AK4691 Datasheet, PDF (74/80 Pages) Asahi Kasei Microsystems – 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP

[AK4691]
Addr
16H
Register Name
Digital Filter Select 1
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
GN1A GN0A
0
FIL1A EQA FIL3A
0
0
R/W
R/W
RD
R/W
R/W
R/W
RD
RD
0
0
0
0
0
0
0
0
FIL3A: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
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).
EQA: EQA (Gain Compensation Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
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).
FIL1A: FIL1A (Wind-noise Reduction Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
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).
GN1A-0A: Gain Select at GAIN block in ADC1 (Table 24)
Default: “00” (0dB)
MS0672-E-00
- 74 -
2007/11