AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 61

• Manufacturer Part Number: AK4646EN
• Description: Stereo CODEC with MIC/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS0557-E-02
Addr
11H
INR: ADC Rch Input Source Select
MDIF1: ADC Lch Input Type Select
MDIF2: ADC Rch Input Type Select
HPFAD: HPF Control of ADC
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
HPF: HPF Coefficient Setting Enable
LPF: LPF Coefficient Setting Enable
GN1-0: Gain Select at GAIN block (Table 22)
0: RIN1 pin (default)
1: RIN2 pin
0: Single-ended input (LIN1/LIN2 pin: Default)
1: Full-differential input (IN1+/IN1 − pin)
0: Single-ended input (RIN1/RIN2 pin: Default)
1: Full-differential input (IN2+/IN2 − pin)
0: Disable
1: Enable (default)
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
Default: “00”
Register Name
Digital Filter Select 1
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).
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).
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).
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).
When LPF bit is “1”, the settings of F2A13-0 and F2B13-0 bits are enabled. When LPF bit is “0”, LPF block
is through (0dB).
Default
R/W
GN1
R/W
D7
0
GN0
R/W
D6
0
- 61 -
R/W
LPF
D5
0
R/W
HPF
D4
0
R/W
EQ0
D3
0
FIL3
R/W
D2
0
D1
R
0
0
[AK4646]
HPFAD
2007/05
R/W
D0
1