6
D5
D4
D3
D2
0
0
0
0
0
0
R
R
R
R
R
R
0
0
0
0
0
0
SC0
Sound Mode
0
Sound Setting 1
1
Sound Setting 2
0
Sound Setting 3
1
Reserved
Table 27. SC1-0 bits Control
(default)
D1
D0
SC1
SC0
R/W
R/W
0
0
Addr Register Name
09H Control 8
R(I2C)/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
DSDF DSDSEL1
R
R
R
R
R
R
R/W
R/W
0
0
0
0
0
0
0
0
DSDSEL1-0: DSD Sampling Speed Control (See also Control 4 register.)
DSDSEL1 DSDSEL0 DSD data stream
0
0
2.8224MHz (default)
0
1
5.6448MHz
1
0
11.2896MHz
1
1
Reserved
Table 16. DSD Sampling Speed Control
When DSDD bit= “1”, the filter characteristics can be switched between 50kHz and 150kHz by DSDF bit.
DSDD bit DSDF bit
Cut Off Filter
0
0
50kHz
(default)
0
1
Reserved
1
0
50kHz
1
1
150kHz
Table 18. DSD Filter Select
MS1648-E-03
- 59 -
2014/11