AK4456 Datasheet, PDF (73/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz Advanced 32-bit DAC

[AK4456]
Addr Register Name
06H DSD1
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
DDM DML1 DMR1 DMC DMRE
0
DSDD DSDSEL0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
DSDSEL1-0: DSD sampling speed control (Table 10)
Default value is “00”.
DSDD: DSD play back path control (Table 11)
0: Full function (default)
1: Volume Bypass
DMRE:
DSD mute release
0: Hold (default)
1: Mute Release
This register is only valid when DDM bit = “1” and DMC bit = “1”. It releases a mute state
when DSD data is muted by DDM and DMC bits.
DMC: DSD mute control
0: Auto Return (default)
1: Mute Hold
This register is only valid when DDM bit = “1”. It selects the process when DSD data level
drops under full scale while DSD data is muted by DDM bit.
DMR1/DML1
This register output detection flag when the signal level of the DSDR1/L1 pin is full scale.
DDM: DSD data mute
0: Disable (default)
1: Enable
The AK4456 has a function that mutes the output when DSD data is all “1” or “0” for 2048
samplings (1/fs). This register controls the DSD mute function.
015006886-E-00
- 73 -
2015/06