AK4643 Datasheet, PDF (80/104 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/RCV/SPK-AMP

ASAHI KASEI
[AK4643]
Addr Register Name
11H Digital Filter Select
Default
D7
D6
D5
D4
D3
D2
D1
D0
GN1
GN0
0
FIL1
EQ
FIL3
0
0
0
0
0
0
0
0
0
0
GN1-0: Gain Select at GAIN block (See Table 26.)
Default: “00”
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).
MS0476-E-01
- 80 -
2006/10