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AK4646EZ Datasheet, PDF (61/78 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/SPK-AMP | |||
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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+/IN1â pin)
MDIF2: ADC Rch Input Type Select
0: Single-ended input (RIN1/RIN2 pin: Default)
1: Full-differential input (IN2+/IN2â pin)
[AK4646EZ]
Addr
11H
Register Name
Digital Filter Select 1
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
GN1
GN0
LPF
HPF
EQ0
FIL3
0
HPFAD
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
0
0
0
0
0
0
0
1
HPFAD: HPF Control of ADC
0: Disable
1: Enable (default)
When HPFAD bit is â1â, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPFAD bit is â0â,
HPFAD block is through (0dB).
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When FIL3 bit is â1â, the settings of F3A13-0 and F3B13-0 bits are enabled. When FIL3 bit is â0â, FIL3 block
is OFF (MUTE).
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When EQ bit is â1â, the settings of EQA15-0, EQB13-0 and EQC15-0 bits are enabled. When EQ bit is â0â,
EQ block is through (0dB).
HPF: HPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When HPF bit is â1â, the settings of F1A13-0 and F1B13-0 bits are enabled. When HPF bit is â0â, HPF block
is through (0dB).
LPF: LPF Coefficient Setting Enable
0: Disable (default)
1: Enable
When LPF bit is â1â, the settings of F2A13-0 and F2B13-0 bits are enabled. When LPF bit is â0â, LPF block
is through (0dB).
GN1-0: Gain Select at GAIN block (Table 22)
Default: â00â
MS0630-E-00
- 61 -
2007/06
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