AK4648 Datasheet, PDF (93/119 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

[AK4648]
Addr
11H
Register Name
Digital Filter Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
GN1
GN0
0
FIL1
EQ
FIL3
0
0
R/W
R/W
RD
R/W
R/W
R/W
RD
RD
0
0
0
0
0
0
0
0
GN1-0: : Gain Select at GAIN block (Table 25)
Default: “00” (0dB)
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
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).
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
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).
FIL1: FIL1 (Wind-noise Reduction Filter) Coefficient Setting Enable
0: Disable (default)
1: Enable
When FIL1 bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When FIL1 bit is “0”, FIL1 block
is through (0dB).
MS0625-E-01
- 93 -
2007/06