[AK4646]
Addr Register Name
10H Power Management 3
R/W
D7
0
R
0
D6
0
R
0
D5
0
R
0
D4
MDIF2
R/W
0
D3
MDIF1
R/W
0
D2
INR
R/W
0
D1
INL
R/W
0
D0
PMADR
R/W
Default
0
PMADR: MIC-Amp Lch and ADC Rch Power Management
0: Power-down (default)
1: Power-up
INL: ADC Lch Input Source Select
0: LIN1 pin (default)
1: LIN2 pin
INR: ADC Rch Input Source Select
0: RIN1 pin (default)
1: RIN2 pin
MDIF1: ADC Lch Input Type Select
0: Single-ended input (LIN1/LIN2 pin: Default)
1: Full-differential input (IN1+/IN1− pin)
MDIF2: ADC Rch Input Type Select
0: Single-ended input (RIN1/RIN2 pin: Default)
1: Full-differential input (IN2+/IN2− pin)
Addr Register Name
11H Digital Filter Select 1
R/W
D7
GN1
R/W
0
D6
GN0
R/W
0
D5
LPF
R/W
0
D4
HPF
R/W
0
D3
EQ0
R/W
0
D2
FIL3
R/W
0
D1
0
R
0
D0
HPFAD
R/W
1
Default
HPFAD: HPF Control of ADC
0: Disable
1: Enable (default)
When HPFAD bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPFAD bit is “0”,
HPFAD block is through (0dB).
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When FIL3 bit is “1”, the settings of F3A13-0 and F3B13-0 bits are enabled. When FIL3 bit is “0”, FIL3 block
is OFF (MUTE).
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ bit is “1”, the settings of EQA15-0, EQB13-0 and EQC15-0 bits are enabled. When EQ bit is “0”,
EQ block is through (0dB).
HPF: HPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When HPF bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPF bit is “0”, HPF block
is through (0dB).
MS0557-E-05
2011/01
- 61 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
