AK4618 Datasheet, PDF (51/60 Pages) Asahi Kasei Microsystems – 192kHz 24-bit 6ch/12ch Audio CODEC with Microphone Interface

[AK4618]
DFS1-0: Sampling speed mode (Table 1)
The setting of DFS is ignored at ACKS bit =“1”.
CKS1-0: Master Clock Input Frequency Select (Table 2)
Addr
03H
Register Name
Filter setting1
R/W
Default
D7
DEM41
R/W
0
D6
DEM40
R/W
1
D5
DEM31
R/W
0
D4
DEM30
R/W
1
D3
DEM21
R/W
0
D2
DEM20
R/W
1
D1
DEM11
R/W
0
D0
DEM10
R/W
1
DEM11-10: De-emphasis response control for DAC1 data on SDTI1 (Table 8)
Initial: “01”, OFF
DEM21-20: De-emphasis response control for DAC2 data on SDTI2 (Table 8)
Initial: “01”, OFF
DEM31-30: De-emphasis response control for DAC3 data on SDTI3 (Table 8)
Initial: “01”, OFF
DEM41-40: De-emphasis response control for DAC4 data on SDTI4 (Table 8)
Initial: “01”, OFF
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
04H Filter setting2 SLOW SD_DA
0
SD_AD DEM61 DEM60 DEM51 DEM50
R/W
R/W
R/W
RD
R/W
R/W
R/W
R/W
R/W
Default
0
1
0
1
0
1
0
1
DEM51-50: De-emphasis response control for DAC5 data on SDTI5 (Table 8)
Initial: “01”, OFF
DEM61-60: De-emphasis response control for DAC6 data on SDTI6 (Table 8)
Initial: “01”, OFF
SD_AD: Digital filter Setting for ADC
0: Sharp roll off filter
1: Short delay Sharp roll off filter (default)
SD_DA: Digital filter Setting for DAC
0: Sharp roll off filter or Slow roll off filter
1: Short delay Sharp roll off filter or Short delay Slow roll off filter (default)
SLOW: Slow Roll-off Filter Enable for DAC
0: Sharp Roll-off Filter (default)
1: Slow Roll-off Filter
SD_DA bit
0
0
1
1
SLOW bit
Mode
0
Sharp roll-off filter
1
Slow roll-off filter
0
Short delay Sharp roll-off filter
1
Short delay Slow roll-off filter
Table 18 Digital Filter setting for DAC
(default)
015000617-E-00
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2015/01