[AK4679]
Addr Register Name
19H Digital Filter Select 0
R/W
D7
0
R
0
D6
HPFC1
R/W
0
D5
HPFC0
R/W
0
D4
D3
D2
D1
D0
PFSEL
R/W
0
HPFAD DASEL1 DASEL0 PFSDO
R/W
1
R/W
0
R/W
0
R/W
1
Default
PFSEL: Signal Select of Programmable Filter Block (Table 78)
0: ADC Output Data (default)
1: SDTI Input Data
PFSDO: SDTO Output and SVOLA Input Signal Select (Table 80)
0: ADC (+1st HPF) Output
1: Programmable Filter Output (default)
DASEL1-0: DAC Input Signal Select (Table 89)
Default: “00” (L= DATT-A Lch, R= DATT-A Rch)
HPFAD: HPF1 Control of ADC
0: OFF
1: ON (default)
When HPFAD bit is “1”, the settings of HPFC1-0 bits are enabled. When HPFAD bit is “0”, HPFAD block is
through (0dB).
When PMADL bit = “1” or PMADR bit = “1”, set HPFAD bit to “1”.
HPFC1-0: Cut-off Frequency Setting of HPF1 (ADC) (Table 38)
Default: “00” (3.4Hz @ fs = 44.1kHz)
MS1402-E-06
2013/02
- 168 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
