AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 74

• Manufacturer Part Number: AK4691EG
• Description: 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS0672-E-00
Addr
16H
FIL3A: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
EQA: EQA (Gain Compensation Filter) Coefficient Setting Enable
FIL1A: FIL1A (Wind-noise Reduction Filter) Coefficient Setting Enable
GN1A-0A: Gain Select at GAIN block in ADC1
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
Default: “00” (0dB)
0: Disable (default)
1: Enable
Register Name
Digital Filter Select 1
When FIL3A bit is “1”, the settings of F3A13A-0A and F3B13A-0A bits are enabled. When FIL3A bit is “0”,
FIL3A block is OFF (MUTE).
When EQA bit is “1”, the settings of EQA15A-0A, EQB13A-0A and EQC15A-0A bits are enabled. When
EQA bit is “0”, EQA block is through (0dB).
When FIL1A bit is “1”, the settings of F1A13A-0A and F1B13A-0A bits are enabled. When FIL1A bit is “0”,
FIL1A block is through (0dB).
Default
R/W
GN1A
R/W
D7
0
GN0A
R/W
D6
0
(Table
- 74 -
24)
RD
D5
0
0
FIL1A
R/W
D4
0
EQA
R/W
D3
0
FIL3A
R/W
D2
0
RD
D1
0
0
[AK4691]
2007/11
RD
D0
0
0