AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 76

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

MS0672-E-00
Addr
25H
FIL3B: FIL3B (Stereo Separation Emphasis Filter) Coefficient Setting Enable
EQB: EQB (Gain Compensation Filter) Coefficient Setting Enable
FIL1B: FIL1B (Wind-noise Reduction Filter) Coefficient Setting Enable
GN1B-0B: Gain Select at GAIN block in ADC2
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
Default: “00” (0dB)
0: Disable (default)
1: Enable
Register Name
Digital Filter Select 2
When FIL3B bit is “1”, the settings of F3A13B-0B and F3B13B-0B bits are enabled. When FIL3B bit is “0”,
FIL3B block is OFF (MUTE).
When EQB bit is “1”, the settings of EQA15B-0B, EQB13B-0B and EQC15B-0B bits are enabled. When
EQB bit is “0”, EQB block is through (0dB).
When FIL1B bit is “1”, the settings of F1A13B-0B and F1B13B-0B bits are enabled. When FIL1B bit is “0”,
FIL1B block is through (0dB).
Default
R/W
GN1B
R/W
D7
0
GN0B
R/W
D6
0
(Table
- 76 -
24)
RD
D5
0
0
FIL1B
R/W
D4
0
EQB
R/W
D3
0
FIL3B
R/W
D2
0
RD
D1
0
0
[AK4691]
2007/11
RD
D0
0
0