AK4537 Datasheet, PDF (51/76 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4537]
Addr
06H
Register Name
DAC Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
TM1
TM0 SMUTE DATTC BST1 BST0 DEM1 DEM0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
1
0
0
0
1
DEM1-0: De-emphases response (see Table 16)
Default: “01” (OFF)
BST1-0: Select Low Frequency Boost Function (see Table 17)
Default: “00” (OFF)
DATTC: DAC Digital Attenuator Control Mode Select
0: Independent
1: Dependent (Default)
When DATTC= “1”, ATTL7-0 bits control both Lch and Rch at same time. ATTR7-0 bits are not changed
when the ATTL7-0 bits are written.
SMUTE: Soft Mute Control
0: Normal Operation (Default)
1: DAC outputs soft-muted
Soft mute operation is independent of digital attenuator and is performed in the digital domain.
TM1-0: Soft Mute Time Select (see Table 24)
Default: “00” (1024/fs)
TM1
TM0
Cycle
0
0
1024/fs Default
0
1
512/fs
1
0
256/fs
1
1
128/fs
Table 24. Soft Mute Time Setting
MS0202-E-04
- 51 -
2005/04