ASAHI KASEI
[AK4367]
Addr Register Name
01H Mode Control 0
R/W
D7
0
RD
0
D6
MCKAC
D5
HPM
R/W
0
D4
DIF2
R/W
0
D3
DIF1
R/W
1
D2
DIF0
R/W
0
D1
DFS1
R/W
0
D0
DFS0
R/W
0
R/W
0
Default
DFS1-0: Oversampling Speed Select (Table 2)
Default: “00” (64fs)
DIF2-0: Audio Data Interface Format Select (Table 3)
Default: “010” (Mode 2)
HPM: Mono Output Select of Headphone
0: Normal Operation (Default)
1: Mono. (L+R)/2 signals from the DAC are output to both Lch and Rch of headphone.
MCKAC: MCLK Input Mode Select
0: CMOS input (Default)
1: AC coupling input
Addr Register Name
02H Mode Control 1
R/W
D7
0
RD
0
D6
0
RD
0
D5
MMUTE
D4
SMUTE
R/W
0
D3
BST1
R/W
0
D2
BST0
R/W
0
D1
DEM1
R/W
0
D0
DEM0
R/W
1
R/W
0
Default
DEM1-0: De-emphasis Filter Frequency Select (Table 7)
Default: “01” (OFF)
BST1-0: Low Frequency Boost Function Select (Table 8)
Default: “00” (OFF)
SMUTE: Soft Mute Control
0: Normal operation (Default)
1: DAC outputs soft-muted
MMUTE: Mute control for MOUT (Table 6)
0: Normal operation. ATTM3-0 bits control attenuation value. (Default)
1: Mute. ATTM3-0 bits are ignored.
MS0247-E-02
2005/10
- 31 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
